Double Orifice Air Valve - Stainless Steel
Double orifice air valve in stainless steel suitable for potable and filtered water applications in demanding environments. Please see below our Working with Air Valves document and the Double Orifice Air Valves datasheets under the Option Comparison tab.


Product Information
Double Orifice Air Valve - Stainless Steel
Double orifice air valve in stainless steel having three functions:
- Efficient release of gas to prevent pressure build-up
- Ingress of gas to prevent vacuum in the pipe system
- Controlled bleed of gas to maintain stability
Suitable for potable and filtered water applications in demanding environments
Technical Specification
- Standard: BS EN 1074-4
- Inlet: 1" BSP to DN300
- Maximum working pressure: 16 bar (25 & 40 bar on request)
- Minimum working pressure: 0.3bar
- Temperature range: -10ºC to 60ºC, insulate at 0ºC and below
- Hydrostatic pressure tests: Seat: 1.1 x PN, Body: 1.5 x PN
- Constructed in AISI 304, AISI 316 or deuplex on request
Features
- Directly acting solid cylindrical float
- Lightweight compact single chamber design
- Patented small orifice configuration
- Excellent flow capacity
- Drain valve
- Corrosion resistant construction
Options
- Isolating valve
- Tapped cowl
- Insect mesh
- Rapid fill protection
- Surge alleviation
- Discharge only kit