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Mains Units

MPX Heavy Duty plunger pump

MPX3050EBL

Part number 1.904-962.0

  • 30Flow, l/min
  • 500Pressure, bar
  • 1450Speed, rpm
  • 28.5Power, kW

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

Hawk MPX Heavy Duty pump

Specification

Flow
30 l/min (36 l/min at 60 Hz)
Pressure
500 bar
Speed
1450 rpm (1740 rpm at 60 Hz)
Absorbed power
28.5 kW (34.2 kW at 60 Hz)
Max water temperature
65 °C
Shaft side
Left
Shaft
Solid
Inlet
G 3/4
Outlet
G 1/2
Weight
37 kg
Oil
2.3 litres, SAE 10W-40

Kits

Extraordinary maintenance8

Part numberDescriptionPer pumpSuppliers
1.099-766.0Plunger oil seal kit1 
1.099-805.0Crankcase seal kit1 
1.904-428.0Connecting rod and plunger rod assembly3 
1.904-452.0Plunger Ø183 
1.904-456.0Circulation pipe kit1 
1.904-973.0Complete seal packing 
1.905-157.0Cylinder head KIT 
9.853-518.0Manifold screws1 

Ordinary maintenance2

Part numberDescriptionPer pumpSuppliers
1.904-450.0Piston seal packing Ø181 
1.904-453.0Complete valve1 

Tools2

Part numberDescriptionPer pumpSuppliers
1.099-669.0Tool KIT 
1.904-418.0Tool KIT extraordinary 

Exploded view

Hawk exploded view of the MPX Heavy Duty 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 9.853-515.0 Carter1
2 Kit only Plunger oil seal3 1.099-766.0
3 Kit only Support ring3 1.904-973.0
4 Kit only "U" seal3 1.904-450.0, 1.904-973.0
5 Kit only Intermediate ring3 1.904-973.0
6 Kit only Back ring3 1.904-450.0, 1.904-973.0
7 Kit only O-ring3 1.904-450.0, 1.904-973.0
8 Kit only "U" seal3 1.904-450.0, 1.904-973.0
11 Kit only Brass plug G3/4"1 1.905-157.0
12 Kit only Copper spacer G3/4"1 1.905-157.0
13 Kit only Manifold housing1 1.905-157.0
14 Kit only Spring washer16 1.905-157.0, 9.853-518.0
15 Kit only Manifold housing screw6 9.853-518.0
19 Kit only Valve assembly3 1.904-453.0
20 Kit only Valve seat3 1.904-453.0
21 Kit only Back ring3 1.904-453.0
22 Kit only O-ring3 1.904-453.0
23 Kit only Valve plate6 1.904-453.0
24 Kit only Valve spring6 1.904-453.0
25 Kit only Valve cage3 1.904-453.0
26 Kit only Back ring6 1.904-453.0
27 Kit only O-ring3 1.904-453.0
28 Kit only Valve cage3 1.904-453.0
29 Kit only Copper washer3 1.904-453.0
30 Kit only Valve spacer cap3 1.905-157.0
31 Kit only Back ring3 1.904-453.0
32 Kit only Manifold housing cover1 1.905-157.0
33 Kit only Cover screw10 1.905-157.0
34 9.851-503.0 Bearing housing screw12
35 9.851-114.0 Washer12
36 9.850-641.0 Bearing housing1
37 9.850-556.0 Shim 0,1 mm1
37 9.850-557.0 Shim 0,05 mm1
38 Kit only O-ring2 1.099-805.0
39 9.851-963.0 Roller bearing2
40 9.850-231.0 Crankshaft spto Ø301
41 9.850-450.0 Crankshaft key1
42 9.851-457.0 Eyebolt1
43 9.853-617.0 Oil dip stick1
44 Kit only Plunger oil seal1 1.099-805.0
45 9.850-642.0 Bearing housing1
46 Kit only Plunger inox screw3 1.904-452.0
47 Kit only Bonded seal3 1.904-452.0
48 Kit only Plunger3 1.904-452.0
49 Kit only Copper spacer3 1.904-452.0
50 Kit only Plunger rod3 1.904-428.0
51 Kit only Connecting rod pin3 1.904-428.0
52 Kit only Connecting rod3 1.904-428.0
53 Kit only Schnorr washer6 1.904-428.0
54 Kit only Connecting rod screw6 1.904-428.0
55 Kit only O-ring1 1.099-805.0
56 9.850-393.0 Crankcase cover1
57 9.851-474.0 Cover screw5
58 Kit only Sight glass G 3/4”1 1.099-805.0
59 Kit only Brass plug G3/8"1 1.099-805.0
60 Kit only O-ring1 1.099-805.0
61 Kit only Red pipe4 1.904-456.0
62 Kit only Fitting6 1.904-456.0
63 9.851-353.0 Cup1
64 9.853-516.0 Sleeve2
65 Kit only O-ring3 1.904-453.0
66 Kit only O-ring Ø1,78 x 17,172 1.905-157.0
67 Kit only Bonded seal M222 1.905-157.0
68 Kit only Brass plug M22 x 11 1.905-157.0
69 Kit only Nipple m-m M22 x 1 – G1/21 1.905-157.0

Motor

A 4-pole motor of at least 28.5 kW drives this pump at 1450 rpm on 50 Hz. On a 60 Hz supply a motor with the same poles turns it at 1740 rpm, where it takes 34.2 kW. Order that motor wound for 60 Hz and rated for at least that power.

MotorkWrpmFrameClassA at 400 VSuppliers
RN 200a4 301475IEC 200IE157  
RN 180Lb4 uprated 301465IEC 180LIE158  

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 180, 48 mm shaft (RN 180Lb4) No Hawk flange listed for this motor.
  • IEC 200, 55 mm shaft (RN 200a4) No Hawk flange listed for this motor.

Coupling

The flexible coupling joins the motor shaft to the pump shaft inside the flange.

  • IEC 180, 48 mm motor shaft No Hawk coupling listed: you need one for a 48 mm motor shaft to the pump shaft.
  • IEC 200, 55 mm motor shaft No Hawk coupling listed: you need one for a 55 mm motor shaft to the pump shaft.

Other Hawk MPX Heavy Duty pumps

MPX2550EBLMPX2550EBRMPX3050EBR