J41H-16铸钢碳钢锅炉高温蒸汽法兰截止阀DN20 25 32 40 50 65 80
U41S-16法兰柱塞阀蒸汽高温1截止阀寸2寸DN25 32 40 50 65 80 1新
304不锈钢法兰截止阀J41W-16P耐高温高压手轮阀门DN50 65 80 100
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
J41H-16C 铸钢法兰截止阀DN15 20 25 32 40 50 65 80 100 蒸汽WCB
J41H-16C铸钢法兰截止阀DN15 DN20 DN25 DN32 DN40 DN50 DN80-200
WCB铸钢法兰截止阀J41H-16C手动高温蒸汽手轮阀门DN50 65 80 1新
304不锈钢法兰截止阀J41W-16P耐高温高压手轮阀门DN50 65 80 1新
J41T-16法兰截止阀铸铁蒸汽截止阀DN15 20 25 32 40 50 65 80 1新
J41H-16C铸钢法兰截止阀高温蒸汽阀门锅炉碳钢DN25 50 80 100 1新
304不锈钢法兰截止阀J4116W-P耐高温高压手轮阀门DN50 65 80 1新
铸钢截止阀J41H-16C法兰高温蒸汽导热油DN25 32 40 50 65 80 500
铸钢法兰截止e阀 J41H-16C/25C/40C 高温蒸汽截止阀DN50 65 80 10
高山牌法兰截止阀J41H-p25Q/16Q 高温蒸汽截止阀DN50 65 80 100
J41T-16法兰截止阀铸铁蒸汽截止阀DN15 20 25 32L 40 50 65 80 10
J41H-16C铸钢法兰截止阀高温蒸汽阀门锅炉碳钢DN25 50 80 100 1
J41T-16法兰截止阀蒸汽铸铁截止阀DN15 20 25 32 40 50 65 80 1新
WCB铸钢法兰截止阀J41H-16C手动高温蒸汽手轮阀门DN50 65 80 100
高山牌法兰截止阀J41H-25Q/16Q 高温蒸汽截止阀DN50 65 80 100
截止阀J41H-16C铸钢法兰高温蒸汽截止阀DN32 40 50 65 80 100 125
304不锈钢法兰截止阀 J41W 16P高温蒸汽切断阀门 DN50 DN80 DN1新
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
J41F塑料法兰截止阀 耐强酸碱腐蚀节流阀工业化工污水DN50 65 80
J11B内螺纹氨用截止阀 丝扣不锈钢内螺纹截止阀DN50 65 80 100
FJ41Y节流截止放空阀 天然气液化气石油航空煤油水排渣DN50 65 80
NKJ61H焊接真空隔离截止阀 铸钢法兰高温蒸汽截止阀DN50 65 80
J11W丝扣截止阀 不锈钢美式B型内螺纹高温蒸汽法兰截止阀 DN65 80
SJQ46H-160自平衡法兰截止阀 高压截止阀 DN50 65 80 100
J641H气动法兰截止阀 不锈钢高温紧急切断截止阀 DN50 65 80 100
DSJ61Y能换双芯主蒸汽疏水截止阀 焊接截止阀DN65 80 100 125 150
NKJ41H法兰真空隔离截止阀碳钢不锈钢高压电站管道截止阀DN80 100
QF-T3B天然气截止阀 铸钢耐高温蒸汽锅炉法兰截止阀DN80 100 125
J41H-100C电动高压截止阀 导热油耐酸碱法兰铸钢截止阀DN80 100
WJP47无泄漏截止平衡阀 节流截止阀DN50 65 80 100 150
SLJ41Y高压双作用节流截止阀 铸钢法兰截止阀高温蒸汽DN50 65 80
J11W苏式内螺纹截止阀 S型丝扣高温蒸汽截止阀 DN80 100 150 200
BJ41H直通式保温截止阀 铸钢法兰截止阀蒸汽DN65 80 100 125
J941Fs电动衬氟截止阀高温蒸汽导热油截止阀铸钢防爆智能调节DN80
J41H日标法兰截止阀 铸钢耐高温蒸汽锅炉截止阀DN80 100 125 150
J41W不锈钢法兰截止阀 高温蒸汽截止阀导热油耐腐蚀DN80 100 125
J41W不锈钢截止阀 水用工业旋转式高温蒸汽法兰截止阀 DN80 100
J42B法兰角式氨用截止阀品牌液化气氮气美标铸钢DN80 100 125 150
J41B氨用截止阀 泄压卸荷液氨气耐高压截止阀国标 DN50 65 80
J41W法兰式不锈钢截止阀水用工业旋转式高温蒸汽截止阀DN50 65 80
BJ66Y平衡式焊接节流阀 电站油田专用高压截止阀DN80 100 150
J41Y法兰自密封截止阀 耐高温蒸汽导热油截止阀DN50 65 80 100
J61Y高温高压焊接截止阀 电站不锈钢蒸汽自密封截止阀DN50 65 80
JLH41H截止节流止回多功能阀 防火型截止阀DN65 80 100 150 200
保温夹套直流式截止阀铸钢不锈钢Y型截止阀DN50 65 80
J41W-16P蒸汽304不锈钢法兰截止阀DN15 20 25 32 40 50 65 80 100
304不锈钢丝扣J11W-16P截止阀B型内螺纹水管阀门DN15 20 25 50 80
J41W-16P/25P 不锈钢法兰截止阀 304截止阀J41H-16P DN25 50 80
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
WJ41H-16德标波纹管截止阀高温蒸汽导热油阀门DN200 80 100 50
J11W-16P苏式S内螺纹不锈钢304截止阀 DN15 20 25 32 40 50 65 80
8号管件304不锈钢法兰截止阀J41W手轮阀门开关DN50 65 80 100 125
2023J41T-16铸铁法兰截止阀/铸铁蒸汽阀门DN15 25 32 40 50 65 80
2023J41H-16C碳铸钢锅炉高温蒸汽法兰截止阀DN25 32 50 65 80 100
2023爆品J41H16C碳钢铸钢截止阀法兰高压高温蒸汽锅炉DN40 50 80
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
J41T-16法兰截止阀 铸铁铜芯蒸汽截止阀DN20 25 40 50 65 80 100
J41H-16C25C铸钢法兰截止阀碳钢WCB蒸汽高温DN50 80 100 150 200
WCB铸钢蒸汽法兰高温导热油J41H-16/25/40C截止阀DN40 80 125 150
J41F-10U UPVC全塑耐腐蚀法兰式截止阀 化工PVC截止阀DN50 65 80
J41T-16国标铸铁法兰截止阀/蒸汽阀门DN15 25 32 40 50 65 80 100
J41W-16P 正316L 不锈钢法兰截止阀DN15 20 25 32 40 50 65 80
J41H-16/25C铸钢法兰截止阀 WCB蒸汽截止阀DN20 25 40 50 80 100
铸钢法兰截止阀蒸汽高温碳钢阀门WCB dn25 40 50 65 80 J41H-16C
J41T-16法兰截止阀铸铁蒸汽截止阀DN15 20 25 32 40 50 65 80 100
J41T-16铸铁法兰截止阀/铸铁蒸汽阀门DN15 25 32 40 50 65 80 100
J41H-16C 铸钢高温蒸汽法兰截止阀DN25 32 40 50 65 80 100 150
J41H-16C铸钢法兰截止阀高温蒸汽阀门锅炉碳钢DN25 50 80 100 150
铸钢法兰截止阀J41H-16C高温高压蒸汽锅炉导热油切断阀DN50 65 80
WCB铸钢蒸汽法兰高温导热油J41H-16C截止阀硬密封DN40 80 125 150
法兰铸钢碳钢截止阀阀门WCB蒸汽高温DN50 65 80 100 125 150 200
热销中J 1F4-1 C6衬氟截止阀 耐酸碱 法兰衬四氟 DN50 80 1004125
不锈钢法兰截止阀耐高温
304不锈钢法兰截止阀J41W-25P耐高温耐酸碱单向截止阀DN50 80 100
304不锈钢法兰截止阀J41W-16P走水蒸汽耐高温手轮阀门dn65 80 100
304不锈钢法兰截止阀 J41W 16P高温蒸汽切断阀门 DN50 DN80 DN100
J41T-16铸铁法兰蒸汽截止阀DN25 32 40 50 65 80 100 150 HT200
淘宝优惠券