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BAR
The compact rod seal BAR is a combination of a lip seal with a highly flexible O-Ring, clamped inside the groove within the seal. In this manner, elasticity and abrasion resistance, as well as extrusion stability of the lip seal, complement one another perfectly. Through pretension of the inserted O-Ring, also with low pressures and vacuum, a efficient seal effect will be created, which speaks for insert, regarding mobile hydraulics. Also a certain seal abrasion, as well as temperature influences, can be compensated. With increasing pressure of the system the pressure dependent deformation of the O-Ring increases and again the pressing force of the sealing lips.
MAIN ADVANTAGES ARE
- high extrusion stability
- highly abrasion resistance
- also suitable with abrupt loading
- very good sealing function with pressureless conditions and low temperature conditions
- suitable for servere operating conditions
- easy to install
APPLICATION RANGE | |
working pressure: | ≤ 35 MPa (350 bar) |
operation temperature: | - 35 °C to + 80 °C temporary up to + 95 °C |
sliding speed: | ≤ 0,5 m/s |
media: | Hydraulic oil, based on mineral oil base |
Application categories mainly for mobile hydraulic, telescope-cylinders, forge presses, and sealing of plungers and piston rods.We will be happy to give you advice request. For further installation details please ask for consultation.
MATERIAL
Lip seal out of PU004 on polyurethane base with hardness of approx 94 Shore A, O-Ring NBR with approx 70 Shore A.
MOUNTING INSTRUCTIONS
To ensure a perfect function the BAR must have a certain play in axial direction (look atmeasure scale). So that the sealing lipswon?t be damaged, don?t pull them over sharp edges. Normally the BAR can be installed within closed grooves. In case of extreme width of profile and diameter measures, installing tools should be used, or open grooves should be desinged.
In certain cases (high temperature, speed, specific resistance to pressure, or use of water, HFA-, HFB- fluids a.s.o.) please contact with our application technology.
Do you need support in selecting the right seal or do you have any questions? We will be happy to help you directly!