Air Release Wastewater Valves

Air Release Valves, sometimes referred to as "small orifice valves," are often fitted at the highest point on a pipeline to continually release unwanted air during system operation to protect against unwanted surges and maintain system efficiency.


Product Overview

  • Available in sizes 2" - 4"
  • Tested to AWWA C512 requirements
  • Maintains systems flow efficiency
  • Releases unwanted air pockets during system operation
  • Protects system against air related surges
  • Manufactured under a certified ISO 9001 quality system
  • Automated Sizing Program

  • Features

  • Specifically designed for grit and sewage service without the need for backwashing when combined with fusion bonded epoxy slick coatings
  • Bodies are extended in length with a sloped bottom to prevent solid material from reaching the operating mechanism
  • Floats are equipped with a specially shaped bottom to accelerate the closure to reduce leakage and clogging of the valve
  • Available in light weight all stainless steel construction to eliminate corrosion
  • Unconditionally guaranteed T316 stainless steel floats
  • Stainless steel 316 internal trim
  • Resilient seating for positive shutoff
  • Performance proven for over 40 years

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    Valve Size Product Description Drawing Number
    2" - 4" Wastewater Air Release Valve VM-48A-S

     

    Valve Size Product Description Drawing Number
    2" - 4" 48A Wastewater Air Release Valve VM-48A-M
    2" - 4" 48A Wastewater Air Release Valve - SuperValve VM-48ADISV-M
    2" - 4" 48AS Wastewater Air Release Valve - All Stainless Steel VM-48AS-M
    2" - 4" 49A Wastewater Air Release Valve VM-49A-M
    2" - 4" 49A Wastewater Air Release Valve - SuperValve VM-49ADISV-M
    2" - 4" 49AS Wastewater Air Release Valve - All Stainless Steel VM-49AS-M

     

    Valve Size Product Description Drawing Number CAD Version
    2" - 4" 48A Wastewater Air Release Valve VMC-48A CAD-48A
    2" - 4" 48AS Wastewater Air Release Valve - All Stainless Steel VMC-48AS CAD-48AS
    2" - 4" 49A Wastewater Air Release Valve VMC-49A CAD-49A
    2" - 4" 49A Wastewater Air Release Valve - All Stainless Steel VMC-49AS CAD-49AS
    Severe Service Application Valves
    2" - 4" 48A Wastewater Air Release Valve VMC-48ABW CAD-48ABW
    2" - 4" 49A Wastewater Air Release Valve VMC-49ABW CAD-49ABW

     

    Valve Size Product Description Drawing Number
    2" - 4" Wastewater Air Release Valve WWAR-OM1

     

    Product Description Drawing Number
    Theory, Application and Sizing of Air Valves White Paper
    Application Chart Chart
    Why an Air Release Valve Opens (Compound Lever Type) SS-1513
    Venting Capacity for Air Release Valve Orifice Sizes SS-461
    Wastewater Air Release Valve Pipe Installation CAD - PDF
    Wastewater Air Release Valve Vault Installation CAD - PDF

    Air Valve Brochure