Main applications

  • Advanced treatment / 3.stage
  • Bio. treatment / 2.stage
  • Biofuels
  • Boiler feed systems
  • Chemical industry
  • Chemicals and product carriers
  • Cooling water and condensate
  • Crude oil tankers
  • Desalination
  • Drainage pump stations
  • Energy
  • Flue gas desulphurization (FGD)
  • Flue gas desulphurization plants (FGD)
  • Flue gas desulphurization systems (FGD)
  • Food and beverages
  • General Processes
  • Groundwaterlevel (mining/buildings)
  • Industry engineering
  • Irrigation
  • Lake, Damwater extraction
  • Marine
  • Mech. treatment / 1.stage
  • Odour removal
  • Offshore platforms
  • Oil /Gas
  • Passenger ships and ferries
  • Petrochemical Industry
  • Power Stations > 100 MW
  • Pressure Drainage
  • Refineries
  • Sea -& Riverwater Extraction
  • Sewage treatment plants
  • Shipping / Shipbuilding
  • Special processes
  • Steel
  • Sugar
  • Surface treatment
  • Suspended solids treatment
  • Systems
  • Water Extraction
  • Water supply
  • Water treatment
  • Water works
  • Watertransport
  • Watertreatment
  • Well

Technical data

T max 160 °C
DN max 200
PN max 16


Diaphragm valve to DIN/EN with flanged ends, short face-to-face length; shut-off and sealing to atmosphere by completely enclosed spiral-supported diaphragm; body with or without lining, position indicator with integrated stem protection. All moving parts are separated from the fluid by the diaphragm. Maintenance-free.


Building services, industry and power stations; suitable for drinking water, service water, air, oil, technical gases, fluids handled in the food and beverage industry, abrasive and aggressive products in chemical engineering and process engineering.

Further technical information about SISTO-16S

Overview of technical data

T -20 – 160 (°C)
DN 15 – 200
PN 16
Actuator options available ex works Pneumatic actuator type MAT-P/PC, Electric actuator type MAT-E
Body design Straight pattern body
No dead volume" design Yes
Dimension standard EN 558-1/7 ISO5752/7
Handwheel movememt Rising
Valve disc/plug material Soft seat
Threaded-end design Flange design
Body material (EN standard) JS 1025, JL 1040
Main applications Shipping / Shipbuilding, Building services, Water, Oil / Gas, Energy, Industry and process engineering, Mining / Dredge, Waste water / sewage
Body material Nodular cast iron, Cast iron
Body/bonnet seal element Supported and enclosed diaphragm