The Basic Performance And Design Standards of Pressure Reducing Valve

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The basic performance and design standards of pressure reducing valve

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The basic performance and design standards of pressure reducing valve

Source:http://www.flowxgroup.com/Update Time:2014-04-15Hits:

Basic properties

(1) voltage range: it refers to the valve output pressure P2 of the adjustable range, meet the requirements in this range accuracy. The major areas of voltage regulator and the stiffness of the spring.

(2) the pressure characteristics: it refers to the flow g as the set value, the pressure fluctuations caused by the input output characteristics of pressure fluctuations. Smaller fluctuations in the output pressure, the better the characteristics of pressure reducing valve. Output pressure must be less than the input pressure - basically do not value it with the input pressure change.

(3) the flow characteristics: it refers to the input pressure - from time to time, holding the output pressure of the output flow and change of G. G when the flow changes, the output pressure changes as small as possible. Generally the lower the output pressure, which changes with fluctuations in the output flow smaller.

Design standard

Standard code name of standard

JIS B3372-1982 pressure relief valves for compressed air

Pressure reducing valve for JIS B8410-1990

GB/T 10868-1989 station temperature and pressure reducing valve knowledge condition

The general condition of GB/T 12244-1989 pressure reducing valve

GB/T 12245-1989 valve West can test method

GT/T 12246-1989 pilot valve

CB/T 3656-1994 water pressure reducing valve

Air pressure reducing valve for CB/T 3656-1994 ship

With the water supply system pressure relief valve ASTM F1370-1992 ship

JB/T 53265-1994 pilot operated pressure reducing valves grading of product quality

AWWA C511-1992 reduced pressure backflow valve assembly

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