Product characteristics and benefits

• With flange end acc. to EN 1092-2
• Single chamber air valve in compact design
• High discharge capacity for large quantities of air
• 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 G 1 ¼", G 2 ½"
• Minimum operation pressure: 0.1 bar
• Low weight for easy handling
• Easy to maintain, all internal functional parts can be removed together
• Incrustation- and corrosion-free due to polyethylene PE housing

Materials

• Body: Polyethylene PE 100
• Bonnet: Ductile cast iron EN-JS 1030 (GGG-40)
• Inner parts: Plastic (POM/PVC)
• Float: Polyethylene PE 100
• Sealing: NBR
• Cover flange and guide screws: Stainless steel
• Loose flange for steel flange connection with polypropylene (PP) coating

Corrosion protection

• Cast iron parts: Epoxy coating

Versions

• Standard version as described
• For flange dimensions acc. to ANSI
• Higher temperatures possible at reduced pressure
• With non-return valve
• Lockable in open position for purging