Water supply network to choose the valve (a)

Water supply pipe network is all kinds of pipes and valves and other pipeline accessories, which consists of parts. According to a variety of needs (the water pipe network, the scheduling and allocation of water pressure, maintenance, repair of the water needs of old and new pipeline connections, pipeline cleaning, etc.) every day for the opening and closing valves. And quality of life of the valve determines the normal operation of networks in the pipe network plays a central role in the need to pay close attention.



As the water supply pipe network is connected between the enterprises and the users of the bridge, it can say: a water quality of enterprise management network in the normal operation; and the water supply network of the normal operation, but also and valves and quality of life is closely related to the.



Below the water supply network on the valve selection, offer a few comments.



1, the safety of water supply



Valve does not affect the water quality is an important indicator of choice. Valve direct contact with water is some of the main body inside, sealing parts, valves, etc., many valve manufacturers rubber sealing parts. Commonly used rubber material is nitrile rubber (NBR), chloroprene rubber (CR) or ethylene-propylene rubber (EPDM). These rubber is synthetic rubber. In the synthesis process, to add more than 10 kinds of natural rubber materials and additives, etc. Anti-aging. Can the ultimate synthesis of rubber seal for the water supply valve must be to see whether such a non-toxic rubber, with the drinking water health standards. As for the inside of the valve and valve parts, etc., many manufacturers of the past methods of painting, only the rust problem, without considering whether or not toxic. In practice, we find that: the water supply network, the pipeline corrosion problem lining, and pipe network is not lined valves, due to the phenomenon of water and the precipitation of iron bacteria in the water valve and the valve cavity and the erosion deposition, resulting in a number of body wall-like hills there depositions. Not only affected the quality of water supplies for a number of valves at the same time one of the main reasons poor clearance. Therefore, we ask, they come in direct contact with the water areas, should be non-toxic paint spraying, electrostati
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