53 ET1 brass series plunger pump
ET1C1614
- 14Flow, l/min
- 160Pressure, bar
- 1750Speed, rpm
- 4.26Power, kW
60 Hz Rated at a motor speed for 60 Hz mains (North America, parts of South America and Asia).

Specification
- Flow
- 14 l/min
- Pressure
- 160 bar
- Speed
- 1750 rpm
- Absorbed power
- 4.26 kW
- Plunger
- 18 mm
- Weight
- 5 kg
Kits
Valves1
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| KIT 309 | Valve kit | 3 |
Oil seals1
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| KIT 311 | Oil seal kit | 3 |
Water seals2
Parts list
Positions are the balloon numbers on Interpump's exploded view. A part with no number of its own comes in the kit shown beside it.
| Pos | Part number | Description | Qty | In kit |
|---|---|---|---|---|
| 1 | 53123041 | Manifold d. 18 | 1 | |
| 2 | 36211951 | Intake valve guide | 3 | KIT 309 |
| 3 | 94732600 | Spring dm. 6.0 x 12.0 | 3 | KIT 309 |
| 4 | 36211276 | Spherical valve | 6 | KIT 309 |
| 5 | 36211366 | Valve seat | 6 | KIT 309 |
| 6 | 90367400 | O-ring Ø12 x 2 (120-20) | 12 | KIT 309 |
| 7 | 36722401 | Intake valve assembly | 3 | KIT 309 |
| 8 | 99186700 | Screw m 6 x 18 UNI 5931 | 10 | |
| 9 | 53212015 | Coperchio valvole | 2 | |
| 10 | 99169000 | Screw M05 x 55 spec. A2-70 | 3 | |
| 11 | 96690500 | Washer Ø5 x 11.5 x 0.4 INOX+FKM58/59/63HT | 3 | |
| 12 | 63040509 | Plunger d. 18 x 38.5 | 3 | |
| 13 | 94733300 | Spring Ø6.2 x 10.5 S.S. | 3 | KIT 309 |
| 14 | 36211151 | Valve cage | 3 | KIT 309 |
| 15 | 36719301 | Outlet valve | 3 | KIT 309 |
| 16 | 99199600 | Screw M6 x 70 5931 | 8 | |
| 17 | 63101151 | Head ring Ø18 h.p. | 3 | KIT 314, KIT 315 |
| 18 | 90265350 | Packing Ø18 x 28 x 6/3.7 hp | 3 | KIT 314, KIT 315 |
| 19 | 90511150 | Anti-extr. ring Ø18 x 28 x 2 | 3 | KIT 314, KIT 315 |
| 20 | 53210270 | Seal support d. 18 | 3 | KIT 315 |
| 21 | 90360400 | O-ring 25,12 x 1,78 (2100) | 3 | KIT 314, KIT 315 |
| 23 | 96738000 | Washer 17,5 x 23 x 1,5 | 1 | |
| 24 | 98210000 | Plug G3/8 x 13 | 1 | |
| 25 | 96751400 | Washer 21,5 x 27 x 1,5 | 1 | |
| 26 | 98217600 | Plug G1/2 x 10 | 1 | |
| 27 | 96699000 | Washer Ø7.5 x 23 x 0.5 | 3 | |
| 28 | 53210382 | Sponge gasket d. 3 x 85 | 1 | |
| 29 | 53010022 | Pump crankcase | 1 | |
| 30 | 58210451 | Protection | 1 | |
| 31 | 90159300 | Oil seal d. 18.0 x 24.0 x 4.0 | 3 | KIT 311 |
| 32 | 53050066 | Piston guide | 3 | |
| 33 | 97733800 | Connecting-rod pin d. 10 x 26.5 | 3 | |
| 34 | 53030022 | Connecting rod | 3 | |
| 35 | 53150022 | Side crankcase cover | 1 | |
| 36 | 99183700 | Screw m 6 x 14 UNI 5931 | 8 | |
| 37 | 53210851 | Oil level gauge | 1 | |
| 39 | 60028435 | Crankshaft C.11.0, ET1B1612 ET1C1614 | 1 | |
| 41 | 90389800 | O-ring 56,82 x 2,62 (3225) | 1 | |
| 42 | 90164100 | Oil seal Ø25 x 62 x 10 | 1 | |
| 43 | 91489200 | Key 8(h9)X7 x 35 UNI 6604/A | 1 | |
| 44 | 98210800 | Oil dipstick plug G 3/8”x45 | 1 | |
| 45 | 90391700 | O-ring d. 88.57 x 2.62 NBR 70SH 3350 | 1 | |
| 46 | 53160022 | Rear crankcase cover | 1 | |
| 47 | 98204250 | Plug G1/4"x12 | 1 | |
| 48 | 90358500 | O-ring 10,82 x 1,78 (2043) | 1 | |
| 49 | 98196600 | Plug G1/8 x 8 | 1 | |
| 50 | 53210770 | Seal ring d. 18 | 3 | KIT 315 |
| 51 | 90385900 | O-ring 25,07 x 2,62 (3100) | 1 | |
| 52 | 90067100 | Circlip ZJ30 | 1 | |
| 53 | 53217815 | Plug valvole aspirazione e mandata | 6 | |
| 54 | 90509300 | Anello antiest. 16.4 x 13.2 x 1.3 (E1) | 6 | |
| 55 | 99303700 | Screw m 8 x 16-5739 | 4 | |
| 56 | 96701600 | Washer 8,4 | 4 | |
| 57 | 50200074 | Pump foot | 2 |
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 4.26 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 132Sa4 | 5.5 | 1450 | IEC 132S | IE3 | 10.6 | |
| RN 132Sa4 | 5.5 | 1430 | IEC 132S | IE1 | 11.4 | |
| RN 112b4 uprated | 5.5 | 1420 | IEC 112 | IE1 | 12.2 |
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 112, 28 mm shaft (RN 112b4) No Interpump flange listed for this motor.
- IEC 132, 38 mm shaft (RNE 132Sa4, RN 132Sa4) No Interpump flange listed for this motor.
Coupling
The flexible coupling joins the motor shaft to the pump shaft inside the flange.
- IEC 112, 28 mm motor shaft No Interpump coupling listed: you need one for a 28 mm motor shaft to the pump shaft.
- IEC 132, 38 mm motor shaft No Interpump coupling listed: you need one for a 38 mm motor shaft to the pump shaft.
Other Interpump 53 ET1 brass series pumps
ET1B1611ET1B1612ET1B1613ET1B1614ET1B1807ET1B1808ET1B1809ET1B1810ET1C1609ET1C1612ET1C1613ET1C1808ET1C1810ET1C1811ET1D1807ET1D1808ET1D1810ET1D1811ET1D1813ET1D1814ET1D1835ET1E1808ET1E1810ET1E1811ET1E1812ET1E1813