China Gate Valves suppliers Applicable Standards: STEEL GATE VALVES,API600/API 6D 鈼廠TEEL GATE VALVES, ISO 10434/ISO 14313 鈼廠TEEL VALVES,ASME B16.34 鈼廎ACE TO FACE, ASME B16.10 鈼廍ND FLANGES ASME B16.5 鈼廈UTTWELDING ENDS,ASME B16.25 鈼廔NSPECTION AND TEST ,API 598/API 6D Design descriptions: 鈼廝SB,PRESSURE SEAL BONNET 鈼廎LEXIBLE WEDGE,FULLY GUIDED 鈼廋HOICE OF SOLID OR SPLIT WEDGE 鈼廟ENEWABLE SEAT RINGS...