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Pneumatic Operated Valves;- Application: Used for normally open, closed two position control of steam, liquids, air, oil brine or other non-combustible
gases, heat exchange systems and as a power failure valve where tight
shut off is required.
Construction:
Single sated, straight through globe body with high lift plug, spring
loaded self adjusting packing. Pneumatic actuator is equipped with
reinforced diaphragm. The diaphragm is enclosed in cast iron housing
with spring assembly. Valves suitable for use with control air pressure
of 5 PSI to 20 PSI.
Valve Body Specification Size:
Screwed 200 through 50mm. Flanged 65mm through 200mm.
Flow Characteristics: Constant total flow throughout full
plug travel.
Body: Standard Cast Iron
Optional Stainless Steel, Gun Metal, Cast Steel
Packing:
Teflon cones spring loaded self adjusting
Stem:
Stainless Steel
Plug: Standard Brass
Valve Size mm
|
CV
|
Recommended Maximum Pressure Differential
|
Maximum Temperature of Fluid
|
Maximum Pressure of Fluid
|
Normal Limiting Factor
|
12
|
2.5
|
20 PSI |
240 F |
150 PSI Screwed
125 PSI flanged
|
Maximum Pressure Differential
|
12
|
4.0
|
20
|
6.3
|
| 25 |
10.0
|
| 35 |
16.0
|
| 10 |
25.0
|
| 50 |
40.0
|
| 65 |
63.0
|
| 75 |
100.0
|
| 100 |
160.0
|
| 125 |
250.0
|
| 150 |
360.3
|
200
|
600.0
|
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