Check valves

     
  Disc check valves

More compact tilting check valve.

  • Body material: carbon steel;
  • Disc material: stainless steel
  • O-ring: EPDM, NBR, VITON;
  • Materials: gunmetal, cast iron, carbon, alloy, stainless steel

 

  • Pressure: PN10 - PN25
  • Possible diameters: DN15 - DN600
  • Temperature: up to +180°C
  • Enviroment: water, steam.
     
  Disc check valves

A tilting check valve.

  • Construction: with spring, without spring.
  • Mounting: vertical, horizontal.

Applications: nitrogen, ammonia, fuel oil products (lube oil, benzene, kerosene, diesel oil, heavy oil (mazout)), butane, water, steam, acetone, hydrogen, oxygen, ethyl alcohol, methyl alcohol, not containing solid particles.

 

  • Materials: gunmetal, cast iron, carbon, alloy, stainless steel.
  • Connection type: interflanged, socket, flanged.
  • Temperature up to +525 °С
  • DN 8 - 1000
  • PN 10 - 100
     
  Check ball valve for much polluted mediums.

The ball is built-in into the valve body.


Materials: body – cast iron (for DN400 - steel), ball – aluminium with different coating (depend on material).

 

  • Connection type: flanged, socket.
  • Temperature up to +80 °С
  • DN 15-400
  • PN 10
     
  Rubber check valves for polluted mediums

Simple, reliable construction for protection against backflow.


These valves do not require maintenance and repair, because there are no sliding, rotating and spring-mounted details, and also mounting seat.


Materials: EPDM, viton, neopren, hypalon, buna-n.

  • Connection type: flanged, with clamps.
  • Temperature up to +200 °С
  • DN 25-2400
  • PN 10