2-way ball valve in block design


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


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

Article Table

Product Name DN* Pressure series Flange size LW mm Pressure PN AF mm SF*
Product Name DN* Pressure series Flange size LW mm Pressure PN AF mm SF*
BK SF 20 GFS 19 3000 PSI 3/4" 20 315 bar 14 1,5
BK SF 25 GFS 25 3000 PSI 1" 24 315 bar 14 1,5
BK SF 620 GFS 19 6000 PSI 3/4" 20 400 bar 14 1,5
BK SF 625 GFS 25 6000 PSI 1" 24 400 bar 14 1,5
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.