EN
An Air Pressure Regulator is a key device used to stabilise, control and regulate the pressure of a compressed air system, ensuring that downstream equipment receives a constant and safe air pressure. It is widely used in industrial pneumatic systems, HVAC, medical equipment, automotive manufacturing and other fields.
FAQ
Q: What is the purpose of the air pressure regulator?
A: To reduce and stabilise unstable compressed air (from a compressor or storage tank) at a set pressure.
Prevents downstream equipment (e.g. cylinders, air tools) from being damaged or losing performance due to pressure fluctuations.
Q: How do I adjust the output pressure?
A: Observe the pressure gauge: confirm the current output pressure
Turn the adjustment knob: clockwise (usually for boosting), anti-clockwise (usually for reducing)
Dynamic Adjustment: Fine-tune during equipment operation to ensure stable pressure.
Q: Why is the output pressure unstable?
A: Reason: pressure fluctuation of air source (such as frequent starting and stopping of air compressor), solution: check whether the capacity of air compressor is matched, increase the buffer of air storage tank.
Reason: The regulator diaphragm/spool is worn or clogged, solution: clean or replace the diaphragm and spool.
Cause: Sudden change of downstream air consumption (e.g. simultaneous action of several cylinders), Solution: Select a regulator with larger flow rate (Cv value).
Cause: Air leakage (damaged joints or seals), solution: check the pipeline sealing, replace the O-ring or tighten the joints.
Types of Air Pressure Regulators
| Type | Characteristics | Typical Applications |
| General Pressure Reducing Valve | Manual regulation, economical and practical, suitable for general pneumatic system. | Factory pneumatic tools, cylinder control. |
| Precision Regulator | High precision (within ±1%), high stability, suitable for sensitive equipment. | Medical equipment, laboratory instruments, semiconductor manufacturing. |
| Pilot Operated Pressure Reducing Valves | Utilising pilot air circuit control, fast response, suitable for high flow or high pressure systems. | Large air pressure stations, industrial automated production lines. |
| Regulators with Pressure Gauge | Built-in pressure gauge, visual display of input/output pressure for easy monitoring. | Maintenance, testing, pneumatic system debugging. |
| Electromagnetic proportional valve | Electrical signal control output pressure, programmable adjustment, for automation system. | Robots, CNC machine tools, intelligent control. |
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