Double Eccentric and Flange Butterfly Valve with Gearbox
(2023年01月21日)Butterfly valve Design standard: EN593Face to face :DIN3202/BS5155Body/Disc:GGG50 with internal and external epoxy resin coatingStem:2Cr13/SS304/SS316Sealing :EPDM
https://www.szyuedavalve.com/double-offset-butterfly-valve/
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