water supply valve

Large air exhausting small air venting vacuum breaker Spill Free Triple function Sewage Combination air release valve

Features:

. Spill Free.

. Drain boss at the top & bottom for cleaning.

. No arms or levers to prevent vibrating, bending, direct closure of the fl oat.
. Fully fusion epoxy coated inside and outside of valve body for long term services.
. Manufacturing standard : BS EN1074-4, AWWA C512
. Flange drilling and dimension : BS EN 1092 and BS EN 558 and ANSI flange.

Functions:

Combination kinetic air release valve provide 3 functions:

1. Large air release

1-1. During filling the pipeline, float will stay at its original position. (open)

1-2. Let large air out of valve thru big nozzle.

2. Small air release

2-1.When the water level comes up to the top, float will be up to its close position and close the sealing arc- big orifice and small orifice.

2-2.The air (2% of solved air in water ) are continuously coming out from water and gather at the top of the valve.

2-3.The float will be driven down and let small pocket out thru small orifice.

2-4.The sealing arc will still be in close position until empty of water

3. Large air intake during draining of the pipeline.

3-1.Float will drop down when empty of pipeline.

3-2.Large air will come into the pipeline thru valve.

3-3.Preventing from collapse of pipeline and break vacuum.

3-4.Protect the sealing o-ring from clogging in the pipeline.

 
Service Fields: 
For sewage water system.

Technical Data: 
Size range: DN 50-200MM
Pressure ratings:1.0Mpa,1.6Mp (Flange)
Working temperature: -10°-80°C.
Flow media: sewage water.
Please consult factory for PN25 and antishock device whenever there is waterhammer issue.
 

 
Material:

 
 
Dimension:

Hunan Boquit Fluid Equipment Co Ltd., is specialist in design and production of high quality water valve, and has grown to become one of the leading manufacturers for fluid control valve. We design and manufacture a wide range of fluid valve,, such as float control valve, trunnion ball valve, water pressure reducing valve, rotary airlock valve, sanitary butterfly valve, hydraulic check valve,sewage air release valve, etc. Our constant technical innovation combined with stringent quality control systems has enabled us to deliver high performance and outstanding value in industrial applications.