Aluminum Air Vents/Vacuum Relief Valves (Series AV)

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AV Series - Aluminum Air Vents & Vacuum Relief Valves
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AV Series – Aluminum Air Vents & Vacuum Relief Valves

USES

AV series aluminum air vents are used on gravity (or higher pressure systems and are designed for evacuation of air when filling a pipe line. The air vents also provide positive vacuum relief when draining the system.

FEATURES

  • Precision ground solid float ball seats against an extra thick precision O-ring providing a tight seal at very low pressures.
  • Air vents operate trouble-free up to 150 psi (for 2”) and 100 psi (for 3”).
  • Aerodynamic air-flow design assures maximum vent capacity without premature closing.
  • Material selection prevents “sticking” in the closed position.
  • End connection is with standard Female pipe threads.

MATERIALS

No.DescriptionMaterial
1BodyAluminum
2O-RingNeoprene
3BallPolypropylene

RATINGS / CAPACITIES

API Part NumberSizeMax. Operating Pressure (psi)Vent CapacityVacuum Relief Capacity
AV01501 1/2"150 psi1.79"1.13" Clear Opening
AV02002"150 psi2.25"1.75" Clear Opening
AV03003"120 psi3.33"2.38" Clear Opening
AV04004"120 psi4.33"3.50" Clear Opening

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