Double seat valve for hygienic processing
Eliminate cross-contamination risks and enhance efficiency with a modular valve solution designed for seamless separation and cleaning in high-pressure liquid processing.

Prevents Cross-Contamination in Hygienic Processing
The Unique Mixproof Process Valve from Alfa Laval is a hygienic, double seat valve designed for dairy, food, and beverage producers seeking to prevent cross-contamination. This valve features a normally closed design with dual plugs and seals, ensuring separation of liquids and leakage detection. Ideal for high-pressure applications and automated, remote-controlled operations, this valve integrates seamlessly into continuous processing lines. Its modular design supports various applications and capacities, while compliance with FDA and 3A standards ensures adherence to hygienic requirements. Maintenance is simplified through a maintenance-free actuator and proven seal technology, and integration with Alfa Laval’s ThinkTop unit can save up to 90% in water and cleaning media, enhancing both operational efficiency and environmental sustainability.
Benefits
- Prevents cross-contamination, ensuring product safety and quality.
- Minimizes environmental impact with up to 90% savings in water and cleaning media.
- Enhances production reliability with durable, high-pressure resistance.
- Simplifies maintenance with extended intervals due to a maintenance-free actuator.
- Adapts easily to varying production needs with modular construction and capacity options.
- Applications
- Food,Beverages,Dairy
- End products
- Wine,Milk,Cheese,Yogurt,Soup,Ice cream,Juice,Chocolate,Soft drinks,Beer
- Steps before
- Product handling,System preparation,Pipeline configuration
- Steps after
- Cleaning-in-Place (CIP),Product safety verification,Maintenance check
- Input ingredients
- process fluids,dairy products,food ingredients,beverages
- Output ingredients
- processed products,spillage-free product,clean product flow
- Market info
- Alfa Laval is renowned for its expertise in heat transfer, separation, and fluid handling technologies, providing innovative, energy-efficient engineered-to-order solutions for various industries including food, marine, and energy.
- Valve Type
- Double seat mixproof
- Material Standards
- FDA,3A
- Pressure Handling
- High pressure
- Operation
- Normally closed (NC)
- Control Method
- Remote compressed air
- Sizes Available
- Various sizes
- Cleaning Efficiency
- Spillage-free
- CIP Media Savings
- Up to 90%
- Actuation Type
- Maintenance-free actuator
- Seal Technology
- Defined compression
- Working mechanism
- Normally closed,air-operated valve
- Integrated steps
- Leakage detection chamber
- CIP/SIP
- CIP with Alfa Laval ThinkTop
- Batch vs. continuous operation
- Batch / Inline
- Automation level
- Compatible with Alfa Laval ThinkTop
- Valve type
- Double seat mixproof valve
- Footprint
- Compact
- Size Availability
- Various sizes
- Design
- Modular
- Seat lift function
- Yes
- Operation Method
- Normally Closed (NC)
- Control panel type
- Alfa Laval ThinkTop valve control unit
- Footprint
- Compact,modular design
- Valve size
- Available in various sizes