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.

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    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


    • 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


    • Meets AWWA C512 requirements

    Combination Wastewater Valves

    For more information on the Combination Wastewater Valves

    Download the Combination Wastewater Valve Product Guide.

    Download the Combination Wastewater Valve Operation Guide.