PumpLookupPump and motor part numbers
Mains Units

NHDP-G1 plunger pump

NHDP1320G1R

Part number 1.904-599.0

  • 13Flow, l/min
  • 200Pressure, bar
  • 3400Speed, rpm
  • 5Power, kW

60 Hz Rated at a motor speed for 60 Hz mains (North America, parts of South America and Asia).

Hawk NHDP-G1 pump

Specification

Flow
13 l/min
Pressure
200 bar
Speed
3400 rpm
Absorbed power
5 kW
Max water temperature
65 °C
Shaft side
Right
Shaft
Solid
Inlet
1/2” G
Outlet
3/8” G
Weight
8.9 kg
Oil
0.4 litres, SAE 10W40

Kits

Extraordinary maintenance7

Part numberDescriptionPer pumpSuppliers
1.099-740.0Plunger oil seal kit1 
1.099-833.0Plunger Ø14 mm3 
1.904-249.0Valve plug assembly6 
1.904-741.0Complete seals packing Ø14 mm1 
1.904-742.0Complete manifold1 
1.905-622.0KIT crankcase seals1 
1.905-742.0Connecting rod and plunger rod assembly3 

Ordinary maintenance2

Part numberDescriptionPer pumpSuppliers
1.904-743.0Plunger seals Ø14 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-G1 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 9.853-555.0 Cilynder head spacer1
3 Kit only Plunger oil seal3 1.099-740.0
4 Kit only O-ring Ø1.78 x 26.73 1.904-741.0, 1.904-742.0, 1.904-743.0
5 Kit only "U" seal Ø14 mm3 1.904-741.0, 1.904-742.0, 1.904-743.0
6 Kit only Pressure ring Ø14 mm3 1.904-741.0, 1.904-742.0
7 Kit only "U" seal Ø14 mm3 1.904-741.0, 1.904-742.0, 1.904-743.0
8 Kit only Copper washer G1/21 1.904-742.0
9 Kit only Brass plug G1/21 1.904-742.0
10 Kit only Cylinder head1 1.904-742.0
11 Kit only O-ring Ø1.78 x 15.66 1.904-742.0, 1.905-617.0
12 Kit only Valve assembly6 1.904-742.0, 1.905-617.0
13 Kit only O-ring Ø1,78 x 18.776 1.904-249.0, 1.904-742.0, 1.905-617.0
14 Kit only Valve plug6 1.904-249.0, 1.904-742.0
15 Kit only Screw M14 x 602 1.904-741.0, 1.904-742.0, 1.904-743.0
16 Kit only Lock-washer2 1.904-742.0
17 Kit only Copper washer G3/81 1.904-742.0
18 Kit only Brass plug G 3/82 1.904-742.0, 1.905-622.0
19 Kit only Valve seat6 1.904-742.0, 1.905-617.0
20 Kit only Valve plate6 1.904-742.0, 1.905-617.0
21 Kit only Valve spring6 1.904-742.0, 1.905-617.0
22 Kit only Valve cage6 1.904-742.0, 1.905-617.0
23 9.851-474.0 Screw M6 x 168
24 9.850-379.0 Bearing cover1
25 Kit only Bearing seal1 1.905-622.0
26 9.850-554.0 Crankshaft seal spacer1
27 9.851-198.0 Snap ring Ø25 mm1
28 9.850-460.0 Ball bearing1
29 9.850-241.0 Hollow shaft1
30 9.851-286.0 Oil dip stick1
31 9.850-354.0 Needle roller bearing1
32 Kit only Crankshaft seal1 1.905-622.0
33 9.851-152.0 Lock-washer4
34 9.851-509.0 Hexagonal screw4
35 9.851-131.0 Washer4
36 9.851-510.0 Screw4
37 9.850-839.0 Lock-washer4
38 9.851-132.0 Washer4
39 9.851-491.0 Screw M6 x 204
40 Kit only Spring washer Ø6 mm10 1.905-622.0
41 9.850-633.0 Engine flange1
42 Kit only Plunger bolt3 1.099-833.0
43 Kit only Bonded seal - Ø6,7 x 11 x 1 AISI 3043 1.099-833.0
44 Kit only Plunger Ø14 mm3 1.099-833.0
45 Kit only Copper spacer3 1.099-833.0
46 Kit only Plunger rod3 1.905-742.0
47 Kit only Connecting rod pin3 1.905-742.0
48 Kit only Connecting rod3 1.905-742.0
49 Kit only Connecting rod screw6 1.905-742.0
50 Kit only O-ring Ø2.62 x 111.621 1.905-622.0
51 9.850-392.0 Crankcase cover1
52 Kit only O-ring Ø1.78 x 141 1.905-622.0
53 Kit only Sight glass G3/41 1.905-622.0

Motor

Rated at 3400 rpm, the speed of a 2-pole motor on a 60 Hz supply. The motors below are listed with their 50 Hz figures and are at least 5 kW. Order the one you pick wound for 60 Hz and your supply voltage.

MotorkWrpmFrameClassA at 400 VSuppliers
RNE 132Sa2 5.52920IEC 132SIE310  
RN 132Sa2 5.52910IEC 132SIE111.1  
RN 112b2 uprated 5.52870IEC 112IE111  

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 112b2) No Hawk flange listed for this motor.
  • IEC 132, 38 mm shaft (RNE 132Sa2, RN 132Sa2) 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-G1 pumps

NHDP1120G1LNHDP1120G1RNHDP1320G1LNHDP1420G1LNHDP1420G1R