
These valves are primarily used to remove air from Pipe Line when initially they are charged with water or fluids. It also helps in removing any trapped air during the operations.
When pipe lines are discharged with water or fluids it release air in the pipe line for quicker discharge of fluid to empty the line.
Type of Valves: Single Ball/Double Ball/Kinetic.
Operation: Automatic.
Part | Single Ball Small Orifice/Large Orifice | Double Ball Type | Kinetic Type |
---|---|---|---|
Body/Cover/Disc | Cast Iron / Cast Steel | Cast Iron / Cast Steel | Cast Iron / Cast Steel |
Ball | Natural Rubber Coated wooden/Stainless Steel | Rubber Coated / Vulcanized | Rubber Coated / Vulcanized |
Orifices HP | Bronze/Stainless Steel | Bronze/Stainless Steel | Bronze/Stainless Steel |
Orifices LP | Rubber | Rubber | Rubber |
Ends | Flanged to customer requirement | Flanged to customer requirement | Flanged to customer requirement |
Standard | IS14845 Fig 1 (S1 & S2) | IS 14845 Fig 3 B (DS2) | IS 14845 Fig 4 (DK) |
Rating | PN 1.0/1.6 | PN 1.0/1.6 | PN 1.0/1.6 |