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NHDP 200 plunger pump

NHDP1120FL

Part number 1.904-578.0

  • 11Flow, l/min
  • 200Pressure, bar
  • 2800Speed, rpm
  • 4.3Power, kW

50 or 60 Hz The maker gives figures for both supplies.

Hawk NHDP 200 pump

Specification

Flow
11 l/min (13.2 l/min at 60 Hz)
Pressure
200 bar
Speed
2800 rpm (3400 rpm at 60 Hz)
Absorbed power
4.3 kW (5.1 kW at 60 Hz)
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 
1.099-833.0Plunger Ø14 mm3 
1.904-249.0Valve plug assembly6 
1.904-741.0Complete seals packing Ø14 mm1 
1.904-742.0Complete manifold1 
1.905-624.0Crankcase seal kit1 
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 200 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 Nhd plus cylinderhead 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 Cylinderhead1 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 Brass plug G 1/4
16 Kit only Copper washer G 1/4
17 Kit only Screw M14 x 602 1.904-741.0, 1.904-742.0, 1.904-743.0
18 Kit only Lock-washer2 1.904-742.0
19 Kit only Copper washer G3/81 1.904-742.0
20 Kit only Brass plug G 3/82 1.904-742.0, 1.905-624.0
21 Kit only Valve seat6 1.904-742.0, 1.905-617.0
22 Kit only Valve plate6 1.904-742.0, 1.905-617.0
23 Kit only Valve spring6 1.904-742.0, 1.905-617.0
24 Kit only Valve cage6 1.904-742.0, 1.905-617.0
25 9.851-474.0 Screw M6 x 1612
26 9.850-379.0 Bearing cover2
27 Kit only Bearing seal1 1.905-624.0
28 9.850-554.0 Crankshaft seal spacer2
29 9.851-198.0 Snap ring Ø25 mm1
30 9.850-460.0 Ball bearing2
31 9.850-226.0 Single-ended shaft1
32 9.850-446.0 Crankshaft key1
33 9.851-286.0 Oil dip stick1
34 Kit only Crankshaft seal1 1.905-624.0
35 Kit only Plunger bolt3 1.099-833.0
36 Kit only Bonded seal - Ø6,7 x 11 x 1 AISI 3043 1.099-833.0
37 Kit only Plunger Ø14 mm3 1.099-833.0
38 Kit only Copper spacer3 1.099-833.0
39 Kit only Plunger rod3 1.905-742.0
40 Kit only Connecting rod pin3 1.905-742.0
41 Kit only Connecting rod3 1.905-742.0
42 Kit only Spring washer Ø6 mm6 1.905-742.0
43 Kit only Connecting rod screw6 1.905-742.0
44 Kit only O-ring Ø2.62 x 111.621 1.905-624.0
45 9.850-392.0 Crankcase cover1
46 Kit only O-ring Ø1.78 x 141 1.905-624.0
47 Kit only Sight glass G3/41 1.905-624.0

Motor

A 2-pole motor of at least 4.3 kW drives this pump at 2800 rpm on 50 Hz. On a 60 Hz supply a motor with the same poles turns it at 3400 rpm, where it takes 5.1 kW. Order that motor wound for 60 Hz and rated for at least that power.

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 200 pumps

NHDP1020LNHDP1020RNHDP1120FRNHDP1120LNHDP1120RNHDP1220LNHDP1220RNHDP1320LNHDP1320RNHDP1420LNHDP1420RNHDP1520FLNHDP1520FRNHDP1520LNHDP1520RNHDP8520LNHDP8520R