Description

Alfa Laval Unique Sampling Valve - Double Seat Valve

The Alfa Laval Unique Sampling Valve (Double Seat) is engineered for precise, sterile, and contamination-free sampling in hygienic process environments. This high-performance Double Seat Sampling Valve delivers exceptional reliability, repeatability, and cleanability, making it the go-to solution for industries demanding high-quality and cost-effective sampling. Designed for flexibility, the unique sampling valve can be operated manually or pneumatically and is suitable for CIP and SIP processes.
Ideal for the dairy, food, beverage, brewery, pharmaceutical, and personal care sectors, this Sampling Valve helps ensure safe, representative samples every time.

Features		Benefits
Single-piece stainless steel valve body Choice of manual handle or automated actuator Available in three sizes: Type 4, Type 10, and Type 25 Compatible with collared pipe, tank, or Tri-Clamp connections		Safe, hygienic, contamination-free sampling Reliable and consistent performance Easy to operate and maintain Double seat with enhanced cleanability Modular design and easy to upgrade Fully sterilizable for aseptic sampling in hygienic applications, including sensitive pharmaceutical and beverage environments

How does Double Seat Valve work?

This unique sampling valve features a patented double-seat design that allows for three critical functions: sampling, shut-off, and sterilization to ensure sterility before, during, and after sample extraction.
1. Open Position:
Manual: Turn the handle counter-clockwise
Pneumatic: Apply air pressure to the open port to retract the stem and open the valve

2. Shut Position:
Manual: Rotate the handle clockwise
Pneumatic: Stop air supply to the open port

3. Sterilization Position:
Manual: Turn the handle clockwise to the steam position
Pneumatic: Apply air to the steam port, extending the inner spindle while retracting the outer one, fully exposing the seat surface for complete sterilization

This innovative functionality makes the Double Seat Sampling Valve ideal for processes where absolute hygiene and product integrity are critical.

FAQ

What is a double seat valve?
A double seat valve includes two independent sealing surfaces that allow separation of different process flows or functions such as sampling and sterilization. In the Alfa Laval Unique Sampling Valve, this ensures complete sterility between and after sampling events.

How does the Double Seat Unique Sampling Valve ensure sterile conditions during sampling?
The Double Seat Unique Sampling Valve features a design that allows for sterilization of the entire seat between sampling operations, thus eliminating the risk of cross-contamination and ensuring sterile conditions during each sampling process.

What is the difference between single seat and double seat valves?
Single seat valves are typically used for basic shut-off and control, while double seat valves, like this one from Alfa Laval, enable simultaneous shut-off and sterilization, offering enhanced hygienic protection during sampling operations.

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Alfa Laval Unique Sampling Valve - Double Seat Valve

Alfa Laval Unique Sampling Valve - Double Seat Valve

Features

Benefits

How does Double Seat Valve work?