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D-060 | Combination Air Valve

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PN 16/25/40 – DN 50-250

Description

The D-060 series Combination Air Valve has the features of both an air release valve and an air & vacuum valve. The air release component is designed to automatically release small pockets of air to the atmosphere as they accumulate along a pipeline or piping system when it is full and operating under pressure. The air & vacuum component is designed to automatically discharge or admit large volumes of air during the filling or draining of a pipeline or piping system. This valve will open to relieve negative pressures whenever water column separation occurs.

Product Features

  • Combines the features of both an air & vacuum valve and an air release valve.
  • Triple function:
    • Air & vacuum component discharges large volumes of air during filling of the system.
    • Air & vacuum component admits large volumes of air during drainage and at water column separation.
    • The air release component releases entrapped air in pressurized systems.
  • All main flow cross-sections are equal or greater than the nominal port area.
  • Aerodynamic design enables high flow rates of air both at intake and at discharge.
  • Special orifice seat design: combination of bronze and E.P.D.M. rubber assures long-term maintenance-free operation.
  • Available in flange sizes: 2" - 10" (2" – 8" D-065 only).
  • These valves are manufactured with flanged ends to meet any requested standard.

Materials and Corrosion Protection

  • Body and cover made of Ductile Iron ASTM A-536 60-40-18.
  • Valve coating: fusion bonded epoxy coating according to standard DIN 30677-2.
  • Other coatings are available upon request.
  • Air Release Component:
    • Body made of high strength composite materials.
    • All operating parts are made of specially selected corrosion- resistant polymer materials.

Application Range

  • Working pressure range:
    • D-060, D-060-C - 0.2-16 bar.
    • D-062 – 0.2-25 bar.
    • D-065 – 0.2-40 bar.
  • Maximum operating temperature: 60°C.
  • Maximum intermittent temperature: 90° C.
  • For municipal and industrial liquid conveyance systems including high pressure systems (D-065).

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Last Updated on: Monday, 24 June 2013