What are the working pressures and temperature ratings for the John Guest® Super Speedfit® fittings?

Super Speedfit® fittings are suitable for the following pressures and temperatures.
Acetal Fittings

Temp.

Pressure

5/32” – 5/16”

4mm – 8mm

3/8” -1/2”

10mm – 22mm

Air

-4°F

230 PSI

150 PSI

-20°C

(16 Bar)

(10 Bar)

Potable Liquids and Air

+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)


Polypropylene Fittings

Temp.

Pressure

Water

+70°F

150 PSI

+20°C

(10 Bar)

+140°F

60 PSI

+60°C

(4 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.

Article Title:
What are the working pressures and temperature ratings for the John Guest® Super Speedfit® fittings?
Article Summary:
Working pressure and temperature range for Acetal fittings
Article Date:
1/24/2012
Article ID:
947
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