Product description
Body/valve casing
Casting pig: ductile iron
Disc: rubber assembly
Spring: stainless steel
The flap of this valve is coated with rubber on its outer layer and its switching duration can be up to 1 million times
It is, with the full-flow area design, features by small head loss, not easy piled-up of foreign matters and simple repair
Suitable for the water supply and drainage system, mounted in the pipeline or on the pump outlet, prevents both pump and pipeline from being damaged due to medium's back-flow and water hammer
It can also be mounted on the by-pass pipe for water in and out of a reservoir to assist the water of the reservoir to flow back to the water supply system