Overflow Valves

Valve Design

• Body of cast materials
• Bolted bonnet
• Open bonnet with spring and adjustable spindle
• Available in flanged or butt weld design
• V-port disc
• Integral seal
• Flange or butt weld ends

Valve Adjustable Set Pressure

• 1.0 bar to 2.5 bar
• 2.5 bar to 6.0 bar
• 6.0 bar to 10.0 bar
• 10.0 bar to 16.0 bar
• 16.0 bar to 22.0 bar
• 22.0 bar to 30.0 bar
• 30.0 bar to 40.0 bar

Design Standards

• Test pressure: EN 12266-1/2
• Face to face: PN 10-PN 40 EN 558-1/1
• Flange facing:
  • Form B1 (PN 10-PN 40)
  • Other flanges design available as option
• Butt weld:
  • According to EN 12627
  • Other design available as option
• Face to face:
  • PN 10-PN 40 EN 12982/1
  • Extended face to face is available as option by using pup pieces
• Valve material: Please refer to list of standard material
• Options: Closed bonnet with control screw and gas cap

Details