EB 2534 EN
13
Design and principle of operation
12
16
18
17
3
p
1
2
6
7
14
11
10
13
15
1
p
2
4
5
8
1
Valve body
2
Valve seat
3
Plug with soft seal
4
Plug stem
5
Spring plate
6
Set point adjuster
7
Set point springs
8
Venting bore
10 Actuator
11 Actuator stem
12 Operating diaphragm
13 Nut and bolt
14 Control line
15
Screw fitting
16
Bottom diaphragm plate
17 Top diaphragm plate
18 Nut
Upstream pressure p
1
Downstream pressure p
2
Fig. 2:
Functional diagram of Type 2373 Universal Pressure Reducing Valve
