China Wholesale WN Flange Long Welding Neck Collar Flange Carbon Steel Stainless Steel ANSI DIN JIS EN BS EN1092-1 Type 11 Standard ASME B16.5 Supplier China - Customized Products Wholesale - Shaanxi Fenry
EN-1092-1-Flanges
Welding Collar Cupro Nickle Weld Neck Flange, For Oil, Size: 5 inch
Weld-neck collar EN1092-02/34 in AISI 316L PN16 DN125