Project Description

double orifice air valve with three function use, which can be used in water supply and drainage project.

double orifice air valve with three function use technical specification:

Size:DN40-300

Design standard: EN1074-4:2000

Flange standard: EN1092-2:1997

Testing standard: EN12266-1:2012

Working pressure: 16kgs/cm3   25kgs/cm3

                Shell testing pressure: 25kgs/cm3   37.5kgs/cm3

                Seat test pressure: 18kgs/cm3  27.5kgs/cm3

                Media: water, neutral oil

External and internal coating: 100% fusion-bonded EPOXY

SS304/316 bolts/nuts/washers are available on request

double orifice air valve with three function use Material List

Body:Ductile Iron BS2879-500.7/DIN1693 GGG50/EN1563 GJS500

Float guide:ABS

Support: ABS

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

Hinge pin: Stainless Steel BS1574

double orifice air valve size

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