EB 2560 EN
7
Design and principle of operation
Fig. 1:
Functional diagram
Direction of flow
Pressure build-up regulator
Pressure reducing valve
1
Valve body
2.1 Plug
3
Operating diaphragm
4.1 Gasket (bottom section of the body)
5
Diaphragm plate
6
Ball
7
Spring plate
8
Set point springs
9
Spring housing (bottom section of the
body)
10 Set point adjuster (hexagon socket,
5 mm)
11
Lock nut (17 mm)
12 Integrated non-return unit
14 Body screws
15 Seat
16 Plug spring
Type 2357-11
Type 2357-21
16
2.1
B
1
15
5
6
7
8
7
9
11
10
3
4.1
A
4.1
3
1
14
12
5
6
7
8
7
9
11
10
B
A
Summary of Contents for 2357-11
Page 15: ...EB 2560 EN 15...
