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- Caleffi Automatic Air Vent, Series: 250, 1/2 in Nominal Size, MNPT Connection, 150 psi Working, -20 to 360 deg F, Brass, 2-1/8 in Dia x 4 in H, Import
- Automatic air vents are used in the closed circuits of solar heating systems to allow air contained in the fluid to be released automatically during the filling process, by means of a valve operated by a float in contact with fluid in the system
- The shut-off valves are used in combination with the automatic air vent vents to be able to isolate them after filling the circuit of solar heating systems
- These series of products have been specially made to work at high temperature with a glycol medium
- Chrome plated brass body
- 75 psi max discharge pressure
- Max percentage of glycol: 50%
- Connection TypeMNPTDomestic / ImportImportMaterialBRASSNominal Size1/2 inTemperature Rating-20 to 360 deg FWorking Pressure150 PSIDimensions2-1/8 in Dia x 4 in HManufacturerCaleffiManufacturer #250041ASeries250