Project Description
DN50 single orifice air release valve with isolation valve, which can be used in water supply and drainage project.
DN50 single orifice air release valve with isolation valve technical specification:
Size:DN50-80
Design standard: EN1074-4:2000
Flange standard: EN1092-2:1997
Testing standard: EN12266-1:2012
Working pressure: 16kgs/cm3
Shell testing pressure: 25kgs/cm3
Seat test pressure: 18kgs/cm3
Media: water, neutral oil
External and internal coating: 100% fusion-bonded EPOXY
SS304/316 bolts/nuts/washers are available on request
DN50 single orifice air release valve with isolation valve Material List
Body:Ductile Iron BS2879-500.7/DIN1693 GGG50/EN1563 GJS500
Float guide:ABS
Isolation valve: brass
O-ring: EPDM BS2494
Cover:Ductile Iron BS2879-500.7/DIN1693 GGG50/EN1563 GJS500
Bolts and Nut: Zinc-plated steel BS4190
Seat: EPDM BS2494
Gasket: EPDM BS2494
Cap:Nylon/brass
Bracket: Nylon
