Combination Wastewater Valves

Combination Air Valves perform the functions of an Air/Vacuum Valve (exhaust large quantities of air on start-up, admits air on shut-down) and Air Release Valves (release air continuously during operation) to maintain system efficiency and prevent pipeline surges.


Product Overview

  • Available in Single Body sizes 1 " - 4"
  • Available in sizes Dual Body 1" - 8"
  • Provides the functions of both Air Release and Air/Vacuum Valves
  • Exhausts large quantities of air at system start-up
  • Releases air pockets during system operation
  • Provides pipeline vacuum protection
  • Manufactured under a certified ISO 9001 quality system
  • Automated Sizing Program

  • Features

  • Single body incorporates both features within one valve
    • More compact and economical
  • Dual body consists of two independent valves
    • Allows individual maintenance while still protecting pipeline
    • Wider range of sizing options
  • Inlets and outlets are equal to full nominal size
  • Available in light weight all stainless steel construction to eliminate corrosion
  • Unconditionally guaranteed T316 stainless steel floats
  • Stainless steel 316 internal trim
  • Exclusive high/low pressure resilient seating

  • Certifications

  • Meets AWWA C512 requirements
  •  

    Valve Size Product Description Drawing Number
    1" - 8" Wastewater Combination Air Valve VM-800-S

     

    Valve Size Product Description Drawing Number
    1" - 2" 801A Wastewater Combination Air Valves - Single Body VM-801A-M
    1" - 2" 801A Wastewater Combination Air Valves - Single Body SuperValve VM-801ADISV-M
    1" - 4" 801AS Wastewater Combination Air Valves - Single Body - All Stainless Steel VM-801AS-M
    3" - 4" 803A Wastewater Combination Air Valves - Single Body/td> VM-803A-M
      For Dual Body See Air Release & Air/Vacuum Sections  

     

    Valve Size Product Description Drawing Number CAD Version
    1" 801A Wastewater Combination Air Valve - Single Body VMC-801A CAD-801A
    1" - 4" 801AS Wastewater Combination Air Valve - Single Body - All Stainless Steel VM-801AS  
    2" 802A Wastewater Combination Air Valve - Single Body VMC-802A CAD-802A
    3" 803A Wastewater Combination Air Valve - Single Body VM-803A  
    4" 804 Wastewater Combination Air Valve - Single Body VMC-804 CAD-804
    Dual Body
    1" 48A/301A Wastewater Combination Air Valve - Dual Body VMC-48A/301A CAD-48A/301A
    2" 48A/302A Wastewater Combination Air Valve - Dual Body VMC-48A/302A CAD-48A/302A
    3" 48A/303A Wastewater Combination Air Valve - Dual Body VMC-48A/303A CAD-48A/303A
    4" - 8" 48A/304 Wastewater Combination Air Valve - Dual Body VMC-48A/304 CAD-48A/304
    1" 49A/301A Wastewater Combination Air Valve - Dual Body VMC-49A/301A CAD-49A/301A
    2" 49A/302A Wastewater Combination Air Valve - Dual Body VMC-49A/302A CAD-49A/302A
    3" 49A/303A Wastewater Combination Air Valve - Dual Body VMC-49A/303A CAD-49A/303A
    4" - 8" 49A/304 Wastewater Combination Air Valve - Dual Body VMC-49A/304 CAD-49A/304
    Severe Service Application Valves
    1" 801ABW Wastewater Combination Air Valve - Single Body VMC-801ABW CAD-801ABW
    2" - 3" 802ABW Wastewater Combination Air Valve - Single Body

    VMC-802ABW CAD-802ABW
    4" 804BW Wastewater Combination Air Valve - Single Body VM-804BW  
    1" 48A/301ABW Wastewater Combination Air Valve - Dual Body VMC-48A/301ABW CAD-48A/301ABW
    2" 48A/302ABW Wastewater Combination Air Valve - Dual Body VMC-48A/302ABW CAD-48A/302ABW
    3" 48A/303ABW Wastewater Combination Air Valve - Dual Body VMC-48A/303ABW CAD-48A/303ABW
    4" - 8" 48A/304BW Wastewater Combination Air Valve - Dual Body VMC-48A/304BW CAD-48A/304BW
    1" 49A/301ABW Wastewater Combination Air Valve - Dual Body VMC-49A/301ABW CAD-49A/301ABW
    2" 49A/302ABW Wastewater Combination Air Valve - Dual Body VMC-49A/302ABW CAD-49A/302ABW
    3" 49A/303ABW Wastewater Combination Air Valve - Dual Body VMC-49A/303ABW CAD-49A/303ABW
    4" - 8" 49A/304BW Wastewater Combination Air Valve - Dual Body VMC-49A/304BW CAD-49A/304BW

     

    1" - 4" Wastewater Combination Air Valve - Single Body WCAV-OM1
      For Dual Body See Air Release & Air/Vacuum Sections  

     

    Product Description Drawing Number
    Theory, Application and Sizing of Air Valves White Paper
    Application Chart Chart
    Wastewater Air Valve Installation - Single Body CAD - PDF
    Wastewater Air Valve Installation - Dual Body CAD - PDF
    Wastewater Air Valve Vault Installation CAD - PDF
    Sewage Force Main Installation CAD - PDF

    Air Valve Brochure