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Spring Loaded Air Valve

Spring Loaded Air Valve
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Spring Loaded Air Valve

Features:
- 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