Rectangular seal BECA 011 Piston
bronzecarbonother materials

rectangular seal
rectangular seal
rectangular seal
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bronze, carbon, other materials, PTFE
for aircraft
Other characteristics
static, dynamic, large, hydraulic
Temperature limit

Max.: 260 °C (500 °F)

Min.: -200 °C (-328 °F)

Pressure limit

Max.: 250 MPa

Min.: 0 MPa


The BECA 011 Piston profile is a back-up ring cut at 30° with a rectangular profile. The ring is systematically assembled in tandem with an O'Ring or an X'Ring. An uncut version of this profile can be made. Advantages Used in static and dynamic applications May be used for alternating and rotating applications Large contact surface area, which protects the O'Ring from deformation caused by pulsating pressures Preferred assembly in a closed groove for profiles cut at 30° Assembly in open groove for uncut profiles Applications Automotive Hydraulic equipment Mobile machinery Machine tools Injection presses Valves Hydraulic cylinders Materials Standard virgin PTFE Filled PTFE (fibreglass, carbon, bronze) Other materials may be used Speed - 2 m/s in alternating or rotating applications Medias - The majority of liquids, or gaseous or chemical fluids.


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