Swing Check Valve(DN50~400)
Product description :
DESN provides no impact sound rubber flap check valve has unique, satisfy the requirements more stringent; the rubber check valve not only zero leakage, because the valve flap is fully coated with NBR rubber device and a 40 degree angle, can greatly reduce the water hammer and the water hammer.
Characteristic:
- The whole valve cover glue, to ensure the purity of the media, long service life.
- Low pressure, low pressure sealing performance.
- Basin design, small head loss.
- Low pressure opening and closing performance is good.
- Can be equipped with hydraulic buffer cylinder, increase slow closing function.
- Body surface spray powder epoxy resin, good corrosion resistance.
- Valve with NBR rubber coating, corrosion resistance, and good sealing performance.
- The utility model has the advantages of simple structure, and only an elastic valve disc is arranged inside the valve body.
- Full flow design, small head loss, not easy to accumulate debris, easy maintenance.
Nominal diameter : DN50~600mm
Nominal pressure : 1.0/1.6MPa
Seal test : 1.1PN
Shell test : 1.5PN
Working temperature : -10 ~120
Flange dimensions: ISO 7005
Working medium : water / sewage / neutral oil
Valve body length standard : ISO 5752