波纹管截止阀WJ41H-16C德标铸钢耐高温蒸汽油品手动开关阀

氯气专用波纹管截止阀 WJ41H-25 G C P WJ41F-16-25-40 C P G

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

WJ41H-16C德标波纹管法兰截止阀高温蒸汽导热油铸钢锅炉DN50 80

WJ41H-16C蒸汽波纹管截止阀上海沪工/良工/美科/凯斯特/精工阀门

TAT波纹管截止阀DN32*PN25铸铁法兰截止阀 TAT截止阀传输导热油

铸钢德标波纹管截止阀WJ41H-16C DN15 20 25 32 40 50 65 80 100

高山牌铸钢波纹管截止阀WJ41H-16C25C锅炉高温蒸汽导热油阀门DN50

WJ41H-16C25C40C铸钢法兰波纹管截止阀德标导热油蒸汽DN25 50 80

德标波纹管截止阀WJ41H高温蒸汽导热油PN16铸钢法兰开关调节阀门

WJ41H-16C德标铸钢波纹管截止阀不锈钢耐高温蒸汽油开关截止阀100

WJ41H-16C25C40C铸钢法兰波纹管截止阀德标导热油蒸汽DN25 50 80

WJ41H-16C/25C/40C 国标波纹管截止阀 铸钢材质 4分 6分 2寸 DN50

国标波纹管截止阀WJ41H 管道阀 工洲管道阀 芳

锻钢波纹管截止阀BL8C4Y、BL8C5Y 管道阀 工洲管道阀 芬

WJ41W-40P 不锈钢德标波纹管截止阀DN15 20 25 32 40 50 65 80

WJ41H-16C 铸钢德标波纹管截止阀DN15 20 25 32 40 50 65 80 100

WJ41H-25C 铸钢德标波纹管截止阀DN15 20 25 32 40 50 65 80 150

WJ41H-150Lb/300Lb 美标波纹管截止阀 铸钢材质 4分 DN50 1寸

Y14W—10T DN15 20 25 青铜波纹管式截止阀 波纹管式青铜截止阀

上海沪工良工WJ41H-16C铸钢高温导热油蒸汽德标波纹管截止阀DN100

WJ41H-16C 铸钢德标波纹管法兰截止阀导热油高温蒸汽阀DN25 50 65

WJ41H法兰波纹管截止阀 双恒阀门 良工阀门 沪航阀门

WJ41H-16C 铸钢德标波纹管截止阀DN15 20 25 32 40 50 65 80 100