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John Guest Acetal shut off valve (for C02, N2 & liquids) 2 sizes from


this JG shut off valve is Suitable for C02, N2 and food grade liquids. (particularly liquids under pressure)

The John Guest 3/8"(10mm)   &  1/2" (12mm)  shut off valve features double 'O' Rings in each of the Speedfit ports  

they are designed for use with liquids or gas under pressure.


  • Push-fit technology
  • Quick disconnection without the need for tools
  • Long handles to operate a 1/4 turn action
  • Full bore mechanism
  • Suitable for air and inert gases and food grade beverages
  • Construction Acetal Copolymer, 
  • Max Pressure 150 Psi, 
  • Temp Range -14 To 167 Deg F For Air 
If you require a John Guest valve for liquids only not under pressure, the white polypropelene valves are suitable