Design:GB/T 122387-89 Flange:GB9113-2000,GB17241.6-1998 Length:GB12221-89 Test:GB/T 13927-92 We not only to export to global market but also to supply to domestic company
1.ductile iron disc plated with nickel 2.ductile cast iron GGG50 body 3.wafer butterfly valve with worm gear 4.PN10/16 wafer butterfly valve1.Design standard:DIN3354 2.body: ductile iron3.disc:ductile iron4.seat:NBR or EPDM5.stem:stainless steel 410 or 416
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