PumpLookupPump and motor part numbers
Mains Units

HFR plunger pump

HFR8020SR

Part number 1.905-408.0

  • 80Flow, l/min
  • 200Pressure, bar
  • 1000Speed, rpm
  • 31.5Power, kW

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

Hawk HFR pump

Specification

Flow
80 l/min
Pressure
200 bar
Speed
1000 rpm
Absorbed power
31.5 kW
Max water temperature
40 °C
Shaft side
Right
Shaft
Solid
Inlet
1 - 1 1/4" G
Outlet
G 3/4
Weight
49 kg
Oil
3.5 litres

Kits

Extraordinary maintenance4

Part numberDescriptionPer pumpSuppliers
1.099-817.0Plunger oil seal kit1 
1.905-410.0Complete seals packing Ø36 mm1 
1.905-411.0Plunger Ø36 mm3 
1.905-706.0Crankcase seal kit1 

Ordinary maintenance2

Part numberDescriptionPer pumpSuppliers
1.905-409.0Plunger seals Ø36 mm1 
1.905-704.0Complete valve1 

Tools1

Part numberDescriptionPer pumpSuppliers
1.905-414.0Tool-kit 

Exploded view

Hawk exploded view of the HFR 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 9.851-902.0 Crankcase1
2 Kit only Plunger oil seal3 1.099-817.0
3 Kit only Plastic bushing3 1.099-817.0
4 Kit only O-ring Ø2.62 x 56,823 1.905-409.0, 1.905-410.0
5 Kit only Pressure ring 36 mm3 1.905-410.0
6 Kit only "U" seal Ø36 x 443 1.905-409.0, 1.905-410.0
7 Kit only Intermediate ring 36 mm3 1.905-410.0
9 Kit only "U" seal Ø36 x 46 x 10,46 1.905-409.0, 1.905-410.0
11 Kit only Bonded seal 1” ¼ NBR1
12 Kit only Brass plug G1” 1/41
13 Kit only Manifold housing Ø361
14 Kit only Valve assembly6 1.905-704.0
15 Kit only O-ring Ø2.62 x 31,426 1.905-704.0
16 Kit only Back ring6 1.905-704.0
17 Kit only Valve plug6
18 Kit only Valves cover2
19 Kit only Valve cover screw12
20 Kit only Valve plug screw6
21 9.851-471.0 Manifold stud bolt
22 9.851-472.0 Manifold stud bolt4
23 Kit only Copper washer1
24 Kit only Inox plug G3/41
25 Kit only O-ring Ø2.62 x 28.256 1.905-704.0
26 Kit only Back ring6 1.905-704.0
27 Kit only Valve seat6 1.905-704.0
28 Kit only Valve plate6 1.905-704.0
29 Kit only Valve spring6 1.905-704.0
30 Kit only Valve cage6 1.905-704.0
31 9.851-468.0 Bearing housing screw12
32 9.850-646.0 Closed bearing screw1
33 Kit only O-ring Ø2.62 x 120.322 1.905-706.0
34 9.850-353.0 Roller bearing2
35 9.850-185.0 Single - ended shaft1
36 9.850-449.0 Crankshaft KIT1
37 9.851-454.0 Eyebolt1
38 Kit only Crankshaft seal1 1.905-706.0
39 9.850-645.0 Bearing housing1
40 Kit only Plunger bolt3 1.905-411.0
41 Kit only O-ring Ø1.78 x 11.113 1.905-411.0
42 Kit only Plunger Ø363 1.905-411.0

Motor

This pump needs 31.5 kW at 1000 rpm, more than the largest motor of that speed listed here.

Flange

The flange depends on the motor, so it is chosen with the motor.

Coupling

The coupling depends on the motor shaft, so it is chosen with the motor.

Other Hawk HFR pumps

HFR40FHFR40SHFR60FLHFR60FRHFR60SLHFR60SRHFR80FLHFR80FRHFR80SHFR105SLHFR105SRHFR120SLHFR120SRHFR8020SL