Home / Fittings / Quick-Connect Fittings / John Guest Female Adaptor BLACK ACETAL - 4mm x 1/8 BSP
John Guest

John Guest Female Adaptor BLACK ACETAL - 4mm x 1/8 BSP

Part Number: PM450411E
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The John Guest female adapter makes connecting OD tubing to male BSPP threads quick and easy. Manufactured in black acetal with food grade nitrile O-ring, these fittings are suitable for foodstuff and potable liquids. They are also suitable for air and inert gases therefore can be used for CO2 and nitrogen beverage gas lines, pneumatics, vacuum as well as other applications.


  • Push-fit Technology creates reliable, leak-free connections
  • Used to connect OD tubing to male BSPP Threads
  • Compatible with plastic or copper OD sized tubing
  • Connect, disconnect, and reconnect in seconds without tools
  • Food Quality and suitable for potable liquids and pure water applications
  • Can be used for air/pneumatic & vacuum applications
  • Acetal body with Nitrile O-Ring
  • Made with lead free materials

Working pressure and temperature: 

  • Max. 230 psi at 68° F
  • Max. 150 psi at 150° F

California residents Prop 65 Warning
This product contains materials known to the State of California to cause cancer and birth defects or other reproductive harm. www.p65warnings.ca.gov