联塑ppr截止阀dn25自来水阀门开关20水龙头热水器闸阀32水管配件

J41H-16C 锅炉蒸汽截止阀高温碳钢铸钢法兰截止阀DN25 DN50 DN200

J11T-16丝口截止阀丝扣铸铁苏式内螺纹铜芯截止阀DN25 40 50

J41H-16C25C锅炉蒸汽截止阀高温碳钢铸钢法兰截止阀DN25DN50DN100

黄铜20PPR双活接热熔截止阀dn25内外丝活接截止阀32自来水管开关

上海良工沪工阀门铸钢波纹管WJ41H高温蒸汽16C热油法兰截止阀DN25

进口英国斯派莎克蒸汽截止阀bsa2t耐高温波纹管截止阀DN25/DN50

上海阀门J41H碳钢截止阀DN25法兰蒸汽管道高温高压良工沪工双恒

304不锈钢B型快装截止阀 J11W-25P卫生级卡箍式快装B型截止阀DN25

J41/43不锈钢法兰针型阀 高压针型阀 法兰高压仪表阀 截止阀DN25

J41H-16C 锅炉蒸汽截止阀高温碳钢铸钢法兰截止阀DN25 DN50 DN200

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

蒸汽电动截止阀dn25，耐高温蒸汽截止阀 DN200 不锈钢304电动阀门

J41H-25C 锅炉蒸汽截止阀高温碳钢铸钢法兰截止阀DN25 DN50 DN200

J41H-16C 锅炉蒸汽截止阀高温碳钢铸钢法兰截止阀DN25 DN50 DN200

304不锈钢截止阀J41W-16P不锈钢法兰截止阀DN25 DN50 DN65 DN100

J41H-16C铸钢法兰截止阀DN25 32 40 50 65 80 100蒸汽WCB大体重型

J41W 304不锈钢法兰截止阀/蒸汽高温截止阀DN25 40 50 65 80 100

J41H-16C铸钢法兰截止阀重型高温蒸汽导热油碳钢截止阀DN25 32 40

铸钢法兰截止阀J41H-16C碳钢热油高温锅炉蒸汽截止阀DN25 40 50

厂家供应不锈钢低温短轴截止阀直通式焊接截止阀DN25压截止阀

厂家供应不锈钢低温短轴截止阀直通式焊接截止阀DN25压截止阀

J41H-16C 锅炉蒸汽截止阀高温碳钢铸钢法兰截止阀DN25 DN50 DN200

厂家供应不锈钢低温短轴截止阀直通式焊接截止阀DN25压截止阀

厂家供应DKJ61H-16C焊接真空截止阀 铸钢截止阀dn25硬密封型闸阀

J941H-25C法兰式电动截止阀DN250手电两用蒸汽截止阀DN300 DN350

J41W-16P高压耐高温蒸汽304不锈钢法兰截止阀DN25 32 40 50 65 80

J41H-16C 锅炉蒸汽截止阀高温碳钢铸钢法兰截止阀DN25 DN50 DN200

JY41W-16P氧压机专用不锈钢法兰氧气截止阀DN25 40 50 65 80 100

J41W-16P高压耐高温蒸汽304不锈钢法兰截止阀DN25 32 40 50 65 80

J41W-16P304高压耐高温蒸汽304不锈钢法兰截止阀DN25

厂家销售 黄铜法兰闸阀活门 变压器油管开关截止阀DN25型卸放油阀

J41T-16法兰截止阀 铜芯国标铸铁截止阀 蒸汽截止阀DN25 32 40 50

J41W-16P高压耐高温蒸汽304不锈钢法兰截止阀DN25 32 40 50 65 80

FDJ41H-16C铸钢带锁防盗锁闭法兰截止阀DN25 32 40 65 80 100 150

厂家生产电动截止阀 铸钢电动法兰截止阀dn25 dn50 规格齐全

厂家供应不锈钢低温短轴截止阀直通式焊接截止阀DN25高压截止阀

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

伟星款PPR截止阀阀芯新款纯铜阀芯DN20 25精品黄铜阀芯PE截止阀芯

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