Piston seal B-NWO

  • Image_1 Image_1
  • Image_2 Image_2


Application Hydraulics
Design piston seal
Installation on one-piece pistons
Material (2) Seal: fabric-reinforced NBR
(1) Guide ring: acetal resin
Max. operating pressure up to 500 bar
Media Mineral oil
Water emulsions
Sliding speed max. 0.5 m/s
Temp. max. 110 °C
Temp. min. -30 °C


Low spatial requirement.
High resistance to extrusion.

Article Table

Product Name G mm D mm d nom. mm L mm R mm
Product Name G mm D mm d nom. mm L mm R mm
B 393 314-NWO 6.35 100.0 80.00 14.5 94.15
B 411 334-NWO 6.35 104.5 85.00 13.0 98.90
B 472 393-NWO 6.35 120.0 100.00 14.5 114.10

Order hints

Alternative material possible: FPM.
For special operating conditions (fluid, temperature, pressure ...) please contact us.


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.