CAT PUMPS
CAT PUMPS

High Pressure Plunger Pump · Frame size 35 PFR

3507HS

This triplex (three plunger rods) positive displacement, reciprocating plunger pump is constructed with nickel aluminum bronze manifolds, 316 stainless steel valve assemblies, solid ceramic plungers and standard NBR (Buna-N) seals and O-rings.

Technical specifications

Flow rate 38 l/min
Operating pressure 345 bar
Speed 915 min⁻¹
Inlet port 1 1/2" NPT(F)
Discharge port 3/4" NPT(F)
Shaft diameter 35 mm
Material Nickel-Aluminum-Bronze

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.

6 kits bundle wearing parts of this pump ↓

Skip the drawing, go to the parts list

Exploded view

Exploded view 3507HS

Parts list

ItemPart no.DescriptionQtyAdd to request list
596049Screw, HHC Sems (M10x25)S8
8134604Cover, Bearing [06/18]ALE2
9815279Shim, Split, 2-Piece 0 - 2FBR
1012398O-Ring, Bearing Cover - 70DNBR2
1113296Seal, Oil, Crankshaft 0 - 2NBR2
12855049Shim, Split, 2-Piece 0 - 2S
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
6549167Rod, PlungerSSHB3
69126587Washer, Oil SealSTCP3
70100488Seal, Oil, CrankcaseNBRS3
7543506Slinger, BarrierS3
8845675Washer, KeyholeS3
9043945Plunger (M20x145) Model 3501,3501C, Plunger (M25x145) Model 3511, 3511CCC3
9589779Stud, Retainer (M7x123) Model 3501, 3501C, Stud, Retainer (M10x135) Model 3511, 3511CS3
9620184Backup Ring, Plunger RetainerPTFE3
9714190O-Ring, Plunger Retainer - 70DNBR3
9844069Gasket, Plunger Retainer (M7) Model 3501, 3501C, Gasket, Plunger Retainer (M10) Model 3511, 3511CSS3
9944068Retainer, Plunger (M7) [7/02]SS3
100814279Retainer, Seal, 2-PiecePVDF3
10144095Wick, Long Tab3
10443875O-Ring, Inlet Adapter - 70DNBR3
10544073Adapter, Low-Pressure SealNAB3
10644071Seal, Low-Pressure with SS - SpringNBR3
10744074Washer, Low-Pressure SealSS3
11044206Manifold, InletNAB1
11211379O-Ring, Inlet Manifold - 70DNBR3
11744585Screw, HSH (M14x40)S4
12312391O-Ring, V-Packing Cylinder - 70DNBR3
12444075Cylinder, V-PackingNAB3
12644076Adapter, FemaleNAB3
12744607V-Packing Model 3501, 3501C, V-Packing Model 3511, 3511C 9/6STG9
12844077Adapter, MaleNAB3
155132961O-Ring, V-Packing Spacer 3/6NBR6
15628675Back-up-Ring, V-Packing Spacer 3/6PTFE6
15746668Spacer, V-PackingSS3
16221985Backup Ring, SeatPTFE6
16326089O-Ring, Seat - 80DNBR6
16444080SeatSS6
16644081ValveSS6
16744082SpringSS6
16844735Retainer, SpringPVDF6
17044794Washer, Spring RetainerSS6
17144793Spring, Coil, Valve PlugSS6
17215853O-Ring, Valve Plug - 70DNBR6
17320224Back-up-Ring, Valve PlugPTFE6
17444795Plug, ValveNAB6
17587951Screw, HSH (M10x30)S36
18546561Manifold, Discharge [10/99]NAB1
18889981Screw, HSH (M12 x 70)S8
250855042Protector, Shaft with Two (2) Screws, Lockwashers and WashersPOP1
–6124Gasket, Liquid (3 oz. / 0,1 l)1
–6139Lubricant, Anti-Seize (8 oz) (Model 1531)1
–30278Oiler (1 oz) (Not Shown) 31
–30696Reverse Pliers (Not Shown)1
–32273Crankcase Oil Seal Removal and Installation Kit (Not Shown)1
–34018Mount, Direct (STZP R)1
–34021Key (M10 x 8 x 70) 11
–34039Mount, Direct (S) 11
–34314Kit, Oil Drain (3/8" x 48") (Not Shown)1
–76514Mount, Rail Assembly (S) (Includes: 34039) 11
–76795Plug, Valve with 1/4" NPT(F) (Not Shown)1
–80540Screw, Adjusting (M12 x 100) 22
–92674Mount, Rail Assembly (STZP R) (Includes: 34018)1
–125970Manifold, Inlet, Flushed (1/4" Inlet Port) 3507C, 3517CNAB1
–816755Head, Complete with NBR Seals and O-Rings (Model 3507HS)1
–819000Assembly, Crankcase, Cast Iron Conversion (Not Shown) 11
–990013Hub, "B", 35 mm (STL) 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

    31037

    NBR (STD)Medium Nitrile (Buna-N)

    contains 9 items · one kit per pump

    Parts list
    • 9714190O-Ring, Plungerhalter (3507,3507C)3×
    • 10443875O-Ring, Adapter3×
    • 10644071Dichtung, Niederdruck (3507,3507C)3×
    • 11211379O-Ring, Saugstutzen3×
    • 12312391O-Ring, V-Packung, Zylinder3×
    • 12744607V-Packung (3507,3507C)9×
    • 15517622O-Ring, Distanzstück, V-Packung (3507,3507C)6×
    • 155132961O-Ring, V-Packing Spacer6×
    • 15628675Stützring, Distanzstück, V-Packung (3507,3507C)6×
  • Seal kit

    33265

    FPM (0.0110)Fluorocarbon

    contains 8 items · one kit per pump

    Parts list
    • 9714161O-Ring, Plungerhalter (3507,3507C)3×
    • 10444826O-Ring, Adapter3×
    • 10644381Dichtung, Niederdruck (3507,3507C)3×
    • 11214183O-Ring, Saugstutzen3×
    • 12313266O-Ring, V-Packung, Zylinder3×
    • 12744607V-Packung (3507,3507C)9×
    • 15511719O-Ring, Distanzstück, V-Packung (3507,3507C)6×
    • 15628675Stützring, Distanzstück, V-Packung (3507,3507C)6×
  • Seal kit

    76579

    EPDM (0.0220)Ethylene Propylene Diene Monomer

    contains 8 items · one kit per pump

    Parts list
    • 9748239O-Ring, Plungerhalter (3507,3507C)3×
    • 104701656O-Ring, Adapter3×
    • 106701974Dichtung, Niederdruck (3507,3507C)3×
    • 112701491O-Ring, Saugstutzen3×
    • 123701657O-Ring, V-Packung, Zylinder3×
    • 12744607V-Packung (3507,3507C)9×
    • 155701654O-Ring, Distanzstück, V-Packung (3507,3507C)6×
    • 15628675Stützring, Distanzstück, V-Packung (3507,3507C)6×

Valve kits

  • Valve kit

    34151

    NBR (STD)Medium Nitrile (Buna-N)

    contains 10 items · 2 kits per pump

    Parts list
    • 16221985Stützring, Ventilsitz3×
    • 16326089O-Ring, Ventilsitz3×
    • 16444080Ventilsitz3×
    • 16644081Ventil3×
    • 16744082Feder, Ventil3×
    • 16844735Federhalter, Ventil3×
    • 17044794Scheibe, Federhalter3×
    • 17215853O-Ring, Ventilstopfen3×
    • 17289827O-Ring, Ventilstopfen3×
    • 17320224Stützring, Ventilstopfen3×
  • Valve kit

    701798

    FPM (0.0110)Fluorocarbon

    contains 10 items · 2 kits per pump

    Parts list
    • 16221985Stützring, Ventilsitz3×
    • 16311377O-Ring, Ventilsitz3×
    • 16444080Ventilsitz3×
    • 16644081Ventil3×
    • 16744082Feder, Ventil3×
    • 16844735Federhalter, Ventil3×
    • 17044794Scheibe, Federhalter3×
    • 17211720O-Ring, Ventilstopfen3×
    • 17211747O-Ring, Ventilstopfen3×
    • 17320224Stützring, Ventilstopfen3×
  • Valve kit

    701799

    EPDM (0.0220)Ethylene Propylene Diene Monomer

    contains 9 items · 2 kits per pump

    Parts list
    • 16221985Stützring, Ventilsitz3×
    • 16346647O-Ring, Ventilsitz3×
    • 16444080Ventilsitz3×
    • 16644081Ventil3×
    • 16744082Feder, Ventil3×
    • 16844735Federhalter, Ventil3×
    • 17044794Scheibe, Federhalter3×
    • 172701481O-Ring, Ventilstopfen3×
    • 17320224Stützring, 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 3511

3511

Flow rate
53 l/min
Operating pressure
210 bar
Speed
800 min⁻¹
Material
Stainless Steel
High Pressure Plunger Pump 3511DHS

3511DHS

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

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High Pressure Plunger Pump 3507HS
3507HS · High Pressure Plunger Pump