Pneumatic control valve is a type of valve that uses compressed gas as its power source, a cylinder as its actuator, and accessories such as valve positioners, converters, solenoid valves, holding valves, gas filters, etc. to drive the valve and achieve on/off or proportional regulation. It receives control signals from industrial automation control systems to adjust various process parameters of pipeline media, such as flow rate, pressure, temperature, liquid level, etc. The characteristics of pneumatic control valves are simple control, fast response, and inherent safety, without the need for additional explosion-proof measures.
Precautions for use:
1. This valve should be stored in a dry room, and both ends of the passage must be blocked. No stacking or storage allowed
2. Regulating valves stored for a long time should be regularly inspected to remove dirt, and rust proof oil should be applied to all moving parts and processing surfaces to prevent rusting.
3. This valve should be installed on a horizontal pipeline and must be installed vertically. The valve stem is facing upwards.
4. The installation must be carried out according to the flow direction of the medium indicated by the arrow in the diagram.
Basic connection size:
Nominal diameter DN (mm) | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 400 | |
Rated flow coefficient Kv | Single seat | 8 | 12 | 20 | 32 | 50 | 80 | 120 | 200 | 280 | 450 | 700 | 1100 |
|
two-seater | 10 | 16 | 25 | 40 | 63 | 100 | 160 | 250 | 400 | 630 | 1000 | 1600 | 2700 |