Samson 33-1, Монтаж и эксплуатация

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3-2 EB 2551-1 EN
Design and principle of operation
10
4
5
1
2
3
11
6
7
8.2
p
s
p
2
p
1
p
2
p
2
p
1
12
p
s
8
8.1
8.3
9
1
Main valve
2 Seat
3 Plug
4
Plug stem
5 Balancing bellows
6
Operating diaphragm
7 Set point springs
8 Pilot valve
8.1 Filter
8.2 Restriction
8.3 Set point springs
9 Set point adjuster
10 Control line for upstream pressure p
1
11 Control line for downstream pressure p
2
12 Control line for control pressure (p
S
)
Fig. 3-1: Functional diagram