SISTO Armaturen S.A.

SISTO Armaturen S.A.

Core business

SISTO Armaturen S.A. has been developing and manufacturing valves, pneumatic actuators and accessories for critical applications in industry, power plant technology, building technology and sterile process technology for many decades.

SISTO has over 150 employees and is an associated company of the KSB Group, a globally active manufacturer and provider of pumps, valves and service, as well as of SNCI, the Luxembourgish Credit and Investment Bank.


Products & services

For customers who use aseptic processes, SISTO concentrates on high-quality diaphragm valves made of special stainless steel and high-alloy materials as well as on the related diaphragms and actuators. SISTO also provides competent and prompt support to customers in creating special designs such as multi-seat valves.

In order to fulfill the stringent requirements of customers and always comply with the latest technology, all quality-influencing production processes are carried out on SISTO’s premises in Echternach: from turning and milling with modern 5- to 9-axis machines to surface machining and electro-polishing. Even the vulcanization process for manufacturing diaphragms takes place in our own factory.


Technical / technological capabilities

The focus in research and development is on the continuous advancement and optimization of SISTO diaphragms. SISTO has in-house expertise in elastomer development, in the FEM-supported simulation of components and in the manufacture and optimization of diaphragm molds.

Cooperation with leading universities and institutes ensures continuous enhancement of this expertise. The control over the entire value-added process, the integrative knowledge and high qualifications of employees enable SISTO to deliver customer-specific solutions of maximum quality – flexibly and in good time.

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SISTO Armaturen S.A.


Philipp Gaudlitz

Creation date




Organisation type


Trading area


International locations

Europe, Asia, Africa, North America, South America, Oceania


18, rue Martin Maas
L-6468 Echternach



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