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About us


Competence in Process Engineering

Customized special solutions are our particular strenght. We build on an extensive and close cooperation with our customers throughout the entire duration of a project: from the planning up to the delivery and, thereafter, service and maintenance.


High Quality in stainless Steel

We produce and deliver a large variety of hygienic sanitary valves and components up to complete pigging and special systems.
The entire production process is subject to stringent quality assurance measures.


Modular and Reliable

By virtue of the high degree of production flexibility, customer requests can be taken into account and implemented in time.
All products are characterized by their modular design and high process reliability.


LIAG® Products and Services

  • Engineering and execution of hygienic pigging projects
  • Interface coordination and process integration
  • Manufacturing of sterile valves, armatures and process units (DIN, SMS and Inch standard) without dead pockets for low-germ processes (CIP/SIP)
    --> 2-/3- and 4-way arc valves
    --> 90°/120° pigging valves
    --> 2-way control valves
    --> Dynamic and static-sealing pigs
    --> Pig sensors for detection and control
    --> Pig launching and receiving stations / pigging lock
    --> Valve systems and clusters for the peripheral units
    --> Butterfly and ball valves
    --> Non return valves, swivel joint unions, sight glasses and telescope pipes
    --> Piping and assembly material