44 series plunger pump
W112
- 12Flow, l/min
- 100Pressure, bar
- 1450Speed, rpm
- 2.2Power, kW
50 Hz Rated at a motor speed for 50 Hz mains (UK, Europe, Africa, Australia, most of Asia).
Specification
- Flow
- 12 l/min
- Pressure
- 100 bar
- Speed
- 1450 rpm
- Absorbed power
- 2.2 kW
- Plunger
- 18 mm
- Shaft
- Solid, Ø24 mm
- Weight
- 7.7 kg
Kits
Oil seals1
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| KIT 23 | Oil seal Ø20 x 30 x 5 | 1 |
Valves1
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| KIT 123 | Intake/delivery valve | 1 |
Other kits4
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| KIT 124 | Valve caps | ||
| KIT 126 | Packing retainer Ø18 | ||
| KIT 128 | Intermediate ring Ø18 | ||
| KIT 129 | Head ring Ø18 |
Water seals1
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| KIT 127 | Packing Ø18 | 1 |
Complete seals1
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| KIT 131 | Complete seal piston Ø18 | 3 |
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 - vers. B; 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 | 44120441 | Manifold | 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 | 44020335 | Crankshaft C.11 (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 | 44040109 | Piston Ø18 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 | 44080170 | Packing retainer Ø18 | 3 |
| 42 | 44216170 | Intermediate ring Ø18 | 3 |
| 43 | 90268300 | Restop ring Ø18 | 3 |
| 44 | 90268200 | Packing Ø18 | 3 |
| 45 | 44100151 | Head ring Ø18 | 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 | 90268400 | Packing 18 x 30 x 7 (l.p.) | 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
A 4-pole motor of at least 2.2 kW drives this pump at 1450 rpm. Single-phase motors are listed last, for a 230 V supply.
| Motor | kW | rpm | Frame | Class | A at 400 V | Suppliers |
|---|---|---|---|---|---|---|
| RNE 100a4 | 2.2 | 1455 | IEC 100 | IE3 | 5.9 | |
| RN 100a4 | 2.2 | 1420 | IEC 100 | IE1 | 4.9 | |
| RN 90Lc4 uprated | 2.2 | 1400 | IEC 90L | IE1 | 5.4 | |
| RNM 90Lc4 | 2.2 | 1370 | IEC 90L | Single-phase | 14.5 at 230 V | |
| RNM 100a4 | 2.2 | 1430 | IEC 100 | Single-phase | 14 at 230 V | |
| RNM 112a4 | 2.2 | 1450 | IEC 112 | Single-phase | 12.5 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 90, 24 mm shaft (RN 90Lc4, RNM 90Lc4) ZF070 Motor flange, IEC 90 B14
- IEC 100, 28 mm shaft (RNE 100a4, RN 100a4, RNM 100a4) ZF044 Motor flange, IEC 100/112 B14
- IEC 112, 28 mm shaft (RNM 112a4) ZF044 Motor flange, IEC 100/112 B14
Coupling
The flexible coupling joins the motor shaft to the pump shaft inside the flange.
- IEC 90, 24 mm motor shaft ZG070 Flexible coupling, IEC 90, 24 mm motor to 24 mm pump
- 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
Gearbox for engine drive
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