J41H-40C DN40铸钢法兰截止阀蒸 汽耐高温
¥200.00
J41H-40C DN50高温蒸汽手动硬密封法兰截止阀
¥200.00
J41H-40C DN65铸钢法兰截止阀水蒸汽导热油耐高温碳钢
¥200.00
J41H-40C DN80铸钢精铸法兰截止阀 WCB带材质截止阀
¥200.00
J41H-40C DN125承插式焊接高温高压截止闸阀
¥200.00