CAT PUMPS
CAT PUMPS

High Pressure Plunger Pump · Frame size 35 PFR

3535HS

This triplex (three plunger rods) positive displacement, reciprocating plunger pump is constructed with chrome-plated brass manifolds, 304 stainless steel valve assemblies, solid ceramic plungers and standard NBR (Buna-N) seals and O-rings.

High-strength connecting rods and plunger rods allow high flow and operating pressure for intermittent use on this "HS" Series pump. Intermittent use is defined as operating the pump at the maximum rated flow and pressure for no more than 50% of the time in any given hour.

Technical specifications

Flow rate 151 l/min
Operating pressure 138 bar
Speed 888 min⁻¹
Inlet port 1 1/2"
Discharge port 1"
Shaft diameter 35 mm
Material Brass

Downloads

CAD files

Spare parts

Click an item in the drawing or in the parts list to add it to your request list. We turn it into a quotation – no order is placed.

8 kits bundle wearing parts of this pump ↓

Skip the drawing, go to the parts list

Exploded view

Exploded view 3535HS

Parts list

ItemPart no.DescriptionQtyAdd to request list
596049Screw, HHC Sems (M10x25)S8
8134604Cover, Bearing [06/18]ALE2
9815279Shim, Split, 2-Piece 0 - 2FBR2
1012398O-Ring, Bearing Cover - 70DNBR2
1113296Seal, Oil, Crankshaft 0 - 2NBR2
12855049Shim, Split, 2-Piece 0 - 2S0-2
1529326Bearing, RollerSTL2
20126725Rod, Connecting Assembly (Includes: 21, 22, 23) (Model 3521DHS)BZ3
21126749Washer, Locking (M10)STCP3
22126593Washer, Flat (M10.5)STCP6
23122045Screw, HH (M10x55)STZP6
2529325Crankshaft, Dual End (M48)FCM1
31828710Protector, Oil Cap with Foam Gasket 1PE1
3243211Cap, Oil FillerABS1
3314177O-Ring, Oil Filler Cap - 70DNBR1
34126743Bolt, Eye (M12x1.75) (For Lifting Pump Only)STCP1
3792241Gauge, Oil, Bubble with Gasket - 80D 1 - 2PC1
3844428Gasket, Flat, Oil Gauge - 80DNBR1
40125753Screw, HHC, Sems (M8 x 25) (Model 2530E)S8
4825625Plug, Drain (1/4" x 19 BSP[M])STCP1
4923170O-Ring, Drain Plug - 70DNBR1
5045936Cover, Rear (See Tech Bulltin 118)ALE1
5116612O-Ring, Cover - 70DNBR1
53134784Crankcase Assembly (Includes 54)ALE1
5427488Pin, GuideS2
5627790Pan, OilPOP1
5992538Screw, HHC, Sems (M6 x 16) (Model 2530E)S2
6443864Pin, CrossheadCM3
6549166Rod, Plunger (Model 3521DHS)SSHB3
69126587Washer, Oil SealSTCP3
70100488Seal, Oil, CrankcaseNBRS3
7543865Slinger, BarrierS3
8845676Washer, Keyhole (M16)S3
9043921Plunger (M40 x 145)CC3
9589778Stud, Plunger Retainer (M10x135)SS3
9620189Back-up-Ring, Plunger RetainerPTFE3
9711345O-Ring, Plunger Retainer - 70DNBR3
9844085Gasket, Plunger Retainer (M7) Model 3501, 3501C, Gasket, Plunger Retainer (M10) Model 3511, 3511CSS3
9944084Retainer, Plunger (M10)SS3
100814279Retainer, Seal, 2-PiecePVDF3
10144112Wick, Long Tab3
10644113Seal, Low-Pressure, with SS-SpringNBR3
10744115Spacer, Low-Pressure, SealNAB3
10745381Spacer, Low-Pressure, SealSS3
11045124Manifold, InletNAB1
11045365Manifold, Inlet (Model 3521DHS)SS1
11049464Manifold, Inlet - (Models 3570, 3570S)BBCP1
11211379O-Ring, Inlet Manifold - 70DNBR3
11744585Screw, HSH (M14x40)S4
12646494Adapter, FemaleBB3
12648391Adapter, FemaleD3
12744609V-PackingSTG6
12843928Adapter, MaleBB3
12845368Adapter, MaleSS3
14149519Spring, Large CoilSS3
15548860O-Ring, V-Packing Cylinder - 90DNBR6
15648362Backup Ring, V-Packing, Spacer, OuterD6
15749478Spacer, V-PackingBB3
15749520Spacer, V-PackingSS3
15749521Spacer, V-PackingNAB3
16248363Backup-Ring, Valve SeatD6
16326142O-Ring, Seat - 80DNBR6
16444612Seat, SteppedSS6
16444727Seat, SteppedS6
16643932ValveS6
16644108ValveSS6
16744109Spring, ValveSS6
16844728Retainer, SpringPVDF6
17044729Washer, Spring RetainerSS6
17144644Coil Spring (70kg), Valve PlugSS6
17289827O-Ring, Valve Plug - 90DNBR6
17348364Backup-Ring, Valve PlugD6
17444643Plug, Valve [02/06]NAB6
17446444Plug, Valve [02/06]FBB6
17449300Plug, ValveSSD6
18549299Manifold, DischargeSSD1
18549465Manifold, DischargeBBCP1
18576335Manifold, DischargeNAB1
18889981Screw, HSH (M12 x 70)S8
250855042Protector, Shaft with Two (2) Screws, Lockwashers and WashersNY1
–6124Gasket, Liquid (3 oz. / 0,1 l)1
–6139Lubricant, Anti-Seize (8 oz) (Model 1531)1
–30278Oiler (1 oz) (Not Shown) 33
–30742Passfeder, M10 x 8 x 701
–34017Kit, Valve - Standard NBR (Models 3531DHS, 3531CHS, 3537HS)2
–34018Mount, Direct (STZP R)1
–34314Kit, Oil Drain (3/8" x 48") (Not Shown)1
–45367Adapter FemaleSS3
–80540Screw, Adjusting (M12 x 100) 21
–125397Manifold, Inlet, Flushed (1/4" Flush Ports) (Model 3521C)SS1
–126611Mount, Rail Assembly (STZP R)1
–814522Head, Complete with NBR Seals and O-Rings (Model 3537HS)1
–818372Head, Complete with NBR Seals and O-Rings (Model 3531DHS )1
–818427Head, Complete with NBR Seals and O-Rings (Model 3535HS)1
–819000Assembly, Crankcase, Cast Iron Conversion (Not Shown) 11
–6133Oil, Crankcase, Can 4l1

in the request listcovered by a requested kit

Seal and valve kits

A kit bundles the wearing parts of one assembly. Selecting it highlights the items it covers in the drawing and the parts list – once requested, they stay marked.

Seal kits

  • Seal kit

    31040

    NBR (STD)Medium Nitrile (Buna-N)

    contains 6 items · one kit per pump

    Parts list
    • 9711345O-Ring, Plungerhalter3×
    • 10644113Dichtung, Niederdruck3×
    • 11211379O-Ring, Saugstutzen3×
    • 12744609V-Packung6×
    • 15548860O-Ring, Distanzstück, V-Packung6×
    • 15648362Stützring, O-Ring, Distanzstück, V-Packung6×
  • Seal kit

    33055

    FPM (0.0110)Fluorocarbon

    contains 6 items · one kit per pump

    Parts list
    • 9711375O-Ring, Plungerhalter3×
    • 10644740Dichtung, Niederdruck3×
    • 11214183O-Ring, Saugstutzen3×
    • 12744741V-Packung6×
    • 15520137O-Ring, Distanzstück, V-Packung6×
    • 15648362Stützring, O-Ring, Distanzstück, V-Packung6×
  • Seal kit

    33262

    EPDM (0.0220)Ethylene Propylene Diene Monomer

    contains 6 items · one kit per pump

    Parts list
    • 97701490O-Ring, Plungerhalter3×
    • 10646955Dichtung, Niederdruck3×
    • 112701491O-Ring, Saugstutzen3×
    • 12744609V-Packung6×
    • 155701492O-Ring, Distanzstück, V-Packung6×
    • 15648362Stützring, O-Ring, Distanzstück, V-Packung6×
  • Seal kit

    76948

    IPFE (0.0770)I-Perfluoroelastomer

    contains 7 items · one kit per pump

    Parts list
    • 97702961O-Ring, Plungerhalter3×
    • 10676398Dichtung, Niederdruck3×
    • 112702705O-Ring, Saugstutzen3×
    • 12776780V-Packung6×
    • 155703159O-Ring, Distanzstück, V-Packung6×
    • 156202164Stützring, O-Ring, Distanzstück, V-Packung6×
    • 15620464Backup Ring, V-Packing Spacer6×

Valve kits

  • Valve kit

    34235

    NBR (STD)Medium Nitrile (Buna-N)

    contains 9 items · 2 kits per pump

    Parts list
    • 16248363Stützring, Ventilsitz3×
    • 16326142O-Ring, Ventilsitz3×
    • 16444727Ventilsitz (3520, 3520C)3×
    • 16643932Ventil (3520, 3520C)3×
    • 16744109Feder, Ventil3×
    • 16844728Federhalter, Ventil3×
    • 17044729Scheibe, Federhalter3×
    • 17289827O-Ring, Ventilstopfen3×
    • 17348364Stützring, Ventilstopfen3×
  • Valve kit

    31955

    FPM (0.0110)Fluorocarbon

    contains 9 items · 2 kits per pump

    Parts list
    • 16248363Stützring, Ventilsitz3×
    • 16314330O-Ring, Ventilsitz3×
    • 16444612Ventilsitz (3520, 3520C)3×
    • 16644108Ventil (3520, 3520C)3×
    • 16744109Feder, Ventil3×
    • 16844728Federhalter, Ventil3×
    • 17044729Scheibe, Federhalter3×
    • 17211747O-Ring, Ventilstopfen3×
    • 17348364Stützring, Ventilstopfen3×
  • Valve kit

    31952

    EPDM (0.0220)Ethylene Propylene Diene Monomer

    contains 9 items · 2 kits per pump

    Parts list
    • 16248363Stützring, Ventilsitz3×
    • 163701493O-Ring, Ventilsitz3×
    • 16444612Ventilsitz (3520, 3520C)3×
    • 16644108Ventil (3520, 3520C)3×
    • 16744109Feder, Ventil3×
    • 16844728Federhalter, Ventil3×
    • 17044729Scheibe, Federhalter3×
    • 172701494O-Ring, Ventilstopfen3×
    • 17348364Stützring, Ventilstopfen3×
  • Valve kit

    76617

    IPFE (0.0770)I-Perfluoroelastomer

    contains 12 items · 2 kits per pump

    Parts list
    • 16248363Stützring, Ventilsitz3×
    • 16244614Stützring, Ventilsitz3×
    • 163702808O-Ring, Ventilsitz3×
    • 16444612Ventilsitz (3520, 3520C)3×
    • 16644108Ventil (3520, 3520C)3×
    • 16744109Feder, Ventil3×
    • 16844728Federhalter, Ventil3×
    • 17044729Scheibe, Federhalter3×
    • 172703169O-Ring, Ventilstopfen3×
    • 172701369O-Ring, Ventilstopfen3×
    • 17348364Stützring, Ventilstopfen3×
    • 17320388Stützring, Ventilstopfen3×

More models in frame size 35 PFR

High Pressure Plunger Pump 3501

3501

Flow rate
37.9 l/min
Operating pressure
345 bar
Speed
915 min⁻¹
Material
Stainless Steel
High Pressure Plunger Pump 3507

3507

Flow rate
33 l/min
Operating pressure
345 bar
Speed
800 min⁻¹
Material
Nickel-Aluminum-Bronze
High Pressure Plunger Pump 3507HS

3507HS

Flow rate
38 l/min
Operating pressure
345 bar
Speed
915 min⁻¹
Material
Nickel-Aluminum-Bronze
High Pressure Plunger Pump 3511

3511

Flow rate
53 l/min
Operating pressure
210 bar
Speed
800 min⁻¹
Material
Stainless Steel

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High Pressure Plunger Pump 3535HS
3535HS · High Pressure Plunger Pump