Specialist Suppliers of 
Industrial Controls

DUOJET Air Valve

DUOJET Air Valve
Product Description
Review and Rating
DUOJET Air Valve

- Resilient seated
- With flange end acc. to EN 1092-2
- Single chamber air valve in compact design
- Very high discharge capacity up to sonic velocity due to stabilised floater
- Triple function air valve
- Venting function: 
- Large orifice to vent high quantities of air during draining the pipeline
- Large orifice to release high quantities of air during filling the pipeline
- Small orifice to release low quantities of air during operation under pressure
- Outlet female threaded acc. to DIN ISO 228
- Minimum operation pressure: 0.3 bar
- With sidewise drainage plug

- Body: Ductile cast iron EN-JS 1030 (GGG-40)
- Bonnet: Ductile cast iron EN-JS 1030 (GGG-40)
- Bonnet bolts: Stainless steel A4 (DIN EN ISO 3506)
- Inner parts: Stainless steel 1.4571
- Float: Stainless steel 1.4571 (exception: DN 50 synthetic)
- Sealing: EPDM

Corrosion protection:
- Inside and outside epoxy coating acc. to GSK guidelines

- For pressures of 0.1...1 bar special seal (with special sealing). Please specify operating pressure when inquiring/ordering.
- For flange dimensions acc. to ANSI
- With insect protection
- DN 50/PN 16 connection with 2" thread available on request