Xinhai rubber check valve is made of Xinhai 35 wear resistant rubber with strong wear and corrosive resistance. Experiment shows that it be immersed in a concentration of 30% sulfuric acid or alkaline solutions; 48 hours later, the performance of the rubber has no obvious change, so the applicable range is very wide.
07/01/2015· Rubber Check Valve. 1What are the types of rubber check valve? Flange type: the rubber flange, valve body and the duckbill combined together with the backing strap can be naturally connected with the metal flange, directly installed in the tank body, pipeline and cofferdam. Sleeve type: the strip metal ring and nut make rubber check ...
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