Consequences: butterfly valve flange and ordinary valve flange sizes vary, and some flange diameter is small, and the butterfly valve flap, resulting in open or hard to open and make the valve damage. Action: Flange flange should be machined according to the actual size of the flange.
compression fittings 's ring has double anneal,It is much better for seal.compression fittings,Connex compression fittings,Plumbing compression fittings
compression fittings,Connex compression fittings,Plumbing compression fittings
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