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

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

上海良工阀门J11H-16C铸钢丝扣S型内螺纹苏式S型高温蒸汽截止阀

J11H-16C-25C S型碳钢截止阀 DN15-DN100

碳钢截止阀 J11H-16C内螺纹DN15 20 25 40 50 4分6分1寸1.5寸2寸

。J11H-16C-25C S型碳钢截止阀 DN15-DN100

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

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

J11H-16C-25C S型碳钢截止阀 DN15-DN100

速发.J11H-16C/5C温蒸汽导热油A15锻钢内2螺纹丝扣截止阀D高N15 2

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

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-16C-25C S型碳钢截止阀 丝口内螺纹高温蒸汽截止阀DN15-100

铸钢丝口截止阀 J11H/Y-16C25C 内螺纹内丝丝扣阀门4 6分1寸碳钢

。J11H-16C/25CWCB 碳钢丝扣截止阀耐高温内螺纹截止阀 DN15 2540

J11H-16C铸钢截止阀 2205定制

碳钢丝扣截止阀 J11H-16C铸钢苏式截止阀S型内螺纹丝口截止阀DN15

J11H-16C/25CWCB碳钢丝扣截止阀耐高温内螺纹S型304硬密封闸阀

。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

J11H-16C/锻钢丝扣截止阀/Z11H-16C/锻钢丝扣闸阀/国标/100压力内

J11H-16C/25CWCB碳钢丝扣截止阀耐高温内螺纹S型304硬密封闸阀

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

碳钢丝扣截止阀 J11H-16C铸钢苏式截止阀S型内螺纹丝口截止阀DN15