Yuanda Valve Group manufacture the products include: GB/JB(china), APL, ANSI, AWWA, DIN, JIS, GOST, NF and etc. The products have 12 kinds, 200 series and 4000 sizes, include gate valve, globe valve, ball valve, butterfly valve, check valve diaphragm valve, reducing valve, plug valve, traps valve. T......
body/bonnet/disc | A216 WCB |
stem | A182 F6 |
seat ring | A105+13Cr |
disc ring | 13Cr/STL/A351 CF8/CF8M |