Product description:
HS41X backflow preventer (anti-pollution cut-off valve) is based on the current water supply network, which causes serious pollution due to backflow; our unit introduces foreign advanced technology to develop a new, safe and reliable hydraulic control valve that prevents backflow pollution of drinking water. To ensure the sanitation and safety of living and drinking, to fill the gap in the field of domestic valves. The first and second-level check valves are mainly composed of valve body, valve cover, valve disc, gasket, spring and so on. The ordinary type is composed of two check valves connected in series, without safety drainage. The secondary product has the characteristics of reasonable structure, convenient use, strong sealing performance, durable and beautiful appearance. Products are widely used in electric power, metallurgy, petroleum, chemical industry, gas, urban construction, papermaking, textile, medicine, food, shipbuilding, water supply and drainage, energy, drilling and other departments.
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