wastewater air release valve

Triple Function Combination Sewage Air Release Valve Spill Free Full Flow Area Ductile Iron EPOXY Coated​​

SKAR - Sewage Combination Air Release Valve

. Advanced design with simple mechanism, strong fl oat to prevent cracking during sudden water hammer& quick closure.

. Window cage for upper stablizing
. No arms or levers to prevent vibrating, bending, direct closure of the float.

. Drain boss at the top & bottom for cleaning
. Bottom rubber buffer for collision prevention, and drain easy with proper holes around the cage during vacuum.
. Fully fusion epoxy coated inside and outside of valve body for long term services.
. Manufacturing standard meets BS EN1074-4, AWWA C512
. Flange drilling and dimension meets BS EN 1092 and BS EN 558 and ANSI flange.

Surface Treatment

We offer the following processes to choose:

1. Mechanical Polishing (MP) to improve brightness (gloss, matte)

2. Acid Cleaning for Anti-corrosion

3. Electrolysis Polish (EP) to improve surface smoothness

4. Custom Process: Bright Annealing treatment eliminate strees to improve toughness

Feature

Combination kinetic air release valve provide 3 functions:

1. Large air release during fi lling of the pipeline.

2. Small air release under pressurized pipeline.
3. Large air intake during draining of the pipeline.

Technical Data:

Size range: DN 50-200MM
Pressure ratings:1.0Mpa,1.6Mp (Flange)
Working temperature: -10°-80°C.
Flow media: sewage water.

Material:

Dimension: