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4.
Operation
When the adjusting screw(⑪,⑫) connected to the handle (④,
⑨) are extended and the spindle(⑧,⑥) opens the valve(⑦,⑤).When the valve opens, the steam flowing to the
outlet side passes through the reduced pressure detection hole, and becomes an upwardly directed pressure under
the bellows and balances the force of the spring. The degree of valve opening is adjusted by the balancing of inlet
and reduced pressures, there by stabilizing reduced pressure.
15A,20A,25A
15A,20A,25A
No.
Parts Name
Body
1
Spring chamber
2
Cap
3
Handle
4
Valve Seat
6
Valve
7
Spindle
8
No.
Parts Name
Screen
9
Bellows
10
Adjusting Screw
11
Spring
12
Spring
13
Bolts
15
pushes the spring(⑫,⑬)，the bellows(⑩,
)
40A,50A
40A,50A
No.
Parts Name
Body
1
Spring chamber
2
Cap
3
Handle
22
Valve Seat
4
Valve
5
Spindle
6
2
No.
Parts Name
Screen
8
Bellows
9
Adjusting Screw
12
Spring
13
Spring
7
Bolts
19
■PDT－136a■
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