H41H-16C铸钢升降式法兰逆止止回阀25C40C64C单向阀DN4050 80 100

高山牌法兰止回阀H41H-16/25Q卧式升降止回阀高温蒸汽止回阀DN50

H41H-16/25C升降式止回阀 碳钢升降式止止回阀DN25 40 50 80 100

H41H-16C铸钢升降式单向阀门逆止阀蒸汽高温法兰连接DN15-DN400

H41H-16/25C法兰铸钢升降式止回阀40 50 65 80 100 125 150 200

H41H-16C铸钢升降式止回阀逆止阀单向阀法兰止回阀DN40 50 80 100

H41H-16C铸钢卧式升降式法兰止回阀逆止阀DN40 50 65 100 200

宇明H41H-16/25Q铸铁法兰升降式止回阀DN20-900蒸汽卧式单向阀

H41H-16C 25C铸钢/碳钢升降式法兰止回阀逆止阀单向阀DN50 80 100

H41H-16C升降式卧式法兰止回阀铸钢法兰止回阀防倒逆单向阀逆止阀

河北靖镜阀门铸钢法兰升降式止回阀H41H-10/16/25C蒸汽卧式逆止阀

铸钢法兰止回阀H41H-16C/25C升降WCB单向阀高温蒸汽高压DN150 2寸

H41Y、H44Y -64-100高压止回阀 逆止阀、单向阀、逆流阀、背压阀

H41H-64C铸钢升降式法兰止回阀高温蒸汽单向阀逆止阀

H41H铸钢法兰升降式止回阀WCB水平卧式逆止阀单向阀高温蒸汽高压

H41H-16C铸钢WCB法兰升降式止回阀单向阀逆止阀dn65 80 150 200

升降式法兰16c 100止 dn5080阀25c止回阀h41h/ 铸钢逆碳钢单向阀-

H41H-16C铸钢法兰止回阀 铸钢卧式止回阀 单向阀 DN25 40 50

宇明H41H-16/25Q铸铁法兰升降式止回阀DN20-900蒸汽卧式单向阀

良工阀门H41H-40C铸钢升降式法兰止回阀高温蒸汽单向阀逆止阀

H41H-25C 铸钢升降式止回阀 单向阀DN25 32 40 50 65 80 100 125

开维喜阀门H41H-64C铸钢升降式法兰止回阀高温蒸汽单向阀逆止阀

H41H-16C25C碳铸钢法兰升降式止回阀单向阀防倒流水蒸汽止逆阀

蒸汽法兰铸钢升降式止回阀 单向阀 逆止阀H41H-16C DN15 DN250