High pressure restore Valve: one type of valve structure, due to streamline internal contour and minimum fluid flow, it will disperse relatively few fluid energy. Therefore, in the valve shrinkage flow cross-section downstream pressure will be restored to the inlet pressure of a high percentage. Straight flow valve, such as rotary valve is typical high pressure restore valve. Intrinsic diaphragm slice pressure range: When body inner pressure is atmospheric pressure, acting on diaphragm to produce rated core trip pressure high and low value. This range is usually refers to the spring setting value range, because when the valve is setted in the work scope, the range will be valve acting scope.

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2012-06-08

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