电动截止阀J941H-16C法兰铸钢25P不锈钢蒸汽调节dn50 65 80 125

上海沪工阀门J41H-16C铸钢法兰截止阀水蒸汽导热油耐高温碳钢DN80

J41H-16C铸钢法兰截止阀高温蒸汽阀门锅炉碳钢DN25 50 80 100 150

上海沪工良工阀门J41H-16C碳钢铸钢法兰截止阀DN25 50阀门截止阀

开维喜良工铸钢法兰截止阀J41H-16C高温蒸汽导热油碳钢切断节流DN

J41H-16/25C铸钢法兰截止阀蒸汽导热油重型阀门DN40 50铸钢截止阀

铸钢截止阀高温蒸汽导热油j41h-16c碳钢法兰阀门DN25 65 80 100

J41H-16C铸钢截止阀法兰碳钢耐高温截止阀蒸汽锅炉开关阀门dn50

铸钢节流截止放空阀FJ41H高温高压天然气液化气石油化工排空阀

J41H-16C锅炉蒸汽截止阀高温碳钢铸钢法兰截止阀门DN25DN50 DN200

J41H-16C铸钢碳钢锅炉高温蒸汽法兰截止阀DN20 25 32 40 50 65 80

J41H-16铸钢碳钢锅炉高温蒸汽法兰截止阀DN20 25 32 40 50 65 80

远恩WCB铸钢碳国标法兰截止阀J41H-1016/25水高温蒸汽导热油DN100

WCB铸钢/碳钢截止阀法兰J41H-16/25C蒸汽高温DN65 80 200 300

J41H-16C25C铸钢法兰截止阀碳钢WCB蒸汽高温DN50 80 100 150 200

电动法兰截止阀J941H-16C铸钢不锈钢高温蒸汽高压开关调节dn150

铸钢法兰截止阀J41H-16C碳钢锅炉蒸汽高温导热油阀门DN25 50 100

欧格阀J941H电动截止阀铸钢法兰不锈钢远程开关蒸汽高温高压防爆

衬氟截止阀J41F46-16C耐酸碱耐腐蚀法兰铸钢四氟衬里化工开关阀门

铸钢法兰截止阀蒸汽高温碳钢阀门WCB dn25 40 50 65 80 J41H-16C

WJ41H-16C锅炉高温水蒸汽导热油切断阀德标铸钢波纹管法兰截止阀

J41H-25C铸钢截止阀法兰碳钢耐高温截止阀蒸汽锅炉40公斤dn50 80

船用法兰铸钢截止阀/截止止回阀GB/T584/GB/T585/A型直通/B型直角

上海开维喜J941H-16C电动截止阀铸钢不锈钢法兰蒸汽高压手电一体

WJ41H-16C德标高温蒸汽导热油铸钢法兰波纹管截止阀DN25 40 50 80

上海沪工铸钢/碳钢法兰截止阀J41H-16/25/40C高温蒸汽导热油WCBDN

J41H-16/25C铸钢截止阀碳钢WCB法兰/锅炉蒸汽高温导热DN65 80 200