Air Relief Valves with Four Functions AS-В-200
Body: Ductile Iron GGG40-GGG50 DIN1693/EN1563
Sealing ring: EPDM
1 phase: The 2 floaters work together during the filling and emptying of the network.
2 phase: When the middle floater comes in contact with the water, it starts rising and as the water comes up, the floater rises to to top and the air valve closes tightly. The first phase is terminated.
3 phase: The internal floater is moving to release the vaporized air.
4 phase: Adjustability of the rising speed of the middle floater at the 2nd phase.
Threaded: 1”, 2”, 3”.
Flanged: DN50 DN100
Working Pressure PN10, PN16
Working Temperature: -10oC up to +80oC
*All prices are without VAT in BGN.