Forged Ball Valves , Vervo Valve – Perfect quality and perfect control
API602는 강철 벨브 MSS SP25 게이트 밸브 위조한 강철 A105 800LB를 충분히 지루하게 합니다 SW NPT-F를 위조했습니다
Bend Carbon Steel Per API 5L Grade B Psl2 0.500 Inch Nominal Wall, Buttweld End 45 Degree Per ASME B16.49 3 Diameter Radius Marked Per Mss Sp 25 Manufacturers and Factory China -
MSS SP-25-1998 - Standard Marking System for Valves, Fittings, Flanges and Unions