General description The John Guest Speedfit Plastic Service Valve 22mm (22SV) is designed for connecting plastic or copper pipes. This innovative service valve allows for the isolation of water flow to fixtures or appliances, making it ideal for emergency situations or maintenance work. Its unique design enables it to be rotated in situ to prevent tampering, ensuring reliability and security. Technical specifications Size: 22mm Installation method: Instant push-fit Isolation method: 1/4 turn screwdriver slot Material: Plastic with stainless steel teeth Seal type: Main O-Ring seal Compatible pipes: Speedfit PEX, polybutylene plastic pipe (inserts required), and copper pipe Suitable for: Hot and cold water (not suitable for central heating) Installation Push the valve fully onto the pipe for installation. To demount, push the collet towards the body of the fitting and pull the pipe release. Installation is tool-free and can be completed in seconds. Usage Isolate water flow to fixtures