SANJING Alarm Check Valve is core element in wet pipe fire sprinkler systems. It serves a dual purpose which prevents a reverse flow of water (non-return), also provides for the use of the water motor
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Environmental protection and pollution-free: Water is a natural resource, and the use of water to fight fire will not produce carbon dioxide and other harmful gases, and will not pollute the
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Shenyang SNEJ Wood Industry Co.,Ltd: A manufacturer of interior doors, kitchen cabinet and open closet that perfectly combines environmental protection, health and modern home furnishings.
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