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  • D-23 | Reduced Bore Combination Air Valve for Wastewater

D-23 | Reduced Bore Combination Air Valve for Wastewater

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Description

The D-23 is a reduced bore combination air valve installed on a wastewater transmission system to increase pipeline efficiency and reduce energy requirements by improving the hydraulic operation of the system.

A continuous air gap in the valve body separates the wastewater from the sealing mechanism.

Product Features

  • Sealing pressure range: 3" : 0.02 -10 bar (PN 10) 0.1-16 bar (PN 16)  4" - 8" : 0.1-16 bar (PN 16)
  • Testing pressure: 1.5 times maximum working pressure
  • Maximum working temperature: 60° C.
  • Maximum intermittent temperature: 90° C.
  • All operating parts are made of specially selected corrosion-resistant materials

Application Range

  • Size Range: 3” -8
  • Flanged ends to meet any requested standard
  • Optional Covers (for air discharge direction and for add-on components):
  • 3” models - two-directional cover is standard
  • 4” -8” models - optional one directional and two-directional cover
  • Optional Add-on Components:
    One-way, Out-only attachment, allows for air discharge only, prevents air intake.
    Vacuum Breaker, In-only attachment, allows for air intake only, prevents air discharge.

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Last Updated on: Thursday, 12 August 2021