Main applications

  • Breweries
  • Food and beverages
  • Industry engineering
  • Pharmaceutical/Biotechnology
  • Sugar
  • Water

Technical data

T max 160 °C
DN max 100
PN max 16


Piston actuator in high-grade stainless steel design for use on SISTO-C diaphragm valves. Available in single-acting spring-to-close or spring-to-open design, or double-acting air-to-open/air-to-close design; suitable for mounting limit switches or positioners to suit customer requirements, factory-mounted. Settings are adjusted during factory test run.


Biotechnology, pharmaceutical industry, sterile processes, food and beverages industry.

Further technical information about SISTO-C

Overview of technical data

T -20 – 160 (°C)
DN 6 – 100
PN 16
Body design 00
Bonnet design Bonnet
Certification FDA (CFR21 177.2600)
No dead volume" design Yes
Handwheel movememt Rising
Valve disc/plug material Soft seat
Threaded-end design butt weld end design
Body material (EN standard) 2.4602, 1.4539, 1.4435
Main applications Industry and process engineering
Body material Stainless steel
Actuator position indicator Yes
Actuator position feedback Yes
Body/bonnet seal element Enclosed diaphragm