手動螺旋閘閥
Manual spirat gate valves
Manual spirat gate valves
![]() | ![]() | 產(chǎn)品型號Product Model: QDZM-X 公稱通徑Nominal Diameter: 200×200-700 ×700mm 閥體材質(zhì)Nominal Pressure:鑄鋼、不銹鋼 適用溫度Suitable temperature: -29°C~120°C 適用介質(zhì)Suitable Medium: 污水、給排水 Sewage, water supply and drainage |