44 series plunger pump
W952
- 11.5Flow, l/min
- 138Pressure, bar
- 1750Speed, rpm
- 2.94Power, kW
60 Hz Rated at a motor speed for 60 Hz mains (North America, parts of South America and Asia).
Specification
- Flow
- 11.5 l/min
- Pressure
- 138 bar
- Speed
- 1750 rpm
- Absorbed power
- 2.94 kW
- Plunger
- 15 mm
- Shaft
- Solid, Ø24 mm
- Weight
- 7.9 kg
Kits
Oil seals1
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| KIT 23 | Oil seal Ø20 x 30 x 5 | 1 |
Water seals1
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| KIT 88 | Packing Ø15 |
Other kits5
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| KIT 89 | Intermediate ring Ø15 | ||
| KIT 90 | Head ring Ø15 | ||
| KIT 124 | Valve caps | ||
| KIT 125 | Packing retainer Ø15 | ||
| KIT 130 | Complete seal piston Ø15 |
Valves1
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| KIT 123 | Intake/delivery valve | 1 |
Exploded view
Parts list
Interpump make this pump in 4 versions. The list below is for the first, male shaft (key). The others: hollow shaft (key) Ø28,6 - vers. A; pump head with VH integrated valve; pump head with VK integrated valve. Their parts are in Interpump's parts sheet (link above).
Positions are the balloon numbers on Interpump's exploded view.
| Pos | Part number | Description | Qty |
|---|---|---|---|
| 1 | 44120041 | Manifold Ø15 | 1 |
| 2 | 99317500 | Screw m 8 x 60 UNI 5931 | 8 |
| 4 | 90384100 | O-ring 17,12 x 2,62 (3068) | 6 |
| 5 | 36200366 | Valve seat | 6 |
| 6 | 36200176 | Valve plate | 6 |
| 7 | 94737600 | Spring Ø9,4 x 14,8 | 6 |
| 8 | 36202551 | Valve cage | 6 |
| 9 | 90384700 | O-ring 20,29 x 2,62(3081) | 6 |
| 10 | 98222600 | Valve cap M24 x 1,5 x 17 | 6 |
| 11 | 36711501 | Intake/delivery valve | 6 |
| 12 | 99180700 | Screw m 6 x 12 UNI 5739 | 8 |
| 13 | 50150074 | Crankcase cover | 1 |
| 14 | 53210851 | Oil level gauge | 1 |
| 15 | 90389800 | O-ring 56,82 x 2,62 (3225) | 1 |
| 16 | 91833100 | Ball bearing 6305 skf | 2 |
| 17 | 90161400 | Oil seal 20 x 30 x 5 | 3 |
| 18 | 44010022 | Crankcase | 1 |
| 19 | 98210300 | Oil dip-stick G3/8 x 51 | 1 |
| 20 | 44020635 | Crankshaft C.13 (Ø24) | 1 |
| 21 | 91489200 | Key 8(h9)X7 x 35 UNI 6604/A | 1 |
| 22 | 44050066 | Piston guide | 3 |
| 23 | 44030022 | Connecting rod | 3 |
| 24 | 90392000 | O-ring 101,27 x 2,62 (3400) | 1 |
| 25 | 44160022 | Rear crankcase cover | 1 |
| 26 | 99183700 | Screw m 6 x 14 UNI 5931 | 5 |
| 27 | 90358500 | O-ring 10,82 x 1,78 (2043) | 1 |
| 28 | 98204250 | Plug G1/4"x12 | 1 |
| 29 | 97734000 | Connecting-rod pin Ø10 x 29,5 | 3 |
| 30 | 96735000 | Washer Ø16 x 28 x 1 | 3 |
| 31 | 90502200 | Anti-extrusion ring | 3 |
| 32 | 90357200 | O-ring 5,28 x 1,78 spec. (2021) | 3 |
| 33 | 52040009 | Piston Ø15 x 37.5 | 3 |
| 34 | 44211570 | Washer Ø8 | 3 |
| 35 | 92221600 | Nut M8 x 13 x 5 | 3 |
| 36 | 90164100 | Oil seal Ø25 x 62 x 10 | 1 |
| 37 | 50200074 | Pump foot | 2 |
| 38 | 96701600 | Washer 8,4 | 4 |
| 39 | 99303700 | Screw m 8 x 16-5739 | 4 |
| 40 | 90361200 | O-ring 31,47 x 1,78 (2125) | 3 |
| 41 | 44080070 | Packing retainer Ø15 | 3 |
| 42 | 52216670 | Intermediate ring Ø15 | 3 |
| 43 | 90262200 | Restop ring 15 x 25 x 5X3,1 | 3 |
| 44 | 90262000 | Packing Ø15 x 25 x 5/3,1 | 3 |
| 45 | 51100051 | Head ring Ø15 | 3 |
| 46 | 98210000 | Plug G3/8 x 13 | 1 |
| 47 | 98217600 | Plug G1/2 x 10 | 1 |
| 48 | 96738000 | Washer 17,5 x 23 x 1,5 | 1 |
| 49 | 96751400 | Washer 21,5 x 27 x 1,5 | 1 |
| 50 | 98196600 | Plug G1/8 x 8 | 1 |
| 51 | 90261700 | Low press. packing 15 x 25 x 6 | 3 |
| 52 | 90385900 | O-ring 25,07 x 2,62 (3100) | 1 |
| 53 | 90067100 | Circlip ZJ30 | 1 |
| 54 | 53150022 | Side crankcase cover | 1 |
| 98 | 53150001 | Coperchio laterale carter con spia olio montata S.44-53 | 1 |
| 99 | 97595000 | Spia livello olio Ø25 x 7.8 NBR | 1 |
Motor
Rated at 1750 rpm, the speed of a 4-pole motor on a 60 Hz supply. The motors below are listed with their 50 Hz figures and are at least 2.94 kW. Order the one you pick wound for 60 Hz and your supply voltage.
| Motor | kW | rpm | Frame | Class | A at 400 V | Suppliers |
|---|---|---|---|---|---|---|
| RNE 100b4 | 3 | 1440 | IEC 100 | IE3 | 6.8 | |
| RN 100b4 | 3 | 1420 | IEC 100 | IE1 | 6.4 | |
| RNM 100c4 | 3 | 1410 | IEC 100 | Single-phase | 17 at 230 V | |
| RNM 112c4 | 3 | 1415 | IEC 112 | Single-phase | 18.5 at 230 V |
The contactor and overload relay for each motor are on the motor's page.
Flange
The flange bolts the pump to the face of the motor. It depends on the motor's IEC frame.
- IEC 100, 28 mm shaft (RNE 100b4, RN 100b4, RNM 100c4) ZF044 Motor flange, IEC 100/112 B14
- IEC 112, 28 mm shaft (RNM 112c4) ZF044 Motor flange, IEC 100/112 B14
Coupling
The flexible coupling joins the motor shaft to the pump shaft inside the flange.
- IEC 100, 28 mm motor shaft ZG044 Flexible coupling, IEC 100/112, 28 mm motor to 24 mm pump
- IEC 112, 28 mm motor shaft ZG044 Flexible coupling, IEC 100/112, 28 mm motor to 24 mm pump
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