Alfa Laval SRU series User Manual

5 Maintenance
5.6 Pressure relief valve
The relief valve must not be disassembled whilst the pump is in operation. Always observe the safety precautions detailed
at the front of this manual.
Take extreme care when removing the springs as they may be compressed.
SRU 1-5 Relief valve
Item
Description
Item
Description
1 Rotorcase cover 14
Circlip
2
Hydraulic piston
15
Bush
3
O-ring, hydraulic piston
16
Valve guide
4
Valve pin
17
Valve pin
5
Shim
18
Spring
6
Backstop disc
19
Screw
7
O-ring, backstop disc
20
Valve spring guide
8Bush 21
Spring adjuster
9
Screw, backstop disc
22 Washer
10 Valve shaft 23 Notched nut
11
O-ring, pneumatic piston
24
Valve housing
12
Pneumatic piston
25 Screw
13
O-ring, pneumatic piston
26
Screw, spring adjuster
33

Alfa Laval SRU series Specifications

General

Brand	Alfa Laval
Model	SRU series
Category	Water Pump
Language	English