Durco M3 ANSI ps-10-13-e1

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Durco

Mark 3

ANSI ChemicalProcess Pumps

Mark 3 Standard

Sealmatic

Lo-Flo

Recessed Impeller

Unitized Self-Primer

Bulletin PS-10-13 (E)

Pump Division

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Pump Division

Pump SupplierTo The World

Flowserve is the

driving force in the

global industrial

pump marketplace.

No other pump

company in the

world has the

depth or breadth

of expertise in

the successful

application of

pre-engineered,

engineered and

special purpose

pumps and

systems.

Pumping SolutionsFlowserve is providing pumpingsolutions which permit cus-tomers to continuously improveproductivity, profitability and

pumping system reliability.

Market FocusedCustomer SupportProduct and industry specialistsdevelop effective proposals andsolutions directed toward marketand customer preferences.They offer technical advice andassistance throughout eachstage of the product life cycle,beginning with the inquiry.

Dynamic TechnologiesFlowserve is without peer in thedevelopment and application ofpump technology, including: Hydraulic engineering

Mechanical design Materials science Intelligent pumping Manufacturing technology

Broad Product LinesFlowserve offers a wide rangeof complementary pump types,from pre-engineered processpumps, to highly engineeredand special purpose pumpsand systems. Pumps are builtto recognized global standardsand customer specifications.

Pump designs include: Single stage process Between bearing

single stage Between bearing

multistage Vertical Submersible motor Rotary Reciprocating Nuclear Specialty

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Pump Division

Table of Contents

Mark 3 Standard

Pump ............................4-5Performance Curves.......6

Features and

Enhancements

PartsInterchangeability ...........7PROS+............................7Power Ends ....................8Shaft andBearings Design..............9

SealSentry...............10-11Impellers .................12-13Shaft Options................14Pump Parts ...................15Alloy Materials..............15Baseplates...............16-19Options....................20-21Pump PowerMonitor.........................33

Mark 3 Lo-Flo

Pump ........................22-23

Mark 3 Sealmatic

Pump ........................24-25

Mark 3 Self-PrimingPump ........................26-27

Mark 3 Recessed

Impeller Pump .........28-29

Complementary Pumps

Mark 3 In-Line..............30Non-Metallic Pumps.....31Magnetic DrivePumps ..........................32CPX Family of ISOPumps ..........................34

Engineered Services .....35

3

The Premier Name in ANSIChemical Process PumpsThe Mark 3 family of ANSIchemical process pumps offersa wide range of configurations

including mechanically sealed,dynamically sealed, low-flow,self-priming and recessedimpeller pumps. The Mark 3family, therefore, providesflexibility and breadth ofpumping solutions in countlessapplications throughout theworldwide process industries.

Applications Acid transfer Brine Chemical processing Petrochemical processing

Corrosive services Food and beverage

processing Hydrocarbon processing Pharmaceuticals Polymers Pulp and paper Sea water Slurries Solvents Steel and primary metals Water and wastewater

treatment

Complementary Pumps CPX ISO chemical

process pump Mark 3 ANSI in-line chemical

process pump Guardian magnetic drive

chemical process pump PolyChem M-Series ANSI

and ISO fluoropolymer linedmagnetic drive pumps

PolyChem S-Series ANSI and

ISO fluoropolymer linedchemical process pumps GRP ANSI engineered

polymer composite chemicalprocess pump

FRBH heavy-duty paperstock and process pump

Mark 3 Family ofANSI ChemicalProcess Pumps

Mark 3 In-LineCPX

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Mark 3 StandardANSI ChemicalProcess Pump

4

External Micrometer ImpellerAdjustment accurately setsimpeller clearance in 20 seconds,in the shop or the field

Largest Shaft and BearingComponentsin standard ANSIpumps extends bearing lifeand reduces shaft deflectionand vibration

Pump Division

World Renowned forReliability and PerformanceThe Flowserve Durco Mark 3pump is recognized worldwideas the premier name in ANSI

chemical process pumps.Conforming to ANSI B73.1 andincorporating advanced designfeatures, the rugged Mark 3standard pump providesunmatched performance andreliability.

Operating Parameters Flows to 1680 m3/h (7400 gpm) Heads to 215 m (700 ft) Pressures to 27 bar (400 psi) Temperatures from -73C

(-100F) to 370C (700F)

Unique Reverse Vane Impelleristhe only impeller design that offersrepeatable pump performancethroughout the life of the pump.Open impellers available

SealSentry Seal Chambersfeature unique flow modifiersto extend seal life and provideadvanced self-flushing capability

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Truest Running ANSI PumpThe Mark 3 standard pump isengineered with four precisionmachined metal-to-metal fitlocations more than any

other manufacturer. Precision machined metal-to-

metal bearing carrier reducestolerance stack-ups toimprove shaft concentricity

Superior to jackscrew designswhich can cause cocking

Extends bearing andmechanical seal life

Reliability and PerformanceEnhancing Features Precision investment cast

reverse vane impeller offerslow, predictable seal chamberpressure and repeatablepump performance

External micrometer impelleradjustment reduces mainte-nance time and restorespump efficiency

SealSentry seal chambersextend mechanical seal lifeand improve pump reliability

Precision metal-to-metal fitsimprove concentricity andextend bearing and seal life

Choice of corrosion-resistantmaterials prolongs pump life

Pump Division

SealSentry family of sealchambers features uniqueflow modifiers (FM)

designed to extendmechanical seal life andincrease pump reliability. Improves mechanical

seal performance andreliability

Permits use of lessexpensive seal andflush plan technology

Improves pumpreliability

Vaalar Awardwinning design

Choice of Power Ends Standard Mark 3A

power end with doublelip oil seals and topvent/breather

ANSI 3A power end(shown on page 8)featuring Inpro VBXXbearing isolators anda lifetime warranty

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The 30 pumps in the Mark 3family are built with only threedifferent power frames.

SealSentry provides a choice

of five different seal chamberoptions to best meet yourspecific needs.

Pump Division

Mark 3Interchangeability

PROS+PROS+ proposal and ordersystem is the most comprehen-sive and user friendly pumpselection program in theindustry. This software ensurescorrect sizing and selection ofFlowserve pumps to best suit

your process application needs.Pros+ is available from yourlocal sales representative oron-line at www.flowserve.com.

Quality System Certificate

MARK III Standard Group II

POWEREND

REARCO

VERS

ADAPTER

S

REVERSEVANE

IMPELLE

RS

FRONTVANE

OPENST

YLE

IMPELLE

RS

CASINGS

3X2-8

4X3-8

2X1LF-10

2X1-10A

3X11/2-10A

3X2-10A

4X3-10

4X3-10H

6X4-10

6X4-10H

3X11/2LF-13

3X11/2-13

3X2-13

4X3-13

4X3-13HH

6X4-13A

OR

Mark 3 Standard Group 2

POWEREND

REARCOVERS

REVERSEVANE

IMPELLERS

FRONTVANE

OPENSTYLE

IMPELLERS

CASINGS

11/2X1LF-4

11/2X1-6

3X11/2-6

3X2-6

11/2X1LF-8

11/2X1-8

3X11/2-8

OR

POWEREND

REARCOVERS

ADAPTERS

REVERSEVANE

IMPELLERS

FRONTVANE

OPENSTYLE

IMPELLERS

CASINGS

8X6-14A

10X8-14

6X4-16

8X6-16A

10X8-16

10X8-16H

10X8-17

OR



Pumps delivered worldwideare manufactured in ISO 9001certified Flowserve facilities.

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Flowserve offers a choice ofpower ends: the standard Mark3A or the optional ANSI 3A(shown below).

Standard Mark 3A Power End Double row angular contact

outboard/single row, deepgroove inboard bearingsfor excellent axial and radialload support

External micrometer impelleradjustment

Double lip oil seals Top mounted vent and

oil filler Constant level oiler Large 25 mm (1 in) diameter

reflective sight glass Optional magnetic drain plug Optional oil slinger

Mark 3Power Ends

8

ANSI 3A Power EndThe ANSI 3A power end is soadvanced it carries a lifetimewarranty*. Certified clean room

assembly Inpro/Seals VBXX non-contact

Vapor Block Bearing Isolatorskeep lubricants in andcontaminants out

Top vent replaced with plug

Unique, ExternalMicrometer ImpellerAdjustmentenablesaccurate impeller clearancesetting in 20 seconds Superior to jackscrews Protected with O-rings

Metal-to-Metal

Construction assuresa true running and con-centric shaft, extendingbearing and mechanicalseal life

* Note: Adherence to properinstallation, operation andmaintenance proceduresis necessary for lifetimewarranty. Contact yourFlowserve representativefor detailed terms andconditions.

Lubrication options Oil mist systems Shielded and grease

lubricated bearings(three-year bearing

guarantee) Rigid foot design

Critical Shaft Surfacesground to 0.4 micron(16 in) finish to ensuresecondary sealing abilityof the mechanical seals

Ductile Iron FrameAdaptermeets ANSI B73.1

Pump Division

.010 in

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The Heart of the Pump:Shaft and Bearing DesignFlowserve offers the largestshaft and bearing componentsavailable in standard ANSI

pumps. The followingcomparison of a Mark 3Group 2 power end withthat of a major competitordemonstrates the benefitsof heavy-duty design.

Pump Division

Mark 3Heavy-Duty

Shaft andBearings

Unique ExternalMicrometer ImpellerAdjustment reducesmaintenance time and,most importantly,

is precisely accurate.

Simply loosen the setscrews.Using a wrench rotate the

bearing carrier counterclock-wise until the impeller lightlytouches the rear cover plate.

Select the impeller setting.Each notch on the carrier ringrepresents exactly 0.10 mm(0.004 in) of clearance. For animpeller setting of 0.5 mm(0.020 in) count five notchescounterclockwise.

Move the bearing carrierclockwise the selectednumber of notches. Tightenthe setscrews and check theimpeller clearance with thefeeler gauge.

Bearings (see Table 1)Greater load handling ratingmeans extended bearing life.

Extended bearing life comparisonis the ratio of the load ratings tothe third power or:

I.B. =6078 3

= 1.43 (+43%)5398

O.B. = 8709

3

= 1.61(+61%)7439

Shafts (see Table 2)

Solid shafts are recommendedover shaft sleeves because theyreduce the harmful effects ofdeflection and vibration. Whileshaft sleeves may simplify main-tenance, solid shafts reduce it.

Proper selection of wet-endmaterials of construction andmechanical seal design offsetpositive features of the shaftsleeve option.

Table 1Bearing Comparison

Prima3 bearings are designed tolast up to 61% longer.

Flowserve 189 mm 48 mm 38 mm(7.687 in) (1.875 in) 37 (1.5 in) 90

MajorCompetitor 213 mm 45 mm 38 mm

(8.375 in) (1.75 in) 63 (1.5 in) 116

Table 2Deflection Comparison

43-252% greater stiffness,indicated by lower index numbers,results in improved performanceand reliability.

Group II Overhang Solid Shaft Deflection Shaft Dia. DeflectionLength Diameter Index w/sleeve Index

The formula I = L3/D4 offers an

index of deflection to comparepump designs where:I = index of deflectionL = length of shaft overhang

from bearingD = rigid shaft diameter

Note: The Deflection Index pro-vides an approximate comparisonof shaft stiffness. A detailedanalysis should be made todetermine actual shaft deflection.

Flowserve 6310 6078 kg 5310 8709 kg(13 400 lb) (19 200 lb)

MajorCompetitor 6309 5398 kg 5309 7439 kg(11 900 lb) (16 400 lb)

Group II I.B. Dynamic O.B. DynamicBearing Load Rating Bearing Load Rating

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Advanced Mark 3 SealSentryDesign TechnologySealSentry chambers maximizeseal life, reduce pump operat-ing costs and improve pump

reliability. Extend seal life

Self-flushing Self-venting Self-draining

Reduce maintenance andrepair costs

Permit use of less expensiveseals and flush plans Flush plans 11, 32, 52, 53,

etc. can be eliminated Increase mechanical seal life Provide a safer environment

for personnel

Mark 3SealSentryChambers

10

Flow Modifiers (FM) ExtendMechanical Seal MTBPM Flow modifiers redirect flow

from circumferential to axial Balanced flow with low

pressure drop in the chamberhelps keep solids in suspen-sion, minimizing erosion

The mechanical seal creates acentrifuging action away fromits parts

Solids and slurry merge

into the returning flow pathand are flushed out of theseal chamber

Available Jacketed SealChambers are designedfor effective heat transferin the seal chamberarea or across theentire surface areaof the process fluid. Use the jacketed

cylindrical borewhen seal chambercooling is the objective

Use the jacketed FMseal chamber when

protection of theprocess temperatureis important

Pump Division

FMCB

Jacketed Seal Chambers

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The SealSentry family of sealchambers offers three FM (flowmodifier) and two cylindricalbore (CB) options.

FMLDesigned with a large glandbolt and gasket circles, theFML is preferred for mostapplications. Single internal cartridge seals Dual internal/external

cartridge seals Single internal component

seals with flexibly mountedseats

Dual internal true tandemdesign cartridge seals

FMSSimilar to the FML, the FMSaccommodates seals with smallgland bolt and gasket circles. Single seals with all seat

mounting configurationscan be installed

FMIThe FMI incorporatesa cast-in integral gland. Single internal,

flexibly mounted seals Sanitary-type

applications Utilizes sleeve for

seal setting and fastinstallation

Pump Division

Mark 3SealSentryChambers

CBLDesigned with an oversizedcylindrical step bore, the CBLis ideal for seals with largegland bolt and gasket circles. Dual internal component

seals isolate the seal chamberfrom the process withexternal source flush

Single seal with throttlebushing and flush to boostpressure over flash point

CBSThe CBS cylindrical boreseal chamber is designed forpacking arrangements andconventional seals with smallgland bolt and gasket circles.

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Mark 3Impellers

12

Pump Division

Radial Vane Impelleris available for low-flow,high-head applications.See pages 22 and 23.

Exclusive Reverse VaneImpeller with balanceholes offers importantperformance enhancing,maintenance-reducingadvantages.

Front Vane Open StyleImpeller is fully inter-changeable with thereverse vane impeller.Excellent choice forfibrous, stringy materialsand certain applicationsrequiring high shearagainst the casing.

In-shop ImpellerAdjustment is practicalas well as productive.

Low Predictable Seal Chamberpressure means longer seal life

Rear Coverwear surfaceversus casing means lowerreplacement parts costs

Clearanceis set to the rear coverin the shop not to the casingwhich is left in the piping

Lowest Overallrequired NPSH of anystandard pump

Flowserve Durco reverse vaneimpellers deliver unequalledefficiency and performance.This exclusive impeller designextends bearing and seal life.

Low, Predictable SealChamber Pressure and ThrustLoads resulting from backvane pumping action andbalance holes

Lowest Required NPSH of anystandard pump

Rear Cover Plate WearSurface as the flow pathexits the rear of the impeller.Abrasive wear is on the rearcover rather than the moreexpensive casing

Recessed Impellerpumps offer excellentsolids-handlingcapabilities.See page 28.

In-shop Impeller Adjustmentwith the only impeller designthat takes full advantage ofthe back pull-out feature.Since the critical running

clearance is set between therear of the impeller and therear cover plate, both impellerand mechanical seal settingscan be done in the shop, onthe bench, instead of underadverse field conditions

Repeatable PerformanceAssurance with the onlyimpeller design that offersrepeatableseal chamberpressures and bearingthrust loads

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Pump Division

Performance Life Cycle:Durco Reverse Vane Impellerwith Balance Holes

Effects of Wear

Thrust loads decrease asseal chamber gap widens Chamber pressure increases

as gap widens

Effects of Impeller Adjustmentto Seal Chamber Original pressures and

loads re-established afteradjustment

Repeatable cycle life

Performance Life Cycle:Front Vane Open StyleImpeller with Pump Out Vanes

Effects of Wear

Thrust loads increase as sealchamber gap widens Chamber pressure increases

as gap widens

Effects of Impeller Adjustmentto Casing Chamber pressures and

bearing loads increase aftereach adjustment

Non-repeatable cycle life

Reverse Vane Impellerhas only one set ofpumping vanes and onecritical tolerance location between the impeller

and rear cover to establish: Performance Efficiencies Seal chamber pressures Thrust/axial loads

Since an impeller can onlybe set in one direction,the reverse vane impellerhas inherent advantages.

Only Flowserve Durco

reverse vane impellersoffer repeatable perform-ance after wear andimpeller adjustment.

Front Vane Open StyleImpeller has two setsof pumping vanes and twocritical tolerance locations: The front vane of the

impeller clearance to thecasing establishes: performance efficiencies

The impeller pump outvanes clearance to therear cover establishes: seal chamber

pressures andseal life

thrust loads andbearing life

An impeller cannot beadjusted to two locations.

Seal and bearing life arereduced due to increasedloads after wear andmaintenance adjustment.

ReverseVaneImpellerAdjustment

FrontVaneImpellerAdjustment

Only One

Tolerance:Impeller VaneTo Cover

Pump-OutVanes

PumpPerformanceVanes

Consistent, Like-New RepeatablePerformance

Thrust Original Axial Thrust

Seal Chamber PressureOriginal Chamber Pressure

Cycles Repart

Effects of Wear & Impeller Readjustment

Diminished Performance

Thrust

Original Axial Thrust

Seal Chamber Pressure

Original Chamber Pressure

Cycles Repart

Effects of Wear & Impeller ReadjustmentSealChamberPressure/AxialThrust

SealChamberPressure/AxialThrust

Reverse Vane Impeller Front Vane Open Style Impeller

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Mark 3Shafts and

Sleeves

14

Shaft Material Choicesinvestment cast or highalloy bar stock availablein a wide range ofmaterials.

Flowserve recommendsthe use of solid shaftsrather than shaft sleevesto reduce the harmfuleffects of deflectionand vibration. Shaftsleeves may simplifymaintenance but solidshafts reduce it.

Pump Division

Shaft Choices

Friction-Welded:a steelpower end friction-weldedto a solid alloy wet end

Composite: a steel shaftend-to-end with an integral(i.e., not replaceable) sleeveof DC8, SD77 high siliconiron, ceramic (alumina

or zirconia)

Solid: steel end-to-end orstainless alloy end-to-end

Hook Sleeve:a steel shaftend-to-end or a steel powerend friction-welded to astainless wet end accom-modating a hook sleeve

Mark 3 shafts and sleevesare designed to improvepump reliability.

Accurate machining under bear-ings ensures perfect bearing fitswithout vibration or hot running.

Run-out of

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Specify genuine Mark 3 parts foryour pump maintenance needs.

In addition to sure-betmaintenance savings only

Flowserve offers: Parts that are guaranteed tofitto last and to perform

Lifetime casting guarantee Quality assured safety for

operating and maintenancepersonnel

Off-the-shelf availability froma computer-linked network

Machining and modificationservice for special orders

24-hour emergency service

Application and materialsexpertise

Complete analysis of yourmaintenance needs withrecommended parts inventory

Flowserve foundries are widelyregarded as among the best inthe world pouring alloys fromductile iron to stainless steels tolight reactive alloys such astitanium. All wet-end Mark 3castings carry a limited lifetimeguarantee.

Attesting to the world-classquality of its castings, Flowservewas the first high alloy foundryin the United States of Americato have earned approval byGermanys Technischerberwachungs Verein (TUV).

Pump Division

ACI Equivalent Wrought ASTMDesignation Symbol Designation Designation Specifications*

Ductile Iron DCI None None A395Carbon Steel DS None Carbon Steel A216 Gr. WCBCF-8M D4 CF8M 316 A744, Gr. CF-8MDurcomet 100 CD4M CD4MCuN Ferralium 255 A995, Gr. 1BDurimet 20 D20 CN7M Alloy 20 A744, Gr. CN-7MDurcomet 5 DV None None NoneCY-40 DINC CY40 Inconel 600 A494, Gr. CY-40M-35 DM M351 Monel 400 A494, Gr. M-35-1Nickel DNI CZ100 Nickel 200 A494, Gr. CZ-100Chlorimet 2 DC2 N7M Hastelloy B-2 A494, Gr. N-7M

Chlorimet 3 DC3 CW6M Hastelloy C-276 A494, Gr. CW-6MDuriron D None None A518, Gr. 1Durichlor 51 D51 None None A518, Gr. 2Superchlor SD77 None None NoneDC-8 DC8 None None NoneTitanium Ti None Titanium B367, Gr. C-3Titanium-Pd Ti-Pd None Titanium-Pd B367, Gr. C-8AZirconium Zr None Zirconium B752, Gr. 702C*Alloys conform to the chemical and mechanical requirements of the latest edition of the ASTM specification.

Duriron, Durichlor 51 and Superchlor are registered trademarks of Flowserve Corporation. Ferralium is a registered trademark of Langley Alloys. Hastelloy is a registered trademark of Haynes International, Inc. Inconel and Monel are registered trademarks of International Nickel Co. Inc.

Flowserve Durco Alloy Materials

Mark 3Pump Parts andAlloy Materials

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Extend Pump and Seal Lifeat Reduced CostFlowserve offers five pre-engineered baseplate designsto improve pump performance

and reduce costs (see page 17).Flowserve pre-engineeredbaseplates extend pump andseal life by reducing internalpump stress and vibrations.That is why Flowserverecommends reinforcedrigid baseplates.

Mark 3Pre-Engineered

BaseplateDesigns

16

Plus, customers who knowthe value of pre-engineeredand reinforced baseplateshelp avoid potential confusionin specification interpretation,

delays in shipments andadded costs.

Flowserve offers a broadrange of metal and non-metallic, grout and stiltmounted designs andstandard options. This

provides broad flexibilityin choosing the baseplatethat best meets applicationneeds and operatingbudget.

Pump Division

1 Machined coplanar mounting surfaces to O O O O O O Y

0.17 mm/m (0.002 in/ft) with 3.2 micron (125 in) finish2 Added structural (cross member) support N N Y Y Y Y Y

3 Added torsional support with end caps NR Y Y D O O Y

4 Tapped holes for four (4) motor adjuster bolts O O O Y O O Y

5 Four (4) - SS transverse jack bolts - motor adjusters O O O Y O O Y

6 Sloped surface to an integral drain N N C N N N Y

7 Integral sloped drip rim around base N N N N N Y Y

8 102 mm (4 in) diameter grout holes -max. 762 mm (30 in) run to vent Y Y Y N Y Y Y

9 13 mm (1/2 in) vent holes at corner of each chamber NR O NR NA Y Y Y

10 Lower surface shaped to anchor in grout N N N NA Y Y Y

11 Integral lifting eyes at four (4) corners O Y O O Y Y Y

12 Tapped leveling holes four (4) corners O O N S Y Y Y

13 Continuous seam weld construction NA Y NA O Y Y Y14 Welded raised lip around grout hole(s) NR NR NR NA NR NR O

15 Stilt mounting options with floor cups NR NR O Y D D D

16 Spring mounted load designs NA NA O O D D D

17 Catch basin (304SS or other materials) O O O O O NR Y

18 Option for eight (8) total motor adjusters D D O D D D Y

19 Dimensions to ANSI B73.1 Y Y Y Y Y Y Y

Y = Standard N = Not available NR = Not recommended D = Needs design timeO = Optional NA = Not applicable C = Sloped catch basin with 25 mm (1 in) drain (option) S = Stilts for leveling

See page 17 for model descriptions

Item Standard Options Type A Type B Type C Type D Type D Type ENo. Gp 1 & 2 Gp 3 with Rim

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Flowserve offers a family of fivetypes of pre-engineered baseplatedesigns to extend pump life andreduce costs.

Pump Division

Reducing Internal Stressand Vibration Extendsthe Life of Pumpand Motor PackagesPump users specify rigid

baseplate designs to: Provide torsional lateral

and longitudinal rigidity Improve vibration

dampening Protect against transit

damage Resist twisting during

installation Maintain shaft alignment Reduce installation and

shaft alignment time Reduce diaphragming

or separation from grout Improve pump, motor

and seal reliability Reduce total life cycle

pump, motor andseal costs

Rigid Design Begins WithThick Plate ConstructionMetal baseplate sizes: 139 to 258 feature

13 mm (1/2 in) steel

plate construction 264 to 280 feature16 mm (5/8 in) steelplate construction

368 to 398 feature19 mm (3/4 in) steelplate construction

Polybase baseplates areconstructed of 76 mm(3 in) to 102 mm (4 in)solid polymer concrete.Baseplate types B, C, D

and E are reinforced withadded structural supportfor improved rigidity.

Mark 3Baseplates

Type AStandard ANSI baseplate;foundation or limited stressstilt mounted.

Type BPolybase baseplate;foundation or stilt mounted.

Type CReinforced baseplate;stilt mounted.

Type DReinforced baseplate; foundationmounted; with optionaldrip rim.

Type EHeavy-duty, foundation mountedbaseplate; complies with PIPRESP 002.

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PolybaseSolidPolymer Concrete

Baseplate

18

Pump Division

Polybase and Polybloc

Solid Polymer ConcreteAdjustment System

Polybloc MotorMounting Block Flatter and more

repeatable height toler-ances than steel

Corrosion resistant Superior vibration

dampening Full foot support

(no overhang) Shown with optional

bloc-lock and fastenersupport

Available for otherpump and motor oralternate equipmentapplications

8-Point Adjuster Allows precise motor

adjustment to reducealignment time

Used with recessedbloc-lock device

Baseplates are Fundamentalto Extending Pump Life

The test stand provided threecorner support of the ungroutedbaseplates. The addition ofweights on the unsupportedfourth corner caused baseplatedistortion. This distortionresulted in measurable shaftmovement that can causeproblems with field instal-lations and negatively affectpump reliability and life.

The twist test is a means

of comparing rigid baseplatedesigns. Correctly installedrigid baseplates should notexperience these twist effects.For more information aboutthe results of baseplate testingcontact your local Flowservesales representative.

Type B Polybase baseplate

Polybase Low installed cost Superior vibration dampening Corrosion resistant Superior resistance to twisting

or diaphragming Optional catch basin and

grout holes

Inserts available for alternateequipment configurationrequirements

Cast Iron0.125 sec.

Polymer Concrete0.125 sec.

John F. Kane, Composites Institute,The Society of the Plastics Industry, Inc.

Baseplate Rigidity Test Twist Mode

0.070 (1.78)

0.060 (1.52)

0.050 (1.27)

0.040 (1.02)

0.030 (0.08)

0.020 (0.51)

0.010 (0.25)

0.000 (0.00)

A

D

E

B

C

0 100 200(45) (91)

Load - lb (kg)

Deflection

inch(mm)

Type A 0.022 in (0.56 mm)

Type B 0.004 in (0.01 mm)

Type C 0.003 in (0.08 mm)

Type D 0.016 in (0.41 mm)

Type E 0.005 in (0.13 mm)

Maximum Parallel ShaftDeflection at Applied Force

Vibration Damping of PolymerConcrete Versus Cast Iron

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The Polyshield Baseplateand Foundation System isthe superior solution for cost-effective, high-performancepump installation. In one

complete unit, it combines atraditional baseplate with aformed concrete foundationfor pump-drive sets.

Benefits of Selecting thePolyshield Baseplate andFoundation System Time savings

Quick installation time

Reduces time spanfrom receipt at jobsiteto commissioning

Cost savings Reduces total installed cost Dramatically minimizes

field rework necessaryto meet specifications

Better performanceand reliability Extended pump life Reduced vibration Improved corrosion

resistance Single structure convenience

One-piece construction Flat mounting surfaces One-piece motor

mounting block

The Polyshield baseplateand foundation systemcan be combined withnumerous pumpdesigns, including:

ISO and ANSI metallicand non-metallic

Foot- and frame-mounted generalindustrial

Foot-mountedbetween bearings

API 610

Please see BulletinPS-90-2 for morecomplete productinformation.

Product literatureavailable atwww.flowserve.com.

Pump Division

FlowservePolyshield

PolymerBaseplate and

FoundationSystem

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The Mark 3 offers uniquedesign technologies andcomponent options withsuperior pump application,installation, process and

selection knowledge. Theseextend pump performanceand increase realiability.Certain applications needtechnical advancementin pump design and perform-ance-enhancing options forcontinued reliability.

Centerline Mounted Casingsmay be used to reduce loadscaused by thermal expansion.Jacketed feet with inlet andoutlet ports further ensureeffective temperature control.

Options to SolveApplication

Problems

20

Ultralign Heavy-Duty, RigidDesign C-Flange Adapter Cantilevered motor shaft

stays aligned with pump shafteven with undesirable move-ment caused by piping andtemperature induced stress

Eliminates foot mounting ofmotor and pump power endto the base, reducing softfoot, twisting anddiaphragming problems

0.18 mm (0.007 in) nominalparallel shaft alignment 0.05mm (0.002 in) with C-Plusprecision alignment option

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ClearGuard and DurcoShieldNon-metallic Safety GuardsClearGuard and DurcoShieldpump guards permit visualinspection of coupling and seal

areas, respectively, whileprotecting personnel frompotential safety hazards ofrotating parts. Constructed oftough, durable, and transparentpolycarbonate with UV lightinhibitors, they are designedto withstand tough chemicalprocessing environments.

ClearGuard Non-metallicCoupling Guard meetsmachinery guard safetyguideline. Nothing larger than6 mm (0.24 in) in diametercan enter the shell. Furthermore,the ability to inspect thecoupling through ClearGuardcan provide early warning ofdeteriorating or malfunctioningcomponents.

DurcoShield* Splash and ShaftGuard is a one-piece shield thatenvelops the open areas betweenthe bearing housing and casing.Suitable for applications to

150C (300F), DurcoShieldprotects users from: Process fluid spray Rotating shaft and seal

components

Note: DurcoShield is not acontainment system or a sealbackup system. It is a limitedprotection device. It willreduce, but not eliminate,the probability of injury.

*Protected by US patentnumber 5,807,086

Pump Division

ClearGuard andDurcoShieldPump SafetyAccessories

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The Flowserve Mark 3 Lo-Flopump is designed to improvepump reliability and performancein low-flow, high-head applications.The first pump manufacturer to

introduce an ANSI standard low-flow, high-head pump, Flowservedeveloped its innovative radialvane impeller and circular,concentric casing to reduceradial loads and shaft vibrationwhile extending bearing andmechanical seal life.

Mark 3Lo-Flo Pump

22

The Flowserve Mark 3 Lo-Flopump conforms to ANSI B73.1and is completely interchangeablewith the industry-leadingMark 3A power end.

Operating Parameters Flows to 50 m3/h

(220 gpm) Heads to 300 m

(985 ft)

Pressures to 31 bar(450 psi)

Temperatures from-75C (-100F) to370C (700F)

Pump Division

Radial Vane Impellerprovidesimproved performance over abroader application range

Circular Concentric Casingreduces radial loads and vibrationand extends bearing and seal life

SealSentry Seal Chambersextend seal life and provideadvanced self-flushing ability

External MicrometerImpeller Adjustmentaccurately sets impellerclearance in 20 seconds,in the shop or the field

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Innovative Radial VaneImpeller has a unique twist toprovide superior performance inlow-flow, high-head conditions.

Circular Concentric Casing ismore hydraulically efficient atlower flow rates. An internalbypass drilled in the dischargewithout breaching the casingwall or creating a potentialleak path. This helps tobalance pressures. Improved Performance

and ReliabilityThe innovative radial vaneimpeller and circular, concentriccasing of the Flowserve DurcoLo-Flo pump improve pump

performance and reliability whencompared to standard pumps.Furthermore, maintenance isreduced. Reduced radial loads up to

90% at low-flow conditions Minimized thrust loads Reduced NPSH requirements Reduced shaft vibration Extended bearing life Extended mechanical seal life Broadened application range

Four Sizes 1K1.5x1LF-4 1K1.5x1LF-8 2K2x1LF-10 2K3x1.5LF-13

Offered in a wide rangeof metallurgy to meetapplication needs.

Choice of Power Ends Standard Mark 3A

power end with doublelip oil seals and topvent/breather

ANSI 3A power end(see page 8) featuringInpro VBXX bearingisolators and up to alifetime warranty

Pump Division

Expanding Volute Casing

Circular Concentric Casing

100%

75%

50%

25%

0%0 100 200

0 25 50Lo-Flo

StandardFlow

Percentofmaximumv

ibration

ofthestandardpu

mp

gpm

m3/h

SHAFT VIBRATION

Reduced VibrationShaft vibration is a criticalfactor in both bearingand mechanical seal life.Reducing shaft vibrationresults in significantlyimproved pump perform-ance and reliability.

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Dynamic SealingWith the Flowserve Mark 3Sealmatic pump, no mechanicalseal is needed during operation.A dynamically sealing repeller

(expeller) expels fluid from theseal chamber, making it ideal forhard to seal applications.Furthermore, the need for externalflushing and process contamina-tion control are eliminated.

The Sealmatic pump conformsto ANSI B73.1.

Mark 3Sealmatic

Pump

24

Applications Tough services where sealing

is difficult Services where a flush

is undesirable

(e.g., evaporator feed) Continuous, around-the-clock

applications Batch operations where a run

dry condition might exist



(750 ft)


Temperatures from-75C (-100F) to370C (700F)

Pump Division


Standard Reverse Vane Impelleroffers repeatable pump performancethroughout the life of the pump

Spinning Expellercreates centrifugal forceto expel fluid from theseal chamber

External Micrometer ImpellerAdjustmentaccurately sets impellerclearance in 20 seconds, in theshop or the field

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Choice of Static Sealing OptionsFlowserve provides a choiceof static sealing options to keepthe pump from leaking while thepump is stopped.They include: Flexible graphite packing Dry-running end-face seal Stationary fluoropolymer

disk seal

Benefits of Sealmatic DynamicSealing Technology Eliminates the need for

conventional mechanical seals Eliminates need for external

flush and associated productdilution

Eliminates need forcontamination control

Your choiceof three (3)sealingarrangements

Repeller chamber

Liquid/airinterface

Repeller

RunningStopped

25

Dynamically Sealing Expellerevacuates liquid from the sealchamber using centrifugalforce. This design is ideal fortough sealing applications.

Seventeen Sizes Eleven Group 22K2x1M-10A2K3x1.5M-10A2K3x2M-10A2K4x3M-102K4x3M-10H2K6x4M-102K6x4M-10H2K3x1.5M-132K3x2M-132K4x3M-132K6x4M-13A

Six Group 33K8x6M-14A3K10x8M-143K6x4M-163K8x6M-16A3K10x8M-163K10x8M-16H


Additional Configurations

The Sealmatic designalso is available witha recessed impellerconfiguration.

Pump Division

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Unitized Casinghas largepriming chamber, airseparator and volute inone integral component.Eliminates the need for aseparate priming tank

High and DryThe Flowserve Mark 3 UnitizedSelf-Priming pump is engineeredto draw from liquid sourcesbelow ground level or from

sources which have no positivepressure to naturally prime thepump. Conveniently located highand dry at ground level whereinstallation is simple andmaintenance is easily and moreeconomically performed, theMark 3 Self-Priming pump costsless to buy, install and maintainthan submersible pumps.

Mark 3Unitized

Self-PrimingPump

26

The Mark 3 Self-Priming pumpscompact design enables it to fitin tight clearance locations.It also can be mounted on atrailer for movement to various

pumping locations, such aswastewater lagoon service.

Applications Sump service Tank car unloading Duplex pumping lift station Fly ash pond transfer Waste acid transfer Waste treatment

lagoon service



(400 ft)


Temperatures to 370C(700F)

Static suction lift to6 m (20 ft)

Pump Division

Standard Reverse VaneImpelleroffers repeatable pumpperformance throughout thelife of the pump


External Micrometer ImpellerAdjustmentaccurately setsimpeller clearance in 20 seconds,in the shop or the field

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The Priming CycleThe Mark 3 Unitized Self-Priming pump uses liquidrecirculation to prime the pump.The pressure differentialbetween the aerated liquid

at the impeller and the non-aerated liquid in the primingchamber creates a vacuum thatpulls liquid up the pipe. As aresult, the Mark 3 UnitizedSelf-Priming pump is idealfor suction lift applications orpumping liquids with entrainedair or gases.

Benefits of the Mark 3Unitized Self-Priming Pump Eliminates internal valves Eliminates external priming

devices or foot-valves Portable Compact Ease of installation Ease of maintenance

Choice of Power Ends Standard Mark 3A power end

with double lip oil seals andtop vent/breather

ANSI 3A power end

(see page 8) featuring InproVBXX bearing isolators anda lifetime warranty

Eight Sizes Two Group 1

1J1.5x1US-61K1.5x1.5US-82

Six Group 2

2K2x1.5US-10A2K3x2US-102K4x3US-10H2K3x2US-132K4x3US-132K6x4US-13A


Pump Division

Air BleedLine

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Vortex ActionThe Flowserve Mark 3Recessed Impeller pumpcombines the best designfeatures of the Mark 3 ANSI

Standard pump with the vortexaction of a recessed impeller.These specific purpose featuresalong with thick wall wet-endcomponents offer extendedservice life when handlingsolid, stringy or fibrous slurries.

Mark 3Recessed

Impeller Pump

28

Applications Light slurries Corrosive or erosive services Large diameter solids Waste streams

Fluids with which shearingmust be avoided

Protection of solids integrity



(400 ft)


Temperatures from-75C (-100F)to 370C (700F)

Pump Division

Vortex Actionminimizes abrasivewear while maintaining solidsintegrity because only a fractionof the media contacts the impeller

Duplex Stainless Steel Constructionstandard. Available in all standardMark 3 alloys

Precision Cast Impellerprovidedin CD4MCuN duplex stainlesssteel standard. All standard alloymaterials available


Cylindrical Volute CasingWith Tangential Dischargeminimizes turbulence,improving pump perform-ance and decreasingabrasion

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Precision Cast Open ImpellerThe Mark 3 Recessed Impellerpump comes standard with anopen impeller that ensurespeak energy efficiency andlow NPSHR. The impellerincorporates pump-out vanesthat ensure low, positive sealchamber pressure and expelsolids from critical seal areas.Mechanical seal or packing lifeis maximized.

Cylindrical Volute Casingminimizes radial loads on theimpeller. The result is longerseal life as well as maximizedradial bearing life.

Vortex Pumping ActionThe vortex created by the spin-ning impeller does the pumpingwith less than 20% of mediacontacting the impeller.Abrasive wear is minimized andsolids integrity maintained.

Choice of Power Ends

Standard Mark 3A power endwith double lip oil seals andtop vent/breather

ANSI 3A power end (seepage 8) featuring Inpro VBXXbearing isolators and up to alifetime warranty

Pump Division

Benefits of the Mark 3Recessed Impeller Pump Improved solids handling Improved air and gas

handling

Improved ability to passfibrous or stringy substances

Reduced wear Low NPSHR

Five Sizes One Group 1

1J2x2R-61K1.5x1.5US-82

Four Group 2

2K2x2R-102K3x3R-102K4x3R-132K6x4R-13


AdditionalConfigurationsThe Mark 3 RecessedImpeller pump can be

specified with theSealmatic dynamicallysealing expeller andas self-priming withpriming tank option.

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Without EqualDesigned to exceed ANSI B73.2criteria, the Mark 3 In-Lineprocess pump offers improvedpump reliability and extendedpump life. The space-savingMark 3 In-Line has broadapplication in chemical andhydrocarbon processing as

Mark 3In-Line

ChemicalProcess Pump

30

well as in general industry forservices, including: Chemical transfer Heat transfer Liquid gases

Storage Water Washdown and cleaning Condensate return Light slurries



(760 ft)



Motor sizes to 110 kW(150 hp)

Pump Division

Please see BulletinPS-10-15 for morecomplete product

information.

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PolyChem S-SeriesFluoropolymer Lined ChemicalProcess PumpThe non-metallic PolyChemS-Series chemical process

pump conforms to ANSI B73.1,ISO 2858 and JIS drillingstandards to meet globaldemands. Its PFA-lined wet endoffers outstanding corrosionand temperature resistance.


(1860 gpm) Heads to 145 m (480 ft) Pressures to 17 bar (250 psi) Temperatures from -30C

(-20F) to 150C (300F)

Please see Bulletin PS-10-17for more complete productinformation.


(11 000 gpm) Heads to 150 m (500 ft) Pressures to 17 bar (250 psi) Temperatures to 120C

(250F)

GRP EngineeredPolymer CompositeChemical Process PumpThe GRP glassreinforced vinyl esterchemical process pumpconforms to ANSI B73.5.With corrosion resistancesuperior to moreexpensive, high alloymetals and costs closerto that of ductile iron,the GRP pump hasproven to be the low-cost,long-term solution incorrosive applications.

Please see BulletinPS-10-17 for morecomplete product

information.

Pump Division

FlowservePolyChem

and GRPNon-metallic

Pumps

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CPXS ISO Magnetic Drive PumpThe CPXS magnetic driveprocess pump conforms to ISO2858 dimensional and ISO5199 design criteria. It is CE

marked and compliant withapplicable European directives,such as ATEX.


(1850 gpm) Heads to 160 m (525 ft) Pressures to 25 bar (365 psi) Temperatures from -40C

(-40F) to 370C (700F)

Guardian G & H Series

Magnetic Drive PumpsThe Guardian magnetic drivepumps meet ANSI B73.1dimensional standards and areavailable in 18 sizes. Offered ina wide range of corrosion-resistant materials, theGuardian magnetic drive pumpis ideal for high temperature,leak-free applications.

PolyChem M-SeriesPFA-Lined MagneticDrive PumpThe PolyChem M-Seriesfluoropolymer lined,magnetic drive pumpmeets ANSI B73.1, ISO2858 and JIS drillingstandards.



(480 ft) Pressures to 17 bar

(250 psi) Temperatures to 150C

(300F)

Operating Parameters

Flows to 375 m3/h(1650 gpm)

Heads to 215 m(700 ft)



Please see BulletinP-20-500 for morecomplete productinformation.

FlowserveCPXS, PolyChem

and GuardianMagnetic Drive

Pumps

32

Pump Division

Please see BulletinPS-10-30 for morecomplete productinformation.


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The KW941 Pump PowerMonitor monitors and displaysactual power to the pump,offering simultaneous protectionfrom underload and overload

operating conditions.

Pump Division

Durco KW941Pump Power

Monitor

Broad Application Range Works on all pumps

having steady(non-pulsating) loads:centrifugal; gear;

turbine; ANSI; API; ISO;paper stock; sealed;mag drive; cannedmotor; self-priming

One model for upto 600 hp (450 kW).Premium features forreliable protection

Push buttons displayhorsepower orkilowatts; automaticconversion whenswitching displays

Adjustable low powerand high power setpoints protect pumpfrom underload andoverload operation.Alarms can be trippedor pumps shut downbefore damage occurs

Adjustable trip delaytimers filter outnuisance trips causedby temporary power

fluctuations Adjustable start-updelay timer is particularlyuseful in self-primingapplications

4 to 20 milliampanalog output facilitatesremote displays,operator interface andoutput to PLC or DCS

Two form C relayoutputs for low andhigh power trips.

Outputs can be usedto shut down pumpor trip alarms

Automatic, manual andremote reset options forversatile operation

The KW941 helps to eliminatecostly downtime and expensivepump repairs caused by: Dry running Pump overloads

Cavitation Blocked lines Closed suction or

discharge valves Excessive wear or rubbing

The KW941 Power Monitoris easy to install on new orexisting pump installations.All connections andcontrols are located atmotor starter electricalenclosure as shown. Costlyinstrumentation wiring tothe pump is eliminated

POWE

R

AMPERE

S

0% MOTOR LOAD 100%

Typical Low Flow/No Flow PumpProtection Zone

POWER/CURRENT

By Sensing Powerand not justamperes, linear measurementsare provided with the sensitivityto detect improper operationwhile eliminating unwantednuisance trips

Easy Setup and Calibration Settings controlled from front

panel push buttons; no internaladjustments, dip switches orpotentiometers

Large digital display for easyviewing and accurate settings

One step calibration can beperformed without operatingpump. No need to run pumpat off-operating conditionsto calibrate power monitor

Settings can be viewedor adjusted during normalpump operation

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FlowserveCPX and FRBHProcess Pumps

34

Pump Division

CPX Family of ISOChemical Process PumpsThe CPX family of ISO chemicalprocess pumps offers a widerange of configurations

including mechanically sealed,magnetic drive, self-priming,close-coupled and vertical pumps.Parts interchangeability amongthe configurations is a keybenefit of the CPX family,translating into inventory andmaintenance costs savings.


(1630 gpm) Heads to 230 m (760 ft) Pressures to 24 bar (350 psi) Temperatures to 370C

(700F) Motor sizes to 110 kW

(150 hp)

FRBH Heavy-Duty

Paper Stock andProcess PumpThe FRBH is one of theworlds most efficientand reliable pumps one that will performeffectively not only atthe best efficiency pointbut across a broadoperating range. Thehigh efficiency andrugged construction ofthe FRBH translate into

reduced operating costs.


(30 000 gpm) Heads to 100 m

(325 ft) Pressures to 14 bar

(200 psi) Temperatures to 150C

(300F)



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Pump Division

GlobalEngineered Services

and Support

Total Cost Reduction

Asset Management

Product Life Cycle

Performance Re-rates

Site Diagnostics

Repair Services

Energy Management

Spare Parts

Maintenance Contracts

Materials Upgrades

Turnkey Services

Field Repairs

Installation

Project Supervision

Commissioning

Equipment Upgrades

Condition Monitoring

Systems Analysis

Field Machining

Service DedicationFlowserve Engineered Services isfocused on providing customerswith uncompromising service andsupport, where and when needed.

Dedicated to delivering the high-est quality support, EngineeredServices integrates its extensivepump and materials engineeringknowledge with creative servicesolutions. Engineered Servicesfully understands the businesschallenges facing customers andis prepared to manage solutionsto succeed as a team.

A worldwide network of serviceand repair centers staffed byhighly skilled engineers andtechnicians is available aroundthe clock, seven days a week torespond to customer queries,to evaluate and troubleshootproblems and to providereliable solutions.

Strength of Experience,Commitment to ExcellenceFlowserve has long servedindustries requiring superiorequipment performance and

service life. Oil and gas production Hydrocarbon processing Chemical processing Water resources Power generation Nuclear Mining and mineral processing Pulp and paper General industry

Engineered Services is dedicatedto maximizing equipmentperformance and providingreliability-centered maintenanceprograms for pumps and relatedequipment, regardless of manu-facturer. Using the FlowStarasset management software,Engineered Services tracksperformance and supportsimprovement programs using aservice life cycle cost businessapproach. The results areimproved reliability and

increased profitability.

Business PartnerFlowserve partners withcustomers to respond tothe dynamic businessconditions that affectthem. Flowserve will workwith customers to driveefficiency, maximizethroughput and controlprocess quality. Whetheruser needs involve on-site technical assistanceor broader projectplanning with full turnkeyresponsibility, FlowserveEngineered Services willdeliver professional,reliable results.

35

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To find your local Flowserve representativeplease use the Sales Support Locator System

found at www.flowserve.com

Your local Flowserve representative:

Pump Division

USA and CanadaFlowserve CorporationPump Division5215 North OConnor Blvd.Suite 2300Irving, Texas 75039-5421 USA

Telephone: 1 972 443 6500Telefax: 1 972 443 6800

Europe, Middle East, AfricaWorthington S.P.A.Flowserve CorporationVia Rossini 90/9220033 Desio (Milan), ItalyTelephone: 39 0362 6121

Latin America and CaribbeanFlowserve CorporationPump Division6840 Wynnwood LaneHouston, Texas 77008 USATelephone: 1 713 803 4434

Telefax: 1 713 803 4497

Asia PacificFlowserve Pte. Ltd.Pump Division200 Pandan Loop #06-03/04Pantech 21Singapore 128388Telephone: 65 6775 3003

Flowserve... Supporting Our Customers

With The Worlds Leading

Pump Brands

Jeumont-SchneiderJeumont-Schneider

Durco M3 ANSI ps-10-13-e1

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