2-way ball valve in block design

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Connection 1 SAE flange
Connection 2 SAE counter flange
Contact travel 0°; 90°
Material Steel housing, ball and operating shaft
POM ball seal
NBR O-ring
Sealing form 1 + 2 flat seal with SF O-ring
Surface burnished
Temp. max. 80 °C
Temp. min. -10 °C


Please refer to the operating instructions for ball valves.
Note the permissible pressure limits for the connecting elements.

Article Table

Product Name SF* DN* Pressure PN Flange size Pressure series AF mm LW mm
Product Name SF* DN* Pressure PN Flange size Pressure series AF mm LW mm
BK SF 20 GFS 1.5 19 315 bar 3/4" 3000 PSI 14 20
BK SF 25 GFS 1.5 25 315 bar 1" 3000 PSI 14 24
BK SF 620 GFS 1.5 19 400 bar 3/4" 6000 PSI 14 20
BK SF 625 GFS 1.5 25 400 bar 1" 6000 PSI 14 24
DN = Nominal diameter, nominal width
LW = Clearance
PN = Nominal pressure PB = Max. operating pressure
AF = Width across flats
SF = Safety factor


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.