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Mains Units

NHDP 150 plunger pump

NHDP2115L

Part number 1.904-761.0

  • 21Flow, l/min
  • 150Pressure, bar
  • 1450Speed, rpm
  • 5.9Power, kW

50 Hz Rated at a motor speed for 50 Hz mains (UK, Europe, Africa, Australia, most of Asia).

Hawk NHDP 150 pump

Specification

Flow
21 l/min
Pressure
150 bar
Speed
1450 rpm
Absorbed power
5.9 kW
Max water temperature
65 °C
Shaft side
Left
Shaft
Solid
Inlet
G 1/2
Outlet
G 3/8
Weight
8.2 kg
Oil
0.4 litres, SAE 10W40

Kits

Extraordinary maintenance7

Part numberDescriptionPer pumpSuppliers
1.099-740.0Plunger oil seal kit1 
1.904-249.0Valve plug assembly6 
1.904-765.0Complete seals packing Ø18 mm1 
1.904-766.0Plunger Ø18 mm3 
1.904-767.0Complete manifold Ø18 mm1 
1.905-624.0Crankcase seal kit1 
1.905-742.0Connecting rod and plunger rod assembly3 

Ordinary maintenance2

Part numberDescriptionPer pumpSuppliers
1.904-764.0Plunger seals Ø18 mm1 
1.905-617.0Complete valve kit1 

Optional parts1

Part numberDescriptionPer pumpSuppliers
9.853-424.0Threaded brass plug G1/41 

Tools2

Part numberDescriptionPer pumpSuppliers
1.904-744.0Tool-kit1 
1.905-591.0Tool-kit extraordinary1 

Exploded view

Hawk exploded view of the NHDP 150 pump, with position numbers
Hawk's drawing. The numbers match the positions in the parts list below. Open the picture to zoom in.

Parts list

Positions are the balloon numbers on Hawk's exploded view. A part with no number of its own comes in the kit shown beside it.

PosPart numberDescriptionQtyIn kit
1 9.850-369.0 Crankcase1
2 9.853-788.0 Spacer piston Ø181
3 Kit only Plunger oil seal3 1.099-740.0
4 Kit only O-ring Ø1.78 x 25.123 1.904-764.0, 1.904-765.0, 1.904-767.0
5 Kit only "U" seal ØDDI Ø18 x 24 x 3.8 W23 1.904-764.0, 1.904-765.0, 1.904-767.0
6 Kit only Pressure ring Ø183 1.904-765.0, 1.904-767.0
7 Kit only "U" seal Ø18 mm3 1.904-764.0, 1.904-765.0, 1.904-767.0
8 Kit only Support ring Ø183 1.904-765.0, 1.904-767.0
9 Kit only Copper washer G1/21 1.904-767.0
10 Kit only Brass plug G1/21 1.904-767.0
11 Kit only Manifold housing Ø181 1.904-767.0
12 Kit only O-ring Ø1.78 x 15.66 1.904-767.0, 1.905-617.0
13 Kit only Valve assembly6 1.904-767.0, 1.905-617.0
14 Kit only O-ring Ø1,78 x 18.776 1.904-249.0, 1.904-767.0, 1.905-617.0
15 Kit only Valve plug6 1.904-249.0, 1.904-767.0
16 Kit only Brass plug G1/41 1.904-767.0
17 Kit only Copper washer G1/41 1.904-767.0
18 Kit only Manifold stud bolt M14 x 602 1.904-764.0, 1.904-765.0, 1.904-767.0
19 Kit only Lock-washer2 1.904-767.0
20 Kit only Copper washer G3/81 1.904-767.0
21 Kit only Brass plug G 3/82 1.904-767.0, 1.905-624.0
22 Kit only Valve seat6 1.904-767.0, 1.905-617.0
23 Kit only Valve plate6 1.904-767.0, 1.905-617.0
24 Kit only Valve spring6 1.904-767.0, 1.905-617.0
25 Kit only Valve cage6 1.904-767.0, 1.905-617.0
26 9.851-474.0 Screw M6 x 1612
27 9.850-379.0 Bearing cover2
28 Kit only Bearing seal1 1.905-624.0
29 9.850-554.0 Crankshaft seal spacer2
30 9.851-198.0 Snap ring Ø25 mm1
31 9.850-460.0 Ball bearing2
32 9.853-521.0 Single-ended shaft1
33 9.850-446.0 Crankshaft key1
34 9.851-286.0 Oil dip stick1
35 Kit only Crankshaft seal1 1.905-624.0
36 Kit only Plunger bolt3 1.904-766.0
37 Kit only Bonded seal – Ø6,7 x 11 x 1 AISI 3043 1.904-766.0
38 Kit only Plunger Ø18 mm3 1.904-766.0
39 Kit only Copper spacer3 1.904-766.0
40 Kit only Plunger rod3 1.905-742.0
41 Kit only Connecting rod pin3 1.905-742.0
42 Kit only Connecting rod3 1.905-742.0
43 Kit only Spring washer Ø6 mm6 1.905-742.0
44 Kit only Connecting rod screw6 1.905-742.0
45 Kit only O-ring Ø2.62 x 111.621 1.905-624.0
46 9.850-392.0 Crankcase cover1
47 Kit only O-ring Ø1.78 x 141 1.905-624.0
48 Kit only Sight glass G3/41 1.905-624.0

Motor

A 4-pole motor of at least 5.9 kW drives this pump at 1450 rpm.

MotorkWrpmFrameClassA at 400 VSuppliers
RNE 132Ma4 7.51465IEC 132MIE315.3  
RN 132Ma4 7.51440IEC 132MIE115.3  
RN 112c4 uprated 6.31420IEC 112IE112.5  

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 112c4) No Hawk flange listed for this motor.
  • IEC 132, 38 mm shaft (RNE 132Ma4, RN 132Ma4) No Hawk 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 Hawk coupling listed: you need one for a 28 mm motor shaft to the pump shaft.
  • IEC 132, 38 mm motor shaft No Hawk coupling listed: you need one for a 38 mm motor shaft to the pump shaft.

Other Hawk NHDP 150 pumps

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