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This valve is suitable for the water pipeline, as the equipment to discharge the air in the pipeline and protect the system. It’s installed at the highest point of the horizontal pipeline.
This valve is an automatic valve, it has two cavity, one is big and one is small.The big cavity can exhaust and inhale air of a large quantity. The small cavity can exhaust and inhale air of a little quantity when the pipeline is full of water. The inhaling function is used to prevent damage of pipeline in that negative pressure is occured when the pump is stopped.
Suitable medium: Water, sea water, etc.
Type of sealing : soft sealing .
Type of control : automatic.
Material:grey cast iron, ductile cast iron, carbon steel,stainless steel.
Standard: GB, BS, ASME, JIS, DIN, EN, ISO and other country, also can be produced according to user’s requirements.