FIG. 8316 SINGLE LARGE AIR RELEASE VALVE

Features:
Wide range of materials Aluminium Bronze, Super Duplex, Stainless Steel, Titanium, 6MO, Hastelloy & Gunmetal.
Large orifice air valves allow air to be expelled from the system during filling of a pipeline and admit air back into the system whenever sub-atmospheric pressure occurs.
Air is vented from the system until water enters the valve and lifts the float against its seat ensuring a tight seal. In the event of subatmospheric pressure in the system, the water level drops causing the float to fall from its seat and allow the admission of air.
Efficient low pressure sealing at 0.2bar
25mm (1″) – 200mm (8″) sizes.

Suitable for:

Valve type:

Options

BSP or NPT threaded Inlet.
PN10,PN16, PN25, PN40, ANSI 125/150, ANSI 250/300. Flanged Inlet.
Flanged outlet.
Cowled outlet.
Throttled outlet.
Inflow / outflow check.
Surge arrestor.
Isolation valve*.
Finishes available in Rilsan, Epoxy, Bituminus, Red oxide & Aluminium.
EPDM or Viton rubber.
Material testing & Certification to international standards available on request.

* We recommend all air valves are fitted with isolation valves.

Technical Specification

PART

PARTS

AVAILABLE MATERIAL

1

Body

Aluminium Bronze, Super Duplex, Stainless Steel, Titanium, 6MO, Hastelloy, Monel, Inconel

 Gunmetal

2

Cover

Aluminium Bronze, Super Duplex, Stainless Steel, Titanium, 6MO, Hastelloy, Monel, Inconel

 Gunmetal

3*

Sheild Plate

Aluminium Bronze, Super Duplex, Stainless Steel, Titanium, 6MO, Hastelloy, Monel, Inconel

 Gunmetal

*(Spun steel on 150 & 200mm)

4

Large Orifice Seat

EPDM & Viton

5

Large Orifice Float

ABS & Stainless Steel

6

Shield Studs & Nuts

Aluminium Bronze, Super Duplex, Stainless Steel, Titanium, 6MO, Hastelloy, Monel, Inconel

 Gunmetal

7

Cover Bolts & Nuts

Aluminium Bronze, Super Duplex, Stainless Steel, Titanium, 6MO, Hastelloy, Gunmetal

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