MPG 25001 Standards: ASME B31, CSA ICC ES PMG 1036, CSA Max. Pressure: 125 psi Item: Coupling with Stop Tube Fitting Material: Carbon Steel Fitting Connection Type: Press x Press Basic Fitting Material: Metal Basic Fitting Shape: Coupling Compliance: ANSI/CSA LC-4 Specific Fitting Shape: Coupling Temp. Range: -40 Degrees to 180 Degrees F Pipe Size – Pipe Fitting: 1/2″ x 1/2″ Tube Size: 1/2″ Country of Origin (subject to change): Germany .