Product characteristics and benefits

• Resilient seated
• With flange end acc. to EN 1092-2
• Spring-loaded air valve
• Very high venting capacity for large quantities of air with attached triple function air valve (VAG DUOJET® Automatic Air Valve)
• Triple function air valve
• Venting function:
  • Large cross-section to vent high quantities of air for pipe collapsing protection
  • Medium orifice to release when filling the pipeline
  • Small orifice to release low quantities of air during operation under pressure
• Minimum operation pressure: 0.3 bar
• With VAG DUOJET® Automatic Air Valve including shut-off valve (VAG
• CEREX®300 Butterfly Valve for inspection)
• With friction damper for soft closing of the disk

Materials

• Body: Welded steel S235JRG2
• Bonnet: Welded steel S235JRG2
• Bonnet bolts: Stainless steel A4 (DIN EN ISO 3506)
• Inner parts: Stainless steel 1.4301
• Bolts: Stainless steel A4 (DIN EN ISO 3506)
• Body VAG DUOJET® Automatic Air Valve: Ductile cast iron EN-JS 1030 (GGG-40)
• Body of shut-off valve: Ductile cast iron EN-JS 1030 (GGG-40)
• Stem: Stainless steel 1.4301

Corrosion protection

• Inside and outside epoxy coating

Versions

• Standard version as described
• Bigger sizes available on request