High Pressure Piston Pump · Frame size 10 PFR 621
This triplex (three piston rods) positive displacement, reciprocating piston pump is constructed with 316 stainless steel manifolds, 304 stainless steel valve assemblies, and un-chromed 304 stainless steel sleeves and cylinders. Multiple piston cup and seal configurations are available with NBR (Buna-N) O-rings.
Technical specifications
| Flow rate | 22.7 l/min |
|---|---|
| Operating pressure | 83 bar |
| Speed | 850 min⁻¹ |
| Inlet port | 1" NPT(F) |
| Discharge port | 3/4" NPT(F) |
| Shaft diameter | 25 mm |
| Material | Stainless Steel |
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: 0 Open request list →
8 kits bundle wearing parts of this pump ↓
Skip the drawing, go to the parts list 
Exploded view
Parts list
| Item | Part no. | Description | Qty | Add to request list |
|---|---|---|---|---|
| 5 | 125824 | Screw, HHC Sems (M6x16) 8/4STCP | 8 | |
| 8 | 27331 | Cover, BearingAL | 2 | |
| 10 | 26965 | O-Ring, Bearing Cover - 70DNBR | 2 | |
| 11 | 27330 | Seal, Oil, CrankshaftNBR | 2 | |
| 15 | 47080 | Bearing, BallSTL | 2 | |
| 20 | 48733 | Rod, Connecting, Assembly [5/02]TNM | 3 | |
| 25 | 27329 | Crankshaft, Dual End (M28.5)FCM | 1 | |
| 32 | 43211 | Cap, Oil FillerABS | 1 | |
| 33 | 14177 | O-Ring, Oil Filler Cap - 70DNBR | 1 | |
| 37 | 92241 | Gauge, Oil, Bubble with Gasket - 80D 1 - 2PC | 1 | |
| 38 | 44428 | Gasket, Flat, Oil Gauge - 80DNBR | 1 | |
| 40 | 126541 | Screw, HHC Sems (M6 x 20)STCP | 4 | |
| 48 | 25625 | Plug, Drain (1/4" x 19 BSP[M])STCP | 1 | |
| 49 | 23170 | O-Ring, Drain Plug - 70DNBR | 1 | |
| 50 | 49712 | Cover, RearAL | 1 | |
| 51 | 14070 | O-Ring, CoverNBR | 1 | |
| 53 | 49710 | Crankcase with Guide PinsAL | 1 | |
| 55 | 126545 | Stud (M10 x 45)STCP | 4 | |
| 56 | 27911 | Pan, Oil (Use with Items 100,101,106) For Blue-Dot SealsPOP | 1 | |
| 64 | 20251 | Pin, CrossheadCM | 3 | |
| 65 | 27337 | Rod, PistonSZZ | 3 | |
| 69 | 126585 | Washer, Oil SealSTCP | 3 | |
| 70 | 27339 | Seal, Oil, CrankcaseNBR | 3 | |
| 75 | 25327 | Slinger, BarrierS | 3 | |
| 77 | 25392 | O-Ring, Sleeve 6/3NBR | 6 | |
| 80 | 27340 | SleeveSCP | 3 | |
| 81 | 29003 | Backup Ring, Sleeve 3/0PTFE | 3 | |
| 100 | 27341 | Retainer, SealPVDF | 3 | |
| 101 | 27910 | Wick, Long Tab (Use with Items 56,100,106) For Blue-Dot Seals | 3 | |
| 106 | 30315 | Seal, Low-Pressure, (Greased)NBR | 3 | |
| 110 | 27344 | Manifold, Inlet (Models 623, 820, 1010)NABC | 1 | |
| 119 | 27347 | Valve, InletS | 3 | |
| 119 | 27497 | Valve, InletS | 3 | |
| 119 | 27813 | Valve, InletS | 3 | |
| 130 | 27814 | PistonS | 3 | |
| 130 | 27820 | PistonS | 3 | |
| 133 | 30340 | Cup, PistonNBR | 3 | |
| 135 | 27348 | Spacer, PistonS | 3 | |
| 135 | 27499 | Spacer, PistonS | 3 | |
| 136 | 20324 | Retainer, PistonS | 3 | |
| 136 | 27002 | Retainer, PistonS | 3 | |
| 136 | 27500 | Retainer, PistonS | 3 | |
| 137 | 27006 | Washer, Conical (M6)S | 6 | |
| 138 | 27000 | Nut, Slotted (M6)S | 3 | |
| 139 | 14158 | Cotterpin (M1.6 x 10)S | 3 | |
| 143 | 26969 | O-Ring, Cylinder - 70DNBR | 6 | |
| 150 | 28340 | Cylinder (M50)SCP | 3 | |
| 150 | 28341 | Cylinder (M50)SCP | 3 | |
| 150 | 28342 | Cylinder (M50)SCP | 3 | |
| 153 | 28204 | Backup Ring, Cylinder (Models 621, 623, 820, 821)PTFE | 3 | |
| 162 | 43062 | Backup Ring, SeatPTFE | 3 | |
| 163 | 26966 | O-Ring, Seat - 70DNBR | 3 | |
| 164 | 43428 | SeatS | 3 | |
| 166 | 43721 | ValveS | 3 | |
| 167 | 43251 | SpringS | 3 | |
| 168 | 43429 | Retainer, SpringS | 3 | |
| 185 | 43046 | Manifold, Discharge (Models 623, 820, 1010)BBCP | 1 | |
| 186 | 126593 | Washer, Flat (M10.5)STCP | ||
| 187 | 43047 | Stud, Hex, Manifold "B"STCP | 4 | |
| 188 | 126582 | Washer, Shim (M10.5 x 1.0) 4 - 8STCP | ||
| 189 | 126583 | Washer, Shim (M10 x 0.5) 4 - 8STCP | ||
| 190 | 126584 | Washer, Shim (M10 x 0.3) 4 - 8STCP | ||
| 191 | 27357 | Retainer, Shim (M10)STZP | 4 | |
| 192 | 126231 | Lockwasher (M10)STCP | 4 | |
| 194 | 126522 | Nut, Hex (M10 x 1.5)STCP | 4 | |
| 196 | 20326 | Plug, Inlet [3/4" NPT(M)]BBCP | 1 | |
| – | 6124 | Gasket, Liquid (3 oz. / 0,1 l) | 1 | |
| – | 6139 | Lubricant, Anti-Seize (8 oz) (Model 1531) | 1 | |
| – | 27006 | Washer, Conical (M6)S | 3 | |
| – | 28776 | Cylinder (M50) (Unchromed)S | 3 | |
| – | 28778 | Cylinder (M50) (Unchromed)S | 3 | |
| – | 28780 | Cylinder (M50) (Unchromed)S | 3 | |
| – | 28782 | Sleeve (Unchromed)S | 3 | |
| – | 30247 | Manifold, Inlet (Models 621, 821, 1011)SS | 1 | |
| – | 30248 | Manifold, Discharge (Models 621, 821, 1011)SS | 1 | |
| – | 30264 | Mount, Direct | 1 | |
| – | 30284 | Hub and Key Assembly (Not Shown) | 1 | |
| – | 30613 | Assembly, Rail (5.72" - See Dimensional Drawing) | 1 | |
| – | 30653 | Assembly, Mount (Not Shown) | 1 | |
| – | 34334 | Kit, Oil Drain (3/8" x 24") (Not Shown) 1 | 1 | |
| – | 43139 | Protector, Shaft | 1 | |
| – | 50146 | Key (M7 x 7 x 40) | 1 | |
| – | 828710 | Protector, Oil Cap with Foam Gasket 1 | 1 | |
| – | 6132 | Oil, Crankcase, Bottle 1l | 2 |
in the request list covered 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
30305
NBRMedium Nitrile (Buna-N)
contains 5 items · one kit per pump
Parts list
- 106 30315 Dichtung, Niederdruck 3×
- 133 29089 3×
- 139 14158 Splint 3×
- 143 26969 O-Ring, Cylinder 6×
- 153 28204 Backup Ring, Cylinder 3×
-
Seal kit
30397
NBR (STD)Medium Nitrile (Buna-N)
contains 7 items · one kit per pump
Parts list
- 101 27340 Sleeve 3×
- 106 25327 Slinger, Barrier 3×
- 106 30315 Seal, Low-Pressure, (Greased) 3×
- 133 29092 3×
- 139 25392 O-Ring, Sleeve 6/3 6×
- 139 14158 Cotterpin (M1.6 x 10) 3×
- 143 26969 O-Ring, Cylinder - 70D 6×
-
Seal kit
30226
contains 8 items · one kit per pump
Parts list
- 101 27910 Ölfilz 3×
- 106 25153 Dichtung, Niederdruck 3×
- 130 30543 Piston (Bac-Cup) 3×
- 131 30544 Bac-Cup Ring 3×
- 133 43172 3×
- 139 14158 Splint 3×
- 143 26969 O-Ring, Cylinder 6×
- 355 22130 Inserter, Cup 1×
-
Seal kit
30227
contains 7 items · one kit per pump
Parts list
- 101 27340 Sleeve 3×
- 106 25327 Slinger, Barrier 3×
- 106 25153 Seal, Low-Pressure, Blue Dot 3×
- 133 76189 3×
- 139 25392 O-Ring, Sleeve 6/3 6×
- 139 14158 Cotterpin (M1.6 x 10) 3×
- 143 26969 O-Ring, Cylinder - 70D 6×
-
Seal kit
32212
PTFEPure Polytetrafluoroethylene
contains 6 items · one kit per pump
Parts list
- 106 701384 Slinger, Barrier 3×
- 133 27815 Cup, Piston 3×
- 139 14158 Cotterpin (M1.6 x 10) 6×
- 143 26969 O-Ring, Cylinder - 70D 6×
- 153 28204 Backup Ring, Cylinder (Models 621, 623, 820, 821) 3×
- 355 15770 Inserter, Cup 1×
Valve kits
-
Valve kit
30687
NBR (STD)Medium Nitrile (Buna-N)
contains 8 items · one kit per pump
Parts list
- 143 26969 O-Ring, Zylinder 6×
- 153 28204 Stützring, Zylinder 3×
- 162 43062 Stützring, Ventilsitz 3×
- 163 26966 O-Ring, Ventilsitz 3×
- 164 43428 Ventilsitz 3×
- 166 43721 Ventil 3×
- 167 43251 Feder, Ventil 3×
- 168 43429 Federhalter, Ventil 3×
-
Valve kit
30449
FPM (FLACH)Fluorocarbon
contains 8 items · one kit per pump
Parts list
- 143 26969 O-Ring, Zylinder 6×
- 153 28204 Stützring, Zylinder 3×
- 162 43062 Stützring, Ventilsitz 3×
- 163 26966 O-Ring, Ventilsitz 3×
- 164 43063 Ventilsitz 3×
- 166 20262 Ventil 3×
- 167 20265 Feder, Ventil 3×
- 168 43135 Federhalter, Ventil 3×
-
Valve kit
32213
FPM (STD)Fluorocarbon
contains 8 items · one kit per pump
Parts list
- 143 28459 O-Ring, Cylinder 6×
- 153 28204 Backup Ring, Cylinder (Models 621, 623, 820, 821) 3×
- 162 43062 Backup Ring, Seat 3×
- 163 28458 O-Ring, Seat 3×
- 164 43428 Seat 3×
- 166 43721 Valve 3×
- 167 43251 Spring 3×
- 168 43429 Retainer, Spring 3×
More models in frame size 10 PFR
623
- Flow rate
- 23 l/min
- Operating pressure
- 85 bar
- Speed
- 850 min⁻¹
- Material
- Brass
820
- Flow rate
- 38 l/min
- Operating pressure
- 70 bar
- Speed
- 940 min⁻¹
- Material
- Brass
821
- Flow rate
- 37.9 l/min
- Operating pressure
- 69 bar
- Speed
- 940 min⁻¹
- Material
- Stainless Steel
1010
- Flow rate
- 49 l/min
- Operating pressure
- 50 bar
- Speed
- 900 min⁻¹
- Material
- Brass