Fire hydrant test pressure

2021-12-02View Original

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The system pressure is 0.85 MPa. Why do some people say the test pressure should be 0.85*1.3+0.4? Why not simply use 1.4 MPa?

Reply #22021-12-03

For details, see Article 12.4 on pressure testing and flushing in the Technical Code for Fire Water Supply and Fire Hydrant Systems GB50974-2014

Reply #32021-12-07

I’ve seen this, but I just don’t know how 1.3 came about

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Fire hydrant test pressure

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