Fuel tank pressure relief valve test 737NG

Описание к видео Fuel tank pressure relief valve test 737NG

A short video about the scheduled test during a C-check of the wing fuel tank pressure relief valve. The valve should open at 1.25 psi pressure difference between the fuel tank and ambient pressure. This test involves a tool which creates a vacuum on the outside, simulating a higher pressure inside the fuel tank. The valve in this test opens at 1.27 psi which is considered as ok for the value of 1,25 psi.

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