Double Orifice Air Release Valve

ZECO Valve Group, founded in 1991 with focus on manufacturing china water valve, including control valves, balancing valves, gate valve, butterfly valves, check valves, and air valves. Valve sizing 1/2” to 88”, rating BS 10bar through BS 25bar, served covering buildings & construction, waterworks, fire protection and many other fields. ZECO has excellent product quality and sound managing system.

Basic information of Double Orifice Air Release Valve

This double air valve is a pipeline will be matched equipment, apply to the temperature does not exceed 100 ℃ water, hot water pipe on the pipe from the air.

Features of Double Orifice Air Valve

1. Body is provided with a shock-proof inner tube to protect the float；
2. Lower water pressure can be closed to prevent drainage；
3. When there is negative pressure, the piston quickly opens to breathe；
4. Stainless steel floating ball, long life.

Principle of Double Orifice Air Valve

This os & y type gate valve exhaust, 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.

Installation and Commissioning of Double Orifice Air Release Valve

When installing the single 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.

Product scope, Standards & Materials of Double Orifice Air Release Valve

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, EN1092-2
Coating: Fusion Bonded Epoxy Coating
Inspection and Test: ISO 5208 / EN 12226-2