J11H-16C/25CWCB 碳钢丝扣截止阀耐高温内螺纹截止阀 DN15 254050

碳钢S型丝扣截止阀J11H-16C25C铸钢苏式截止阀内螺纹丝口截止阀15

止J11H扣-16C碳钢S型丝截阀 苏式内螺纹丝口高2温蒸汽截止阀212DN

。J11H-16C-25C S型碳钢截止阀 DN15-DN100

J11H-16C-25C S型碳钢截止阀 DN15-DN100

。J11H-16C-25C S型碳钢截止阀 DN15-DN100

J11H-16C-25C S型碳钢截止阀 DN15-DN100

J11H/Y-16C/25/40/64/100锻钢截止阀丝扣/丝口/内螺纹锻打A105

铸钢截止阀J11H-16C铸钢丝扣截止阀S型内螺纹碳钢截止阀

铸钢丝口截止阀J11H-16C 铸钢截止阀 WCB内螺纹截止阀DN15-DN65

J11H-16C25C高温蒸汽导热油A105锻钢内螺纹丝扣截止阀DN15 20 25

锻钢内螺纹/焊接截止阀/闸阀J61H Z61H Z/J11H-16C-100C美标800LB

碳钢丝扣截止阀耐高温内螺纹截止阀J11H-16C/25CWCB 铸钢丝扣闸阀

J11H/Y-16C-25C内螺纹碳钢阀门S型丝口截止阀内丝DN15 20 25 32

J11H-16C25C高温蒸汽导热油A105锻钢内螺纹丝扣截止阀DN15 20 25

上海良工沪工精工阀门J11H-16C/25C高温蒸汽A105锻钢内螺纹截止阀

A105锻钢截止阀丝扣内螺纹锻打J11H/Y-16C/25/40/64/100 F304J61H

碳钢丝扣截止阀耐高温内螺纹截止阀J11H-16C/25CWCB 铸钢丝扣闸阀

J11H/W-16C内螺纹S型碳钢截止阀 铸钢WCB蒸汽手动硬密封截止阀

J11H/-16C内螺纹S型碳钢截止阀 铸钢CB蒸汽手动硬密封截止阀

上海沪工阀门铸钢丝口截止阀J11H-16C手动内螺纹硬密封耐高温蒸汽

。J11H-16C WCB碳钢截止阀 S型内螺纹丝口调节阀DN15 20 32 40 50

J11H-16C-25C S型碳钢截止阀 丝口内螺纹高温蒸汽截止阀DN15-100

碳钢丝扣截止阀耐高温内螺纹截止阀J11H-16C/25CWCB 铸钢丝扣闸阀