info@shxvalve.cominfo@shxvalve.com
Tel:+86-17717520739
Email：info@shxvalve.com
Address: NO.720, Suide Road, Jiading District,Shanghai, China.
Model：
| Pneumatic control valve Body type: |
straight through casting globe type |
| Spool type: | non-balanced single seat plug type |
| Nominal size: | DN15~25,、 NPS 1/2〞~ 1〞 |
| Nominal pressure: | PN16 ~ 320、 CLASS 150LB ~ 1500LB |
| Connection: flange: | FF、RF、MF、RTJ |
| Welding: | SW、BW |
| Flange dimension: | According to to IEC 60534 |
| Pneumatic small flow control regulating valve Bonnet type: | Ⅰ:standard type（-20℃~230℃） Ⅱ:Radiator type: （-45℃~ high than 230℃ occasion） Ⅲ:Low temperature extended type（-196℃~ -45℃） Ⅳ:Bellow seal type Ⅴ:Warm insulation Jacket type |
| Packing: | V type PFTE packing, flex. graphite packing, etc. |
| Gasket: | Metal graphite packing |
| Pneumatic control valve actuator: | Pneumatic: multi-spring diaphragm actuator, piston type actuator. |
| Pneumatic small flow control regulating valve Flow characteristic |
Linear, percentage, quick open | |
| Allowable range | 30: 1 | |
| Rated Cv value | CV 0.01-1.0 | |
| Pneumatic control valve Allowable leakage | Metal seal: IV grade（0.01% rated capacity） Leakage standard: GB/T 4213 |
|
| Pneumatic small flow control regulating valve Performance | ||
| Intrinsic error % | ±1.5 | |
| Return difference, % | ≤1.5 | |
| Dead zone, % | ≤0.6 | |
| Difference from beginning to end point, % | ±2.5 | |
| Rated travel difference, % | ≤2.5 | |
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