The design engineer should 4.2 specifications, predetermined hydraulic or pneumatic test pressure, temperature, dwell time and requirements in the test medium manufactured.
4.2 The design engineer shall, in accordance with the specification requirements, specify the water pressure or air pressure test pressure, temperature, pressure retention time and test medium requirements on the manufacturing map.
4.2 The Design Engineer shall specify the pressure, temperature, holding time and test medium requirements of water pressure or air pressure test on the manufacturing drawing according to the specification requirements.<br>