Single seat control valve
4 month ago
The working principle of the pneumatic single-seat regulating valve is to control the opening and closing of the valve core through a pneumatic actuator, thereby regulating the flow of the medium. When the pneumatic actuator receives a control signal, it will push the valve core open or close through the action of compressed air, changing the channel area of the medium through the valve body, thereby adjusting the flow rate.
Pneumatic single-seat control valve has the following characteristics:
1. Precise control: By adjusting the pressure and signal of the pneumatic actuator, precise flow adjustment can be achieved to meet process requirements.
2. Fast response: The pneumatic actuator has a fast response speed and can realize rapid opening and closing of the valve core, which is suitable for occasions that require rapid adjustment.
3. High reliability: The pneumatic actuator is driven by pneumatic and has no electric components, so it has high reliability and durability.
Our company’s main products include Pneumatic Control Valve、Pneumatic Ball Valve、Electric Control Valve、 Fluorine Lined Valve、 Precession Vortex Flowmeter、 Throttling Gear.
VALVE BODY
| Type | straight single 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 |
| Spool form: | upper guide single seat plunger spool |
| Adjustment characteristics: | equal percentage, linear, fast opening |
| Internal parts materials: | 304, 304 surfacing STL, 316, 316 surfacing STL, 316L, 17-4PH, etc |
| Pneumatic actuator | |
| Model: | Film type |
| Film material: | ethylene propylene rubber sandwiched nylon |
| Spring range: | 20-100KPa, 40-200KPa, 80-240KPa |
| Gas supply pressure: | 140KPa, 160KPa, 280KPa, 400KPa |
| Air source connector: | Rc1/4, Rc3/8 |
| Ambient temperature: | -30 ~ +70℃ |
| Action form: | gas open (reaction), gas close (positive action) |
| Note： | ① This type of large diameter or high pressure difference regulating valve can also be equipped with straight stroke piston actuators. |
| ② If the ambient temperature is lower than -30 ° C, please contact the western technical personnel. |
| Leakage: | Metal valve seat: Complies with ANSI B16.104 Level IV |
| Non-metallic valve seat: | conforms to ANSI B16.104 Class VI |
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Main Product:
Control Valves,
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Magnetic Flow Meter ,
Gate Valve,
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Globe Valve
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