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上海良工阀门不锈钢法兰截止阀J41W-16P蒸汽高温阀门DN50 65 100
ZCZP-16C铸钢法兰电磁截止阀锅炉蒸气常闭 DN 50 100 150
波纹管截止阀耐高温铸钢锻打法兰蒸汽阀门WJ41H-16C DN50 100 150
铸铁截止阀 J41T-16法兰高温蒸汽供热热力阀门DN100 50 65 80 150
J41T-16铸铁法兰截止阀/铸铁蒸汽阀门DN15 25 32 40 50 65 80 100
WCB丝扣截止阀J11H-16/25C内螺纹丝口苏式S型阀门DN50 80 100 150
碳钢S型丝扣截止阀J11H-16/25C内螺纹铸钢丝扣阀门DN15 20 32 100
巩特铸钢美标截止阀J41H-150LB日标法兰日标阀门DN100 50 6寸4寸
不锈钢低温截止阀DJ41W-16P 304 316L法兰抗耐低温长轴DN100DN500
铸钢截止阀碳钢法兰J41H-16C 25C 40C耐高温蒸汽阀门DN20 50 100
J41W-16P不锈钢法兰截止阀304热水切断阀门 DN50 80 100 150
304不锈钢法兰截止阀J41W-25P蒸汽不锈钢截止阀阀门PN25 DN50 100
铸钢高温蒸气法兰截止阀J41H-16C碳钢锅炉蒸气截止阀DN50 80 100
304不锈钢日标法兰截止阀J41W-10K日标法兰截止阀阀门DN25 50 100
J41H-16C 铸钢法兰截止阀DN15 20 25 32 40 50 65 80 100 蒸汽WCB
WJ41H-16C/25C铸钢碳钢德标波纹管法兰截止阀导热油蒸汽DN100DN50
J41H-16C/25C铸钢50碳钢蒸汽高温40法兰截止阀DN25 65 80 100 150
J41H-16C/25高温蒸汽法兰截止阀WCB碳钢铸钢重型DN40 50 100 200
锻钢截止阀 锻打法兰截止阀 J41H-64/100 A105/25C/40C DN25 DN50
WJ41H-16德标波纹管截止阀高温蒸汽导热油阀门DN200 80 100 50
铸钢德标波纹管截止阀WJ41H-16C DN15 20 25 32 40 50 65 80 100
铸钢德标波纹管截止阀WJ41H-16/25C DN 40 50 65 80 100 125 150
高压承插焊锻钢截止阀J61Y/H-150 300 800LB 16C-100C-DN15/20/25
J11H-16C-25C S型碳钢截止阀 DN15-DN100
铸钢法兰截止阀J41H-16C手轮水蒸汽耐高温手动阀门DN50 65 80 100
铸钢法兰截止阀J41H-16C锅炉蒸汽高温水管道阀门DN25 50 100 150
J41H-16C铸钢法兰截止阀DN25 32 40 50 65 80 100蒸汽WCB大体重型
铸钢法兰截止阀手动高温
304不锈钢法兰截止阀J41W-16P耐高温高压手轮阀门DN50 65 80 100
J41T-16法兰截止阀铸铁铜芯蒸汽截止阀DN20 25 32 40 50 100 寸
水管道阀门WCB铸钢普通法兰截止阀J41H-16/25C DN65 50 100 150
304不锈钢法兰截止阀 J41W 16P高温蒸汽切断阀门 DN50 DN80 DN100
304截止阀法兰不锈钢J41W-16P蒸汽导热油调节阀门DN80 100 2寸4寸
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
不锈钢法兰截止阀高温蒸
截止阀J41H-16C铸钢法兰高温蒸汽截止阀DN32 40 50 65 80 100 125
铸钢法兰截止阀手轮水蒸
J41H-16/25C铸钢法兰截止阀 WCB蒸汽截止阀DN20 25 40 50 80 100
高山牌法兰截止阀J41H-25Q/16Q 高温蒸汽截止阀DN50 65 80 100
高山牌法兰截止阀J41H-p25Q/16Q 高温蒸汽截止阀DN50 65 80 100
304不锈钢法兰截止阀J41W-16P高温高压DN25 32 40 50 65 80 100
法兰截止阀铸铁铜芯蒸汽
J41T-16法兰截止阀铸铁蒸汽截止阀DN15 20 25 32 40 50 65 80 100
铸钢法兰截止阀 J41H-16C/25C/40C 高温蒸汽截止阀DN50 65 80 100
304不锈钢法兰截止阀J41W-16P耐高温蒸汽阀门DN25 50 65 80 100
304不锈钢法兰截止阀J41W64P耐高压40P手轮阀门DN65 80 100 125
WCB铸钢法兰截止阀J41H-16C手动高温蒸汽手轮阀门DN50 65 80 100
不锈钢法兰截止阀耐高温
304不锈钢法兰截止阀J41W64Pw耐高压40P手轮阀门DN65 80 100 125
304不锈钢法兰截止阀J41W64P耐高压40P手轮阀门DN65Q 80 100 125
304不锈钢法兰截止阀J41W-s16P耐高温高压手轮阀门DN50 65 80 100
304/316L不锈钢法兰截止阀J41W-16P 全尺寸DN15 25 50 80 100 300
上海良工阀门304不锈钢法兰截止阀 J41W-16P蒸汽高温截止阀DN100
J45H直流式截止阀 耐高温锅炉蒸汽Y型法兰截止阀DN80 100 125 200
J11F黄铜内螺纹截止阀 加厚冷热水管道开关截止阀DN50 65 80 100
J41H-25/40/64/100C锻钢A105高压闸阀截止阀DN15 20 25 32 40 50
J41W-16P不锈钢304法兰截止阀DN25 32 40 50 65 80 100 125 150
华利达球墨铸铁丝扣截止阀J11T-16Q硬密封截止阀dn100升降式止水
铸钢法兰截止阀高温蒸汽
铸钢截止阀高温蒸汽导热油j41h-16c碳钢法兰阀门DN25 65 80 100
304-J41W-16P不锈钢法兰截止阀/DN25 DN32 40 50 65 80 100-DN150
J41H-100C铸钢截止阀法兰碳钢耐高温截止阀蒸汽锅炉100公斤DN100
J41H-64C铸钢截止阀法兰碳钢耐高温截止阀蒸汽锅炉64公斤dn80 100
铸铁法兰截止阀J41T-16手动蒸汽高温阀门开关DN50 65 100 150 200