High Pressure Plunger Pump · Frame size 35 PFR
3550
This triplex (three plunger rods) positive displacement, reciprocating plunger pump is constructed with a chrome-plated brass block-style manifold, 304 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 | 414 bar |
| Speed | 940 min⁻¹ |
| Inlet port | 3/4" |
| Discharge port | 1/2" |
| 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.
On the request list: 0 · for this pump: 0Open request list →
2 kits bundle wearing parts of this pump ↓
Exploded view

Parts list
| Item | Part no. | Description | Qty | Add to request list |
|---|---|---|---|---|
| 2 | 30742 | Passfeder, M10 x 8 x 70STL | 1 | |
| 5 | 125753 | Screw, HHC, Sems (M8 x 25) (Model 2530E)S | 8 | |
| 8 | 44542 | Deckel, LagerAL | 2 | |
| 9 | 815279 | Shim, Split, 2-Piece 0 - 2FBR | 2 | |
| 10 | 12398 | O-Ring, Bearing Cover - 70DNBR | 2 | |
| 11 | 13296 | Seal, Oil, Crankshaft 0 - 2NBR | 2 | |
| 15 | 29326 | Bearing, RollerSTL | 2 | |
| 20 | 121467 | Rod, Connecting Assembly (Includes: 21, 22, 23) (Model 3521C)TNM | 3 | |
| 21 | 126749 | Washer, Locking (M10)STCP | 3 | |
| 22 | 126593 | Washer, Flat (M10.5)STCP | 6 | |
| 23 | 122045 | Screw, HH (M10x55)STZP | 6 | |
| 25 | 29325 | Crankshaft, Dual End (M48)FCM | 1 | |
| 31 | 828710 | Protector, Oil Cap with Foam Gasket 1PE | 1 | |
| 32 | 43211 | Cap, Oil FillerABS | 1 | |
| 33 | 14177 | O-Ring, Oil Filler Cap - 70DNBR | 1 | |
| 34 | 126743 | Bolt, Eye (M12x1.75) (For Lifting Pump Only)STCP | 1 | |
| 37 | 92241 | Gauge, Oil, Bubble with Gasket - 80D 1 - 2 | 2 | |
| 38 | 44428 | Gasket, Flat, Oil Gauge - 80DNBR | 2 | |
| 40 | 125753 | Screw, HHC, Sems (M8 x 25) (Model 2530E)S | 8 | |
| 48 | 25625 | Plug, Drain (1/4" x 19 BSP[M])STCP | 1 | |
| 49 | 23170 | O-Ring, Drain Plug - 70DNBR | 1 | |
| 50 | 45936 | Cover, Rear (See Tech Bulltin 118)AL | 1 | |
| 51 | 16612 | O-Ring, Cover - 70DNBR | 1 | |
| 53 | 49755 | Kurbelgehäuse (Enthält: 34, 54)AL | 1 | |
| 54 | 27488 | Pin, GuideS | 2 | |
| 56 | 27790 | Pan, OilPOP | 1 | |
| 59 | 92538 | Screw, HHC, Sems (M6 x 16) (Model 2530E)S | 2 | |
| 64 | 43864 | Pin, CrossheadCM | 3 | |
| 65 | 49076 | Rod, PlungerSSHB | 3 | |
| 69 | 126587 | Washer, Oil SealSTCP | 3 | |
| 70 | 100488 | Seal, Oil, CrankcaseNBRS | 3 | |
| 75 | 110669 | Slinger, BarrierS | 3 | |
| 86 | 132952 | AdapterD | 3 | |
| 88 | 110670 | Washer, Keyhole (M16)S | 3 | |
| 90 | 132953 | Plunger (M20x110)CC | 3 | |
| 95 | 126549 | Stud, Plunger Retainer (M7x103)STCP | 3 | |
| 96 | 132954 | Back-up-Ring, Plunger RetainerPTFB | 3 | |
| 97 | 14190 | O-Ring, Plunger Retainer - 70DNBR | 3 | |
| 98 | 44069 | Gasket, Plunger Retainer (M7) Model 3501, 3501C, Gasket, Plunger Retainer (M10) Model 3511, 3511CSS | 3 | |
| 99 | 44068 | Retainer, Plunger (M7) [7/02]SS | 3 | |
| 100 | 44119 | Retainer, Seal, RearPPG | 3 | |
| 101 | 44095 | Wick, Long Tab | 3 | |
| 106 | 43513 | Seal, LPS w/SS-SpgNBR | 3 | |
| 110 | 132956 | Manifold, SealBBCP | 1 | |
| 112 | 11373 | O-Ring, Inlet Manifold - 70DNBR | 4 | |
| 117 | 44585 | Screw, HSH (M14x40)S | 4 | |
| 118 | 48702 | Plug [1/4" NPT(M)]S | 2 | |
| 126 | 132958 | Adapter, FemalePTFB | 3 | |
| 127 | 43516 | V-PackingSNG | 9 | |
| 128 | 43517 | Adapter, MaleBB | 3 | |
| 136 | 132964 | Retainer, Valve AssyBB | 3 | |
| 155 | 14200 | O-Ring, Seal Case - 70DNBR | 6 | |
| 156 | 132960 | Back-up-Ring, Valve SpacerPTFE | 6 | |
| 157 | 132959 | Spacer, ValveBB | 3 | |
| 162 | 48510 | Back-up-Ring, Valve SeatPTFE | 6 | |
| 163 | 11338 | O-Ring, Valve Seat - 70DNBR | 6 | |
| 164 | 132965 | Seat, ValveS | 6 | |
| 166 | 48793 | ValveSS | 6 | |
| 167 | 43751 | Spring, ValveS | 6 | |
| 168 | 44564 | Retainer, SpringPVDF | 6 | |
| 172 | 14179 | O-Ring, Oil Filler Cap - 70DNBR | 3 | |
| 173 | 49850 | Backup Ring, Valve PlugPTFB | 3 | |
| 174 | 132966 | Plug, ValveBB | 3 | |
| 177 | 89921 | Screw, HSH (M12 x 30)S | 8 | |
| 178 | 132967 | Cover, ValveBB | 1 | |
| 185 | 132962 | Manifold, Inlet/Discharge, Block-StyleBBCP | 1 | |
| 186 | 19935 | Washer (M12)SCP | 16 | |
| 188 | 128035 | Screw, HSH (M12 x 110)S | 8 | |
| 250 | 44516 | Wellenschutzkappe m/2 Schrauben, Federringen und Scheiben (bei Pumpe)NY | 1 | |
| 255 | 34018 | Mount, Direct (STZP R)STZP | 1 | |
| 260 | 126611 | Mount, Rail Assembly (STZP R)STZP | 1 | |
| 278 | 80540 | Screw, Adjusting (M12 x 100) 2ZP | 1 | |
| 279 | 30278 | Oiler (1 oz) (Not Shown) 3STZP | 3 | |
| 283 | 34314 | Kit, Oil Drain (3/8" x 48") (Not Shown) | 1 | |
| 290 | 6124 | Gasket, Liquid (3 oz. / 0,1 l) | 1 | |
| 299 | 818608 | Head, CompleteBBCP | 1 | |
| – | 6133 | Oil, Crankcase, Can 4l | 1 |
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
76982
NBRMedium Nitrile (Buna-N)
contains 7 items · one kit per pump
Parts list
- 9714190O-Ring, Plungerhalter - 70D3×
- 10643513Dichtung, Niederdruck m/SS-Feder3×
- 11211373O-Ring, Saugstutzen4×
- 126132958Adapter, weiblich3×
- 12743516V-Packung9×
- 15514200O-Ring, Distanzstück - 70D6×
- 156132960Stützring, Distanzstück6×
Valve kits
Valve kit
77033
NBRMedium Nitrile (Buna-N)
contains 8 items · 2 kits per pump
Parts list
- 16248510Stützring, Ventilsitz3×
- 16311338O-Ring, Ventilsitz - 70D3×
- 164132965Ventilsitz3×
- 16648793Ventil3×
- 16743751Feder3×
- 16844564Federhalter, Ventil3×
- 17214179O-Ring, Ventilstopfen - 70D3×
- 17349850Stützring, Ventilstopfen3×
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