Skip Ribbon Commands
Skip to main content



Ball valve (VB550) Shutoff valve for the supply; 3/4" (for DN 20)

Product Description

Stop-Ball ball valves are used as shut-off valves in hydronic heating and cooling systems. The straight body design enables easy operation, even when installed at places difficult to reach.

Technical Properties

Port diameter 3/4 inch
Medium type water or water-glycol mixture according to VDI 2035
DN size 20 mm
Port connection internal threads
Nominal pressure PN16
Media temp. 2 ... 130 oC
Kvs value 36
Body pattern straight
Materials Valve housing and spindle made of brass with chrome-plated brass ball, PTFE sealings, O-rings made of Viton(R), and brass packing.
Place in installation supply or return
General features
  • Valve body made of brass
  • High flow rates
  • Easy operation due to straight body design
  • Available from DN15 to DN50
Max. operating pressure 16 bar