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Aluminum KF(QF) Up to Air Valves

Aluminum alloy air admittance valves (also called vent valves).

  • Both have a control knob attached to a screw-actuated plunger sealed by a nitrile o-ring onto a seat in the valve body


  • Mounts on a pipeline with a KF10 flange (supplied with valve)

Specifications Table

Material Component: AV10K
Body: HE30 aluminum
Plunger: N/A
Knob: Nylon 6
Seal: Nitrile
Leak Rate (cc/sec) Through Body: 10-1
Across Seat: 10-7
Weight 3.5 oz.

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Ordering Table

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Flange Selection Guide
With a variety of flanges to choose from, the Flange Selection Guide is designed to help you find one to meet your vacuum requirements. Shop Now!
Can't find the flange you need or want a custom configuration? Please call us at +1 412 387 9200 or email with your inquiry.
Contact Us - Aluminum KF(QF) Up to Air Valves