2-way ball valve in low pressure design

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Connection 1 BSP cylindrical internal threads
Connection 2 BSP cylindrical external threads
Contact travel 0°; 90°
Material Brass housing
Aluminium handle
Brass ball, hard chrome-plated
PTFE ball seal
Surface nickel plated
Temp. range Air: - 20 °C to + 150 °C
Water: 0 °C to +150 °C


The pressure figures are applicable for temperatures from 0 °C to +25 °C; at higher temperatures, pressure reductions must be taken into account.

Article Table

Product Name DN* Operating pressure bar Connecting thread
Product Name DN* Operating pressure bar Connecting thread
BKR 06 HR ND 6 50.0 G 1/4" -19
BKR 10 HR ND 10 50.0 G 3/8" -19
BKR 13 HR ND 12 50.0 G 1/2" -14
BKR 20 HR ND 19 40.0 G 3/4" -14
BKR 25 HR ND 25 40.0 G 1" -11
BKR 32 HR ND 31 30.0 G 1.1/4" -11
BKR 40 HR ND 38 30.0 G 1.1/2" -11
BKR 50 HR ND 51 25.0 G 2" -11
DN = Nominal diameter, nominal width
SF = Safety factor
AF = Width across flats
BD = Working pressure

Order hints

Other pressure and temperature figures available on request.


Despite careful checking, we cannot guarantee the accuracy of all information included on this site, and we accept no liability.
All data and information in our online catalogue are based on currently valid standards and the regulations from the employer's liability insurance association. Product safety can only be guaranteed when our assembly instructions are carefully observed. Non-adherence to these regulations can affect product operation and functioning and result in a loss of warranty. Our warranty is only valid for HANSA-FLEX products. Our products are constantly subject to further development and technical changes are therefore possible.