Single Check Valve
- Used in water systems to prevent back flow for contamination risks for category 2 fluid according to EN 1717
- DZR lead free brass body
- Design to BS 5154 and BS EN 13959
- WRAS approved cartridge
- Thread end ½” to 2”
- Working pressure PN16
Double Check Valve
- Double check valves are used to prevent the risk of backflow and back siphonage contamination in domestic dwellings, public and commercial buildings
- WRAS approved
- Compression version supplied with ends complying with BS EN 1254-2 for use with BS EN 1057 R250 (half hard) copper tube or female taper threads complying with BS EN 10226-2
- Shell pressure rating for Fig. 250W and Fig. 250CW is PN16 with a maximum inlet/working pressure of 10 bar
- Compliant with BS EN 13959 ‘Anti- pollution check valves’ family E type D
- DZR brass body
- Compression end 15-28mm
- Thread end ½” to 2”
Swing Check Valve
- Bronze body
- Check valves permit flow in one direction only and close automatically if flow reverses. They are entirely automatic in action, depending upon pressure and velocity of flow within the line to perform their functions of opening and closing
- PN25
- DN ¾"-2"
Check Valve
Single Non-Return Valve
- Spring loaded axially guided disc, for use in domestic water systems.
- Cast iron body
- PN16
- DN50-300
Single Union Ball Check Valve
- Prevent black flow in horizontal or vertical lines. Require minimal back pressure to seat completely
- Plastic valve – uPVC body with EPDM seat
- Plain or screw end
- For flushing application
- DN15-100
PVC Swing Check Valve
- The SWING CHECK VALVE prevents backflow, thus protecting equipment, such as a pump.
- Being of an swing arm type, the valve gives little resistance to flow.
- The SWING CHECK VALVE is highly resistant to corrosive chemicals, acid and alkaline, because of its plastic construction.
- To maintain the SWING CHECK VALVE, only the bonnet lid has to be removed, without taking the body out of pipeline.
- DN 15-200mm
- PN 10 (15-80mm)
Ball Check Valve
- The Watts W-HQ41X-16Q Ball Check Valve is designed to automatically open and close the spherical valve disc by the flow of medium itself, which is used to prevent the backflow of medium.
- PN16
- DN50-250
