304/316L不锈钢截止阀J41W/H-16P高温高压锅炉蒸汽法兰截止阀DN50

J41H-16C碳钢锅炉高温蒸汽法兰截止阀DN50 100 150蒸汽阀门耐高温

完全替代斯派莎克BSA1T/水/蒸汽/热油/油品波纹管密封截止阀DN50

德标波纹管截止阀DN50碳钢法兰蒸汽旋塞阀WJ41H-16耐高温导热油阀

铸钢暗杆氨用截止阀J41B-16/25C液氨液氮低温截止阀DN50/100/150

铸钢暗杆氨用截止阀J41B-16/25C液氨液氮低温截止阀DN50/100/150

铸钢暗杆氨用截止阀J41B-16/25C液氨液氮低温截止阀DN50/100/150

原装KITZ北泽法兰截止阀DN50PN16 DISC304SS 实物实拍 现货带包装

J641W-16P气动法兰截止阀 不锈钢截止阀DN50 65 80 100 125 150

J641W-16P气动法兰截止阀 不锈钢截止阀DN50 65 80 100 125 150

J641W-16P气动法兰截止阀 不锈钢截止阀DN50 65 80 100 125 150

J641W-16P气动法兰截止阀 不锈钢截止阀DN50 65 80 100 125 150

304不锈钢法兰截止阀J41W-16P 手动硬密封重型截止阀DN50/100

J41H-25C铸钢高温蒸气法兰截止阀导热油重型截止阀DN50 65 80 100

DN25截止阀DN50蒸汽阀门耐高温水开关手轮手动内螺纹不锈钢304J11

J41W-150LB高温蒸汽ANSI美标304不锈钢法兰截止阀DN50 65 80 100

推荐J4a1W-16P不锈钢高温蒸汽法兰截止阀DN50 65 80 100 125 150

DN25截止阀DN50蒸汽阀门耐高温水开关手轮手动内螺纹不锈钢304J11

氨用截止阀J41B-16C天然气液化气液氨氨气专用暗杠截止阀DN50DN80

U41S-16高温 法兰柱塞阀 蒸汽锅炉 截止阀DN50 25 40 65 80 100

U41S-16高温 法兰柱塞阀 蒸汽锅炉 截止阀DN50 25 40 65 80 100

厂家供应各种规格闸阀自来水截止阀DN50-1200 大口径软密封闸阀

铸钢暗杆氨用截止阀J41B-16/25C液氨液氮低温截止阀DN50/100/150

整体调节型电动焊接截止阀 J961Y-320电动铸钢焊接截止阀dn50

高压焊接截止阀/J61Y-320C高温高压焊接截止阀dn50厂家供应

j941w-100p高压304不锈钢电动截止阀DN80手电两用电动截止阀DN50

全铜截止阀水开关dn15水管20空调25蒸汽32耐高温40铜4分6分寸dn50

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 锅炉蒸汽截止阀高温碳钢铸钢法兰截止阀DN25 DN50 DN200

J41H-16/25C铸钢法兰截止阀 WCB蒸汽截止阀DN20 25 40 50 80 100

厂家供应铸钢法兰J41W-16P25P40P截止阀dn50量大从优

J41H-16A105碳钢法兰截止阀锅炉截止阀DN50DN100

智能一体化高压电动截止阀 J961Y/H-320C电站高温截止阀DN50

U41S-16高温铸铁铸钢法兰柱塞阀蒸汽锅炉截止阀DN50DN25DN80DN100

J41H-100高压铸钢法兰截止阀重型高温蒸汽导热油碳钢截止阀DN50

U41S-16高温 法兰柱塞阀 蒸汽锅炉 截止阀DN50 25 40 65 80 100

J61F-16P不锈钢美标软密封截止阀DN50 65 80 100 21/2 3 4寸禁油

304不锈钢J41W-16P法兰截止阀DN50水工业阀门管道锅炉厂家直销

DN25截止阀DN50蒸汽阀门耐高温水开关手轮手动内螺纹不锈钢304J11

J41H-16C铸钢法兰截止阀/耐高温蒸汽导热油截止阀DN50 100 150