F370T159DN150光軸蝶閥keystone 36-0200W0P200A1K蝶閥 ?keystone閥座 seat 16K Fig 360 FIG360T159 DN300?? Keystone K-LOK F370T159DN300氣動(dòng)蝶閥 KEYSTONE蝶閥 k-LOK高性能蝶閥 F370-T159, F360T158, F370-DN150，DN200。DN200 F370-T159；DN150 F370-T116; K-LOK VALVE FIG.370-104氣動(dòng)蝶閥 DLT HI-LOKS-DN50 HI-LOK-DN50 Keystone不銹鋼蝶閥 DLT K-LOK F360 DLT250-S不銹鋼蝶閥 F360T159 DN400開(kāi)關(guān)蝶閥 F360T159 DLT100 + F89U-020 SR08 + TVA +791N +AW30 凱斯通氣動(dòng)蝶閥F360T159 DLT100 + F89U-020 SR08 + TVA +791N +AW30 keystone蝶閥 f360蝶閥 CS材質(zhì) DN100，DN150 BUTTERFLY VALVE, 4”+ GEARBOX WITH HAND WHEEL KEYSTONE Hilok W.908 DN100蝶閥，蝶閥維修包F370-104 10"keystone 凱斯通閥座 F370T158DN150 F370T158DN200?閥座F370T158DN150 閥座F370T158DN200? keystone閥座 keystone F370-158 DN300蝶閥維修包 閥座材質(zhì) RTFE?后環(huán)材質(zhì) 316SS? 墊圈 石墨