DIN3357 Reduced Bore Cast Iron Ball Valve
设计标准Design: DIN 3357
结构长Face to Face: DIN3202 F4
法兰标准 Flanges: EN 1092-2 PN16
阀体Body: 灰铁GG25/球铁GGG50; 球ball: AISI 410/ AISI304
阀杆Stem: SS AISI 410手柄Lever:球铁GGG50 压力:PN16
环氧树脂喷涂Product color: Blue RAL 5017
