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Pneumatic sleeve regulating valve introduction:
Structure: Pneumatic sleeve control valve is composed of valve body, valve cover, valve core, sleeve and pneumatic actuator. The body and bonnet are usually made of cast iron or steel and have a high pressure resistance. The spool and sleeve are made of stainless steel and have good corrosion resistance.
Working principle: The working principle of the pneumatic sleeve regulating valve is to control the movement of the valve core through the pneumatic actuator, so as to change the gap between the valve core and the sleeve, and then adjust the fluid flux. When the pneumatic actuator receives the control signal, the piston in the pneumatic actuator moves and drives the movement of the valve core by controlling the pressure and flow of the air source.
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VALVE BODY
| Type | Straight-through double-seat ball valve |
| Nominal diameter | DN15-DN400mm |
| Nominal pressure | PN16, 40, 64, ANSI150, 300, 600; |
| Connection form: | Flange type |
| Valve body material: | WCB, WC6, WC9, LCB, LC2, LC3, CF8, CF8M, etc. |
| Valve cover form: | Standard type (P): -17-+230℃ |
| Gland type: | Bolt pressing type |
| Filling: | PTFE V-shaped packing, PTFE asbestos and flexible graphite |
| Valve core form: | pressure balanced valve core |
| Adjustment characteristics: | equal percentage, linear |
| Internal parts materials: | 304, 304 surfacing STL, 316, 316 surfacing STL, 316L, etc. |
| Model: | film type |
| Diaphragm material: | ethylene-propylene rubber sandwiched with nylon |
| Spring range: | 20-100KPa, 40-200KPa, 80-240KPa |
| Air supply pressure: | 140KPa, 160KPa, 280KPa, 400KPa |
| Air source connector: | Rc1/4, Rc3/8 |
| Ambient temperature: | -30 ~ +70℃ |
| Mode of action: | air-opening type (reaction), air-closing type (direct action) |
| Remarks: | |
| ① This model of large diameter or high pressure differential regulating valve can also be equipped with a straight stroke piston actuator. | |
| ② If the ambient temperature is lower than -30℃, please contact Xipai technical personnel. |
| Leakage amount: | Metal valve seat: Complies with ANSI B16.104 Level IV |
| Non-metallic valve seat: | conforms to ANSI B 16.104 Class VI Accessories (configured upon request) Positioner, filter pressure reducing valve, hand wheel mechanism, limit switch, solenoid valve, valve position transmitter, air control valve, speed increaser, position keeping valve, etc. |
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Main Product:
Control Valves,
Butterfly Valve,
Magnetic Flow Meter ,
Gate Valve,
Ball Valve,
Globe Valve
