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Alfa Laval LKC Non-Return Valve

The Alfa Laval LKC Non-return Valve is a precision-engineered, self-acting check valve that ensures unidirectional flow and prevents reverse movement of fluids in hygienic processing lines. As part of Alfa Laval’s Fluid Handling Valve solutions, this Alfa Laval non return valve supports the safe and efficient transfer of products in industries where purity, flow control and safety are paramount.
Whether you're managing flow in dairy, food, beverage, brewery or pharmaceutical operations, the LKC non return valve delivers exceptional performance

 

 

Features		Benefits
Two-part valve body with a valve plug and spring Guide disc with four legs for precise spring-loaded valve alignment Available with weld or clamp ends for ISO and DIN tubing connections Available in two variants: LKC-2 Non-Return Valve for vertical flow, LKC-H for horizontal flow		Highly reliable, self-acting valve Easy to install and integrate into existing fluid handling valve systems Protects process equipment Prevents reverse flow

How does LKC Non-Return Valve work?

The LKC non return valve operates based on pressure differentials within the process line. When the inlet pressure exceeds the spring force, the non-return valve opens automatically to allow flow in one direction. If the pressure drops or attempts to reverse, the spring and outlet pressure seal the valve, preventing backflow. In vertical installations, the LKC-2 Non-Return Valve requires a minimum pressure difference of approximately 6 kPa (0.06 bar) to initiate flow. This simple yet highly effective mechanism ensures continuous, contamination-free operation across a wide range of sanitary applications.

FAQ

How does the LKC non-return valve prevent the reverse flow of fluids?
The Alfa Laval LKC non-return valve uses a one-way flow mechanism that allows fluids to flow in only one direction. When fluid attempts to reverse direction, the valve closes automatically, preventing backflow and ensuring the fluid system remains safe and operational.

What’s the difference between the LKC-2 Non-Return Valve and the LKC-H variant?
The LKC-2 Non-Return Valve is optimized for vertical flow, while the LKC-H is engineered for horizontal flow applications. Both variants are part of the alfa laval non return valve portfolio and are built to integrate seamlessly into sanitary Fluid Handling Valve systems.
 

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