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

Certifications

  • Meets AWWA C512 requirements

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

Specifications

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

Materials of Construction

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 VM-803A-M

* For Dual Body, see Air Release & Air/Vacuum Sections.

Dimensions

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 VMC-803A CAD-803A
4" 804 Wastewater Combination Air Valve - Single Body VMC-804 CAD-804
1" - 2" 48A/301A Wastewater Combination Air Valve - Dual Body VMC-48A/301A CAD-48A/301A
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" - 2" 49A/301A Wastewater Combination Air Valve - Dual Body VMC-49A/301A CAD-49A/301A
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
1" 801ABW Wastewater Combination Air Valve - Single Body
(Severe Service Application Valves)
VMC-801ABW CAD-801ABW
2" - 3" 802ABW Wastewater Combination Air Valve - Single Body
(Severe Service Application Valves)
VMC-802ABW CAD-802ABW
4" 804BW Wastewater Combination Air Valve - Single Body
(Severe Service Application Valves)
VM-804BW  
1" 48A/301ABW Wastewater Combination Air Valve - Dual Body
(Severe Service Application Valves)
VMC-48A/301ABW CAD-48A/301ABW
2" 48A/302ABW Wastewater Combination Air Valve - Dual Body
(Severe Service Application Valves)
VMC-48A/302ABW CAD-48A/302ABW
3" 48A/303ABW Wastewater Combination Air Valve - Dual Body
(Severe Service Application Valves)
VMC-48A/303ABW CAD-48A/303ABW
4" - 8" 48A/304BW Wastewater Combination Air Valve - Dual Body
(Severe Service Application Valves)
VMC-48A/304BW CAD-48A/304BW
1" 49A/301ABW Wastewater Combination Air Valve - Dual Body
(Severe Service Application Valves)
VMC-49A/301ABW CAD-49A/301ABW
2" 49A/302ABW Wastewater Combination Air Valve - Dual Body
(Severe Service Application Valves)
VMC-49A/302ABW CAD-49A/302ABW
3" 49A/303ABW Wastewater Combination Air Valve - Dual Body
(Severe Service Application Valves)
VMC-49A/303ABW CAD-49A/303ABW
4" - 8" 49A/304BW Wastewater Combination Air Valve - Dual Body
(Severe Service Application Valves)
VMC-49A/304BW CAD-49A/304BW

Manuals

Valve Size Product Description Drawing Number
1" - 4" Wastewater Combination Air Valve - Single Body WCAV-OM1
1" - 4" Wastewater Combination Air Valve - Single Body - Spanish WCAV-OM1

* For Dual Body, see Air Release & Air/Vacuum Sections.

Technical Data

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