Focus Aseptic

Valves for highest requirements

SISTO valves out of stainless steel are used in plants and processes with highest requirements concerning sterility, e.g. in pharmaceutical or in food and beverages production. Our modular system supports individual solutions with a short lead time for planning.

Sophisticated products

Operational safety thanks to outstanding technology

The unique sealing system of SISTO supports safety in operations and increases the lifetime of the SISTO diaphragms. Our focus in research and development is on the continuous improvement of maintainability and on the life-time of diaphragms.

We make a difference

Flexibility and customer orientation

As a company we focus on the fast and flexible fulfillment of customer requirements in high quality. This is accomplished by the high qualification of our employees as well as by the fact that most and especially quality relevant production steps are all done in-house at our factory at Echternach, Luxembourg.


Single Seat Valves

Multi Seat Valves

Tank Valves



Accessories / 

Custom Solutions


New solutions and insights into most recent activities