VAG DUOJET® Anti-Surge Air Valve with customized orifice plate

PN: 10/16/25 - DN: 50...200

Productgroup: Air Valves

Medium: Water

High-capacity, single-chamber air valve with triple function for venting and releasing air in pipelines as well as for releasing air during operation. Corrosion-proof due to stainless steel inner parts and float made of plastic. Safe and reliable operation even at high air-release velocities of up to sonic speed. Suitable for use in water treatment, water distribution, in dams, power plants and in industry.

  • Sealing system/standard: Resilient seated
  • Single chamber air valve in compact design
  • Customized discharge capacity due to individually calculated orifice
  • Venting function:
    • Large orifice to vent high quantities of air during draining the pipeline
    • Large calculated orifice for controlled venting of defined quantities of air when filling the pipeline
    • Small orifice to release low quantities of air during operation under pressure
  • With flange end acc. to EN 1092-2
  • Minimum operation pressure: 0.3 bar
  • Controls the filling quantity of the pipeline by individually calculated orifice
  • With sidewise drainage plug
  • The non-return valve integrated at the outlet secures the air supply when the pipe breaks and controls the ventilation through the orifice plate
  • Triple function air valve
  • Body: Ductile iron EN-GJS-400-15 (GGG-40)
  • Bonnet: Stainless steel 1.4308
  • Inner parts: Stainless steel 1.4541
  • Float: Plastic polypropylene
  • Sealing: EPDM
  • Bonnet bolts: Stainless steel A4 (DIN EN ISO 3506)
  • Orifice plate: Stainless steel 1.4021

Internally and externally epoxy coated acc. to GSK guidelines

Contact

VAG-Group Headquarters
Carl-Reuther-Str. 1
68305 Mannheim
Germany
Phone: +49 (621) 749-0
Fax: +49 (621) 749-2156

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