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Pneumatic Control Valves
Pnumatic Control Valve
PNUMATIC CONTROL VALVE SINGLE PORTED, UNBALANCED
SPECIFICATION
VLVE BODIES :-
Rating :- 150# to 900#
Material :- C.I, C.S, S.S. Bronze
Sizes :- ½” to 4”
End connection :- Cast iron : 250lb. screwed, ½” through 2”
: 125lb. flg. 1 ½” through 4”
: 250 lb.flg. 1 ½” through 4”
w.c.b : 300 lb. screwed, ½” through 2”
:150 lb.flg. 1 ½” through 4”
: 300 lb.flg. 1 ½” through 4”
VALVES PLUGS :-
Material :- 316 Stainless steel
316 Stainless steel, Stellited; (Standard)
410 Stainless Steel, Hardended; and Bronze.Shaps :- Micro-taper, liner & percentage contoured needle, ported & quick Opening.
SEAT RINGS :-
Material :- Removable seart ring, 316 stainless steel;
316 stainless steel, stellited; 410 stainless steel, stelited; and bronzeGUIDING :- Micro-taper Ported Poart fuiding
On – Off
Liner & Percentage contoured needle – top guided
MAXIMUM OPERATING TEMPERATURE :- 450* F. cast iron
500* F. cast bronzeCHARACTERISTIC :- Percentage, liner, modified liner and on-off see flow
Characteristic chart.BONNETS :- Regular bonnets for temperatures 0* F. to 450* F.(cast iron)
And 500* F. (Cast bronze).PACKING :- Molded ring, Teflon-chevron or Teflon-asbestos Grafole.
YOKES :- Cast iron or aluminium .
ACTUATORS :- Diaprhagm actuators, or manual actuators.
APPLICATION :- Diaprhagm actuators, or manual actuators.
PNUMATIC CONTROL VALVE DOUBLE PORTED DESIGN
SPECIFICATION
VALVE BODIES :-
Material :- C.I., C.S., S.S.
Sizes :- 2 ½” to 4”
Rating :- 600#
End connection :- Butt weld end 2 ½” through 4” 600 lb. flg. 2 ½” through 4”
VALVES PLUGS :-Material :- 316 stainless steel,
316 stainless steel, stellitedShaps :- Percentage contoured 2 ½” -4”
Liner contoured 2 ½” – 4”
Quick opening 2 ½” – 4”SEAT RINGS :-
Material :- 316 stainless steel,
316 stainless steel, stellitedGUIDING :- Renewable self aligning top and bottom guiodes 17-4 PH stainless steel or stellited steel for high pressure differential.
CHARACTERISTIC:- Percentage, Liner
CHARACTERISTIC :- Percentage, liner, modified liner and on-off see flow
Characteristic chart.BONNETS :- Ragular bonnets for temperature from 0*F. to 500* F. Thermo-isoloting bonnets for high temperature to body material limit.
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