Cast Steel Check Valve Rf Flange Cast Steel Check Valve2015-12-4
Design: BS 1868/ ASME B 16.34/API 6D
·Face to face : ASME B 16.10 ,API 6D,EN558,(DIN3202)
·End Flange : ASME B 16.5 ,(DIN2501)
·Butt welding ends : ASME B...
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