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Connector With Flange For Limiting Buckle Propagation Comprising A Differential Pressure Valve For Underwater Fluid-Transport Pipe
Connector With Flange For Limiting Buckle Propagation Comprising A Differential Pressure Valve For Underwater Fluid-Transport Pipe
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机译:带法兰的接头,用于限制带扣的传播,包括一个用于水下流体输送管道的差压阀
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摘要
A junction part having a differential pressure valve (100) for an undersea fluid transport pipe, the valve having a valve body (102) with an internal chamber (106) opening out at one end into the pipe and at another end to the outside, a piston (110) arranged to subdivide the internal chamber into an admission chamber (106a) and a discharge chamber (106b), the piston being movable between an open position where admission chamber and the discharge chamber communicate with each other, and a closed position where the admission chamber and the discharge chamber are scaled from each other, a rating screw (112) screwed into the valve body and including a bore (114) within which there slides a rod (116) of the piston (110), and at least one hole (118) opening out into the discharge chamber and open to the outside, and a spring (120) rated so as to hold the piston in the closed position below a predetermined threshold pressure inside the admission chamber.
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