Clean Water Air Release Valve

Clean Water Air Release Valve

Basic information
Basic information
This valve is installed at the highest point of the pipe or where there is a closed air, which is used to discharge the gas in the pipe and make the pipe run normally.
Features
Features
1. Can be a large amount of exhaust, improve water efficiency pump;
2. Can be a small amount of exhaust, make sure the pipe is full of water;
3. Interface with filter screen, filter impurities, long life;
4. Float ball is made of SS304, resistant to corrosion.
Principle
Principle
At the beginning of the pump, a large diameter is used to remove a large amount of gas in the pipeline to improve the water efficiency of the pump; When the pipe is normally supplied with water, trace gases are discharged through holes in the piston rod to ensure the pipe is fully supplied. 
Installation and Commissioning
Installation and Commissioning
Install a gate valve in front of the valve for the next installation and maintenance. If the discharge valve is in the pipeline where the water is frequently cut off, it is recommended to install a buffer valve in front of the discharge valve.  For specific use, please consult ZhengFeng Valve Group.

Part

Material

Standard

Body

Ductile Iron

EN 1563/DIN 1693

Bonnet

Ductile Iron

EN 1563/DIN 1693

Exhaust Hood

EPDM / NBR

ISO 4633

Float Ball

Stainless Steel 431

EN10088-1/ASTM A959

Piston Rack

Stainless Steel 431

EN10088-1/ASTM A959

Tank

EPDM / NBR

ISO 4633

For the materials options not listed, consult factory.

ZhengFeng manufactures valves in more than 50 different alloys.

Product scope, Standards & Materials
Size Range: 3/4"~2"
Pressure Rating: 10bar ~ 25bar
Face to Face Dimensions: EN 558-1, ASME B 16.10
Flange End Dimension: BS 21
Coating: Fusion Bonded Epoxy Coating
Inspection and Test: ISO 5208 / EN 12226-2

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