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Double Ball Air Exhaust valve

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Double orifice air valve is one normal type of exhaust valve in the long big piping transport, which is normally mounted on the top of the pipe or pipe air holding place to discharge the air in the pipe, When the power supply for the pump is off, pump is stopped working, there will be negative pressure inside of pipeline, there will be vibration or break happened. Then, the air valve will work to suck into air quickly, keep the pressure inside the pipeline to be safe, making sure the pipe work normally. Our valves can remove the air existed in the pipe more flexible, preventing of the pressure fluctuation or other damages in the piping system. Double orifice air valve is applicable especially to the main water pipes and deep well pumps piping system.

Additional information

Body

Ductile iron

Connect

Flange

Size

DN50-300

Media

Water

Ball

SS304

Product Details:

Characteristics

· Discharge air more flexible

· Preventing of the water hammer

· Discharge the air slowly

· Safer self-protection

· Small volume, light weight, small exhaust flow

· Long service life

Material

· Body: Ductile iron EN-GJS-400-15 (GGG-40)
· Bonnet: Ductile iron EN-GJS-400-15 (GGG-40)
· Bonnet bolts: Stainless steel A2 (DIN EN ISO 3506)
· Ball: SS304/Wooden with EPDM
· Internally and externally epoxy coated

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