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2203 water system reducing valves products are offered for sale by suppliers on Alibaba.com, of which pressure reducing valves accounts for 17%, other valves accounts for 11%, and ball valves accounts for 8%. A wide variety of water system reducing valves options are available to you, such as normal temperature, medium temperature and high temperature.You can also choose from stainless steel, alloy and aluminum alloy water system reducing valves,as well as from black, white, and silver water system reducing valves,and whether water system reducing valves is screw, or air vent.