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Working Temperature Range
Minimum Working Temperature = -20°C
Maximum Working Temperature = +70°C
The above is for use with air. For below 0°C please consult our Customer Services Department.
Working Pressure
The John Guest Compressed Air System is suitable for the following temperatures and pressures.
Temperature | Pressure | |
+23°C | 10 BAR | |
+70°C | 7 BAR |
Pipe Tolerances
These John Guest fittings are intended for pipes with outside diameters to the following tolerances
Size | 12mm to 28mm OD |
Tolerance | +0.05 to -0.10mm OD |
Maximum Torque Values
The following maximum torque values should be applied.
Size | 3/8″ | 1/2″ | 3/4″ | 1″ |
Plastic threads | 3.0Nm | 3.0Nm | 4.0Nm | 4.0Nm |
Metal threads | N/A | 4.0Nm | 5.0Nm | 5.0Nm |
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