High Pressure Plunger Pump · Frame size 38 PFR
3821HS
This triplex (three plunger rods) positive displacement, reciprocating plunger pump is constructed with 316 stainless steel manifolds, 316 stainless steel valve assemblies, solid ceramic plungers and standard NBR (Buna-N) seals and O-rings.
Technical specifications
| Flow rate | 76 l/min |
|---|---|
| Operating pressure | 160 bar |
| Speed | 700 min⁻¹ |
| Inlet port | 1-1/2" |
| Discharge port | 1" |
| Shaft diameter | 35 mm |
| Material | Stainless Steel |
Downloads
- Data sheet German · PDF
- Data sheet English · PDF
- Service manual English · PDF
- Operating manual German / English · PDF
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.
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6 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 | 96049 | Screw, HHC Sems (M10x25)S | 8 | |
| 8 | 134604 | Cover, Bearing [06/18]ALE | 2 | |
| 9 | 815279 | Shim, Split, 2-Piece 0 - 2FBR | 4 | |
| 10 | 12398 | O-Ring, Bearing Cover - 70DNBR | 2 | |
| 11 | 13296 | Seal, Oil, Crankshaft 0 - 2NBR | 2 | |
| 12 | 855049 | Shim, Split, 2-Piece 0 - 2S | 0-2 | |
| 15 | 29326 | Bearing, RollerSTL | 2 | |
| 20 | 126725 | Rod, Connecting Assembly (Includes: 21, 22, 23) (Model 3521DHS)BZ | 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 - 2PC | 1 | |
| 38 | 44428 | Gasket, Flat, Oil Gauge - 80DNBR | 1 | |
| 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)ALE | 1 | |
| 51 | 16612 | O-Ring, Cover - 70DNBR | 1 | |
| 53 | 134784 | Crankcase Assembly (Includes 54)ALE | 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 | 49166 | Rod, Plunger (Model 3521DHS)SSHB | 3 | |
| 69 | 126587 | Washer, Oil SealSTCP | 3 | |
| 70 | 100488 | Seal, Oil, CrankcaseNBRS | 3 | |
| 75 | 43865 | Slinger, BarrierS | 3 | |
| 88 | 45676 | Washer, Keyhole (M16)S | 3 | |
| 90 | 43957 | Plunger (M32x145)CC | 3 | |
| 95 | 89778 | Stud, Plunger Retainer (M10x135)SS | 3 | |
| 96 | 20189 | Back-up-Ring, Plunger RetainerPTFE | 3 | |
| 97 | 11345 | O-Ring, Plunger Retainer - 70DNBR | 3 | |
| 98 | 44085 | Gasket, Plunger Retainer (M7) Model 3501, 3501C, Gasket, Plunger Retainer (M10) Model 3511, 3511CSS | 3 | |
| 99 | 44084 | Retainer, Plunger (M10)SS | 3 | |
| 100 | 814279 | Retainer, Seal, 2-PiecePVDF | 3 | |
| 101 | 44106 | Wick, Long Tab | 3 | |
| 104 | 43875 | O-Ring, Inlet Adapter - 70DNBR | 3 | |
| 105 | 45562 | Adapter, Inlet, Low-PressureSS | 3 | |
| 106 | 44098 | Seal, Low-Pressure, with SS - SpringNBR | 3 | |
| 107 | 44101 | Washer, Low-Pressure SealSS | 3 | |
| 110 | 701286 | Manifold, Inlet, Block-StyleSS | 1 | |
| 111 | 701116 | Plug, Inlet [1-1/2" NPT(M)]SS | 1 | |
| 112 | 701794 | O-Ring, Inlet Spacer - 70DNBR | 6 | |
| 113 | 701319 | Backup Ring, Inlet SpacerPTFE | 6 | |
| 114 | 701317 | Spacer, InletSS | 3 | |
| 117 | 701252 | Screw, HSH (M14 x 100)SS | 4 | |
| 118 | 701077 | Plug, [1/4" NPT(M)]SS | 3 | |
| 122 | 49782 | Spacer, V-PackingSS | 3 | |
| 123 | 12391 | O-Ring, V-Packing Cylinder - 70DNBR | 3 | |
| 124 | 49783 | Cylinder, V-PackingSS | 3 | |
| 126 | 48390 | Adapter, FemaleD | 3 | |
| 127 | 44608 | V-PackingSTG | 6 | |
| 128 | 45565 | Adapter, MaleSS | 3 | |
| 141 | 49743 | Spring, Coil, LargeSS | 3 | |
| 158 | 48362 | Backup Ring, V-Packing, Spacer, OuterD | 3 | |
| 159 | 48860 | O-Ring, V-Packing Cylinder - 90DNBR | 3 | |
| 162 | 48363 | Backup-Ring, Valve SeatD | 6 | |
| 163 | 26142 | O-Ring, Seat - 80DNBR | 6 | |
| 164 | 44612 | Seat, SteppedSS | 6 | |
| 166 | 44108 | ValveSS | 6 | |
| 167 | 44109 | Spring, ValveSS | 6 | |
| 168 | 44728 | Retainer, SpringPVDF | 6 | |
| 170 | 44729 | Washer, Spring RetainerSS | 6 | |
| 171 | 44644 | Coil Spring (70kg), Valve PlugSS | 6 | |
| 172 | 89827 | O-Ring, Valve Plug - 90DNBR | 6 | |
| 173 | 48364 | Backup-Ring, Valve PlugD | 6 | |
| 174 | 701278 | Plug, ValveSS | 6 | |
| 176 | 701316 | Cover, ValveSS | 2 | |
| 177 | 87951 | Screw, HSH (M10x30)S | 32 | |
| 185 | 701315 | Manifold, DischargeSS | 1 | |
| 188 | 701279 | Screw, HSH (M12 x 100), LowerS | 12 | |
| 196 | 701342 | Plug, Discharge (1" NPT) Not ShownSS | 1 | |
| 250 | 855042 | Protector, Shaft with Two (2) Screws, Lockwashers and WashersNY | 1 | |
| – | 6124 | Gasket, Liquid (3 oz. / 0,1 l) | 1 | |
| – | 6139 | Lubricant, Anti-Seize (8 oz) (Model 1531) | 1 | |
| – | 30278 | Oiler (1 oz) (Not Shown) 3 | 1 | |
| – | 30696 | Reverse Pliers (Not Shown) | 1 | |
| – | 30742 | Passfeder, M10 x 8 x 70 | 1 | |
| – | 32273 | Crankcase Oil Seal Removal and Installation Kit (Not Shown) | 1 | |
| – | 34039 | Mount, Direct (S) 1 | 1 | |
| – | 34314 | Kit, Oil Drain (3/8" x 48") (Not Shown) | 1 | |
| – | 80540 | Screw, Adjusting (M12 x 100) 2 | 1 | |
| – | 126611 | Mount, Rail Assembly (STZP R) | 1 | |
| – | 701408 | Manifold, Inlet, Flushed (Models 3801KHS, 3811KHS)SS | 1 | |
| – | 819000 | Assembly, Crankcase, Cast Iron Conversion (Not Shown) 1 | 1 | |
| – | 901401 | Head, Complete, with NBR Seals and O-Rings (Model 3821HS) | 1 | |
| – | 901405 | Head, Complete, Flushed with NBR Seals and O-Rings | 1 | |
| – | 990663 | Assembly, Flushing, 5 Gal, 115V, 1.1 Amp, 1/2" NPT (Model 6821K) 1 | 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
701699
NBR (STD)Medium Nitrile (Buna-N)
contains 9 items · one kit per pump
Parts list
- 9711345O-Ring, Plungerhalter3×
- 10443875O-Ring, Adapter3×
- 10644098Dichtung, Niederdruck3×
- 112701794O-Ring, Saugstutzen6×
- 113701319Stützring, Saugstutzen6×
- 12312391O-Ring, V-Packung, Zylinder3×
- 12744608V-Packung6×
- 15848362Stützring, V-Packung, Zylinder3×
- 15948860O-Ring, V-Packung, Zylinder3×
Seal kit
33269
FPM (0.0110)Fluorocarbon
contains 9 items · one kit per pump
Parts list
- 9711375O-Ring, Plungerhalter3×
- 10444826O-Ring, Adapter3×
- 10644827Dichtung, Niederdruck3×
- 112701318O-Ring, Saugstutzen6×
- 113701319Stützring, Saugstutzen6×
- 12313266O-Ring, V-Packung, Zylinder3×
- 12744829V-Packung6×
- 15848362Stützring, V-Packung, Zylinder3×
- 15920137O-Ring, V-Packung, Zylinder3×
Seal kit
701714
EPDM (0.0220)Ethylene Propylene Diene Monomer
contains 9 items · one kit per pump
Parts list
- 97701490O-Ring, Plungerhalter3×
- 104701656O-Ring, Adapter3×
- 10648244Dichtung, Niederdruck3×
- 112701495O-Ring, Saugstutzen6×
- 113701319Stützring, Saugstutzen6×
- 123701657O-Ring, V-Packung, Zylinder3×
- 12744608V-Packung6×
- 15848362Stützring, V-Packung, Zylinder3×
- 159701492O-Ring, V-Packung, Zylinder3×
Valve kits
Valve kit
34017
NBR (STD)Medium Nitrile (Buna-N)
contains 11 items · 2 kits per pump
Parts list
- 16248363Stützring, Ventilsitz3×
- 16326142O-Ring, Ventilsitz3×
- 16444727Ventilsitz (3520, 3520C)3×
- 16444612Ventilsitz3×
- 16643932Ventil (3520, 3520C)3×
- 16644108Ventil3×
- 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×
More models in frame size 38 PFR
3801
- Flow rate
- 34 l/min
- Operating pressure
- 345 bar
- Speed
- 824 min⁻¹
- Material
- Stainless Steel
3801HS
- Flow rate
- 37.9 l/min
- Operating pressure
- 345 bar
- Speed
- 915 min⁻¹
- Material
- Stainless Steel
3810
- Flow rate
- 22.7 l/min
- Operating pressure
- 689 bar
- Speed
- 870 min⁻¹
- Material
- Stainless Steel
3811
- Flow rate
- 53 l/min
- Operating pressure
- 210 bar
- Speed
- 800 min⁻¹
- Material
- Stainless Steel