Features1The valve adopts designs of advanced dynamics, with rapid intake and exhaust. 2It can avoid air accumulation, prevent the formation of negative pressure, and has good sealing performance at low pressure. 3This valve is mainly used for the intake and exhaust of the pipe and irrigation system. 4Small size, large intake and exhaust, simple structure and reliable performance. 5Made of material, corrosion resistance, high reliability and long service life. 6Installation method is simple, is the irrigation accessories, mostly used in gardening and horticulture planting.SpecificationCondition: 100% Brand NewItem Type: Irrigation Air ValveStyle: 1.5in DN40, 2in DN50(Optional)Material: PPColor: As shown in the picture1.5in DN40 Size: Approx.18.5x13cm / 7.3x5.1in 2in DN50 Size: Approx.25x19cm / 9.8x7.5in Weight: Approx.441g~1001g/15.6oz~35.3ozUses: Used in piping systems to prevent water hammer. It is installed at a relatively high point of the piping system. When the system is started, the air in the piping system is exhausted. When the system is closed, the air intake prevents the occurrence of vacuum. Installed on the head system.Drive Method: Hydraulic controlUse: Pressure reducing valveApplication: Agricultural sprinkler irrigation, greenhouseScope of Application: Water inlet and outlet airPackage List1 x Irrigation Air Valve