Size: DN25-DN300; Working Pressure: 3~4 Bar Control Pressure:4.5~6 Bar; Maximum Pressure Differential:2 Bar Body material: DN25～200:Cast iron, Cast aluminum, cast steel DN25～300 Flange Connected:Cast iron DN40～200 Flange Connected:SS 316 Sleeve material and applicable temperature: Natural rubber:-5~80°C; EPDM:-5~120°C Food grade: food grade natural rubber tube cover Manual/Automatic control: Three-way manual valve or three-way solenoid valve to control the flow of compressed air or pressurized water into the valve body. Control medium: compressed air or pressurized water Control accessories: manual – three-way manual valve automatic – three-way electric valve
