Unique SSV Manual

Unique SSV ManualConcept

The Unique Single Seat Aseptic Manual Valve meets the highest demands of your process in terms of hygiene and safety. Built on the well-proven Unique SSV platform it features a one-piece diaphragm to ensure hermetic sealing towards the atmosphere. The valve is designed for aseptic processing and it is available in a one or two body configuration as well as an tank outlet valve configuration.

Working principle

The valve is a manual operated seat valve in an aseptic and modular design for a wide field of duties, e.q. as a shut-off valve, as a change–over valve, as a tank outlet valve or as regulating valve. The Regulating Valve is used for control of pressure and flow and the plug can be fixed in the adjusted position with a lock screw.

Standard design

The Unique SSV Aseptic Manual Valve comes in a one or two body configuration. With its module built structure it is designed for flexibility and easy customization through the electronic configurator (CAS). The Unique SSV Aseptic Manual Tank Outlet Valve comes in a one body configuration, which can be delivered with or without a tank flange. The valve body is clamped to the tank flange and can be turned in any position if the clamps are slightly loosened. The tank flange is welded directly into the tank.


How it works


The Alfa Laval Unique SSV range consists of one, two or three valve bodies, plug, sealing, actuator and clamp ring.

Operating principle

The Alfa Laval Unique SSV is an air-operated seat valve that is remotely operated by means of compressed air. The valve generally has two working ports for air supply in and for process air supply; for changeover valves, a third port is required.

Unique valve body

Unique SSV Aseptic


  • Product wetted seals in HNBR or FPM
  • TR2 plug seal in PTFE for special applications
  • Fittings in accordance with required standard
  • External surface finish 3-A bright

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