Samson 2404-2, Монтаж и эксплуатация

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3-2 EB 2540 EN
Design and principle of operation
3 2.4
4
1.1
2.2
1.2
1
p
2
p
S
p
1
p
1
p
e
p
2.1
2
2.3
2.5
Pilot valve
Inert gas
Tank
To atmosphere or
recovered for
processing
Needle valve (lead-
sealed setting)
Input pressure
regulator
Main valve
1 Main valve
1.1 Closing spring
1.2 Operating diaphragm
(main valve)
2 Pilot valve
2.1 Set point spring
2.2 Operating diaphragm
(pilot valve)
2.3
Set point adjuster (screw
SW 27/1
1 /
8
“)
2.4 Control line
2.5 Cap
3 Input pressure regulator
(fixed setting)
4 Needle valve (lead-
sealed setting)
p Supply pressure
p
1
Upstream pressure
(blanketing gas pressure)
p
2
Downstream pressure
p
S
Control pressure
p
e
Input pressure (pilot
valve)
Fig. 3-1: Functional diagram (based on DN 100) · Regulator in NPS 2½ to 16/DN 65 to 400