Double Orifice Air Release Valve

Festures of double air release valve

Body is provided with a shock-proof inner tube to protect the float；

Lower water pressure can be closed to prevent drainage；

When there is negative pressure, the piston quickly opens to breathe；

Stainless steel floating ball, long life.

Double Orifice Air Release Valve Working Principle

This water valveexhaust, buoy, by gravity pull down one end of the lever, the lever in the tilt state at this moment, in the leverage and vent contact appeared gap, air through the vent through the gap, with the air discharge, water level rise, buoy under the effect of the buoyancy of water float upwards, the lever on the seal face pressure on the porosity, gradually until the vent is completely blocked. The exhaust valve is now completely closed.

Double Orifice Air Release Valve Installation and Commissioning

When installing thedouble orifice air release valve, always install a protective valve on the front end to avoid stopping water from being tested. For specific use, please consult ZECO Valve Group.

Double Orifice Air Release Valve Material and Standard

Size Range: 2"~12"

Pressure Rating: 10bar ~ 25bar

Face to Face Dimensions: AMSE B16.10, EN558-1

Flange End Dimension: AMSE B16.1/16.42, AS4087, EN1092-2Coating:

Fusion Bonded Epoxy Coating

Inspection and Test: ISO 5208 / EN 12226-2

Part	Material	Standard
Body	Ductile Iron	EN 1563/DIN 1693
Bonnet	Ductile Iron	EN 1563/DIN 1693
Exhaust Hood	Ductile Iron	EN 1563/DIN 1693
Float Ball	Stainless Steel 431	EN10088-1/ASTM A959
Strainer	Stainless Steel 431	EN10088-1/ASTM A959
Tank	EPDM / NBR	ISO 4633
For the materials options not listed, consult factory. ZECO manufactures valves in more than 50 different alloys.

If you want to know more details of double acting air valve price listand double orifice air valve function, please visit our website.

As a water valve supplier, we will provide more high quality for sale, if you have needs, contact us.

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