Automatic Air Vent

Automatic Air Vents: An Essential Choice for Hot/Cold Water Systems

Automatic Air Vents play a critical role in maintaining the efficiency and safety of hot and cold water systems. They are strategically installed at high points in the system to vent trapped air. The Envotec E900 Automatic Air Vent Valve is your reliable solution for this purpose.


Key Features of the Envotec E900 Automatic Air Vent Valve:

  • Versatile Air Venting: Designed to efficiently vent air from various liquids, including petroleum products, and fluids with varying specific gravities. This makes it ideal for systems where air entrapment can be potentially hazardous.
  • Automatic Priming: The E900 is not limited to air venting; it also excels in automatic priming for vacuum-primed pumps. This ensures your pumps start efficiently and reliably.
  • Vacuum Check Option: For added convenience and system integrity, you have the option to attach a vacuum check to the valve outlet. This feature prevents air from re-entering the system, maintaining optimal performance.


Technical Specifications:

  • Material: High-quality ductile iron with epoxy coating both inside and out, ensuring a long lifespan and durability, even in demanding piping systems.
  • Maximum Working Pressure: With a maximum working pressure of 232psi (PN16), the E900 can handle the demands of various applications.
  • Maximum Working Temperature: The valve is designed to operate reliably at temperatures of up to 120ºC (248ºF), making it suitable for a wide range of environments.
  • Test Pressure: The E900 is rigorously tested to withstand pressures of up to 348psi (PN24), ensuring its robustness and reliability in the field.


Envotec’s commitment to quality and durability is reflected in the design and construction of the E900 Automatic Air Vent. Its ductile iron body, coated both inside and out, guarantees longevity and performance in piping systems. When commissioning a system, trust in the Envotec E900 to efficiently vent air, optimize pump priming, and maintain the integrity of your hot and cold water systems.

Ensure the smooth operation of your systems with the Envotec E900 Automatic Air Vent Valve – your dependable solution for air venting and system priming.

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