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Alfa Laval LKUV-2 Air-Relief Valve

The Air relief valve LKUV-2 from Alfa Laval is a self-acting, hygienic air-relief valve engineered to automatically vent unwanted air from pipelines, pump inlets or high points in a system. As part of Alfa Laval’s Control Valves portfolio, the LKUV valve ensures smooth operation by preventing air pockets, minimizing the risk of cavitation, and safeguarding product quality in sanitary processing environments.

Its vertical installation makes it ideal for Cleaning-in-Place return lines (CIP-R) and other systems requiring stable pressure conditions. Perfect for use in the dairy, beverage, food and pharmaceutical industries, the Air relief valve LKUV-2 supports clean, efficient and reliable fluid handling.

 

 

Features		Benefits
Two-part stainless-steel valve body with welding stub Clamp-assembled design for easy maintenance		Improved processing efficiency and product integrity Enhanced energy efficiency Preserves product integrity by avoiding air entrainment or cavitation Low total cost of ownership

How does LKUV-2 Air-Relief Valve work?

The Alfa Laval LKUV-2 Air-relief Valve operates with a free-moving, lightweight polypropylene ball that reacts to pressure changes. When the inlet pressure rises, the ball is pushed upward from its lower seat, sealing the valve and preventing air from escaping. If air accumulates in the pipeline and pressure drops, the ball shifts away from the upper seat to release the excess air to the atmosphere. When no pressure is present, the ball naturally returns to the lower seat, effectively closing the valve.

FAQ

How does the LKUV-2 air-relief valve help in product preservation?
This control valve ensures air is removed from the process line while preventing product loss, which is essential for maintaining product quality and minimizing waste.

Can LKUV-2 Air-relief Valve be installed in a horizontal position?
No, the LKUV-2 Air-relief Valve from Alfa Laval is specifically designed for vertical installation. Attempting horizontal installation of the LKUV-2 Air-relief Valve may impair its ability to vent trapped air and compromise system performance properly. Proper placement ensures stable pressure conditions and efficient air venting, improving processing efficiency and energy savings.

What is the function of the Alfa Laval LKUV-2 Air-relief Valve in sanitary processing systems?
The Alfa Laval LKUV-2 Air-relief Valve is a self-acting, hygienic air-relief valve designed to automatically vent unwanted air from pipelines, pump inlets, or high points in a system. This air relief valve LKUV-2 plays a crucial role in preventing air pockets, reducing the risk of cavitation, and protecting product integrity in fluid handling applications.
 

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