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Hello guys! Recently I specified a flexible metal hose for N2 service that is conected a reciprocating compresor nozzle. Operation condition: Pressure: 440 psig Temperature: 40°C When I bought it a more experience engineer, said that we have a standard that said that is not recomended use...

Hello, MJCronin. Thank's for your answer. I hadn't searched for other threads on this topics. Is my first time on forum. I will look for the same topics. Agree with you the boss always prefers the pneumatic test independent of the case, with us assigning all responsibility. Pennpiper. You're...

Pennpiper Thank's for answer. I kept the hydrostatic due to security. But in cases where hydrostatic is not possible, how we do?

During my work last week, I was asked about the possibility to change the hydrostatic leak test for pneumatic leak test. The line condition is: Fluid: Steam Temperature: 650°F Design Pressure: 275 Psig At first the test was specified in accor with ASME B31.3 Hydrostatic leak test 345.4.2 Test...