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Explosion-proof pressure reducing valve safety: do not pay attention to safety easily lead to disaster! Loss will be heavy! 1 corrosive media: the choice of plastic valve and stainless steel; for the corrosive medium must use isolation diaphragm. Example CD-F. Z3CF. Neutral medium, copper alloy should also be used as the valve housing material of the valve, otherwise, the valve housing often rust off, especially occasions not frequent movements. Ammonia valves can not use copper. 2. Explosive environment: you must choose the appropriate level of explosion-proof products, open-air installation or dust should be more occasions use waterproof, dustproof varieties. 3. Explosion-proof valve nominal pressure should exceed the maximum working pressure in the pipe. 4, the use of pressure reducing valve in different environments are not the same, the environmental conditions points: (1), the maximum and minimum temperature of the environment should be selected within the allowable range, if there is excess to be made for special orders. (2), the environment is high relative humidity and rain drops and other occasions, the election should be waterproof valve (3), the environment often have vibration, bump and impact occasions such as special varieties should be selected, such as marine valves. (4) Corrosive or explosive environments should be used with priority given to corrosion resistance (5). If the environment is limited, please use a multi-functional pressure relief valve, which eliminates the need for bypass and Three manual valves and easy on-line maintenance.