
Double seal valves
Alfa Laval Double Seal Valves: Safe and Economical Mixproof Solutions
Alfa Laval double seal valves offer a cost-effective solution for safely handling the simultaneous flow of two different products or fluids through the same valve without cross-contamination. These standardized, top-loaded pneumatic valves are designed for hygienic applications, ensuring leakage detection, Cleaning-in-Place (CIP), and operational safety across industries such as dairy, food, beverage, and home-personal care.
Key Benefits:
- Safely separates two process fluids or a process fluid and cleaning media, eliminating contamination risks.
- Self-draining design enhances operational and product safety, improving overall hygiene.
- Low maintenance requirements thanks to durable, minimal moving parts and a top-loaded design for easy disassembly and servicing.
- Fully maintainable actuator ensures precise valve control, boosting uptime and efficiency.
- Produces higher-quality products at reduced costs through reliable aseptic separation.
Alfa Laval double seal valves combine safety, reliability, and efficiency, making them ideal for maximizing hygienic and aseptic processes that demand robust performance and cost-effective operation.

Alfa Laval SMP-BC Valve
The Alfa Laval SMP-BC Mixproof Valve is a hygienic, pneumatic double-seal valve specifically engineered to handle the simultaneous flow of two different products without any risk of cross-contamination. This top-loaded valve is both standardized and cost-effective, featuring quick leakage detection to ensure maximum product safety and minimal maintenance requirements due to its few moving parts. It is frequently employed in Cleaning-in-Place (CIP) lines and can be utilized in various systems handling different products.
- Hygienic double-seal mixproof valve
- Versatile, modular design meets most hygienic application
requirements - Cost effective
Incorporating advanced features, the Alfa Laval SMP-BC Mixproof Valve is purpose-built for hygienic applications necessitating extra safety measures, leakage detection, and Cleaning-in-Place (CIP) procedures. It finds extensive utilization in diverse industries, including dairy, food and beverage, personal care, and various others
Contact usHow Do Alfa Laval Double Seal Valves Work?
Alfa Laval double seal valves are remotely controlled using compressed air and are equipped with two pneumatic normally open (NO) valves - a leakage detection valve and a CIP valve. The valve plug features two seals, creating a leakage chamber between them under atmospheric pressure.
Any product leakage is discharged into the leakage chamber via the leakage detection valve, preventing contamination. The leakage chamber can be cleaned efficiently by introducing Cleaning-in-Place (CIP) fluid through the leakage detection valve. Designed for reliability, these valves are resistant to water hammer in the product line above the plug, ensuring safe and uninterrupted operation.