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Braukmann Stop-Ball (VB550) Shutoff ball valve

Braukmann Stop-Ball (VB550) Shutoff ball valve

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

Medium type water or water-glycol mixture according to VDI 2035
Port connection internal threads
Nominal pressure PN16
Media temp. 2 ... 130 oC
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


Product Type DN size
Port diameter
Kvs value

15 mm 1/2 inch 14,8

20 mm 3/4 inch 36

25 mm 1 inch 70

32 mm 1 1/4 inch 112

40 mm 1 1/2 inch 202

50 mm 2 inch 288