Super Speedfit® fittings are suitable for the following pressures and temperatures.
|5/32" – 5/16"|
4mm – 8mm
10mm – 22mm
|Potable Liquids and Air|
|-4°F||230 psi||150 psi|
|-20°C||(16 Bar)||(10 Bar)|
|+33°F||230 psi||150 psi|
|+1°C||(16 Bar)||(10 Bar)|
|+68°F||230 psi||150 psi|
|+20°C||(16 Bar)||(10 Bar)|
|+150°F||150 psi||100 psi|
|+65°C||(10 Bar)||(7 Bar)|
The minimum temperature for the polypropylene is 33°F/1°C.
The polypropylene fittings are not suitable for compressed air application. The acetal Super Speedfit® fittings are what they recommended for compressed air applications.
Title: What are the working pressures and temperature ratings for the John Guest® Super Speedfit® fittings?
Description: Working pressure and temperature range for Acetal fittings
Last Edited: 1/19/2023
The information contained in this article is for general information purposes only. The information is provided by
United States Plastic Corp. and while we endeavor to keep the information up to date and correct, we make no representations or
warranties of any kind, express or implied, about the completeness, accuracy, reliability, suitability or availability with
respect to the website or the information, products, services, or related graphics contained on the website for any purpose.
Any reliance you place on such information is therefore strictly at your own risk.
In no event will we be liable for any loss or damage including without limitation, indirect or consequential loss
or damage, or any loss or damage whatsoever arising from loss of materials, time or profits arising out of,
or in connection with, the use of this information.