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BU Reciprocating Hydraulic Cylinder Double Acting Seals

Short Description:

BU Piston rod seal is a compact seal with a baffle ring. This seal is mainly used in the construction machinery cylinder seal system, as a buffer seal. The BU-type piston rod seal separates the main seal from the cylinder pressure, which is often as high as 1,000 bar in extreme conditions. Due to its special structure, this seal can transfer the pressure formed between the main seal and the buffer seal back to the system.

Temperature(℃): -35/+110
Speed (≤ m/s): 0.5
Pressure (≤MPa): 50
Application: Mobile hydraulic equipment, standard oil cylinder, machine tool, construction machinery, hydraulic press
Material: PU, POM

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♠Description

BU brown PU+NBR rubber seal Hydraulic Rod Compact Seal

BU Rod Seal is the result of further development. It has two sealing lips and a strong anti-extrusion retaining ring. This additional lubrication is maintained in the sealing gap due to the action of the two sealing lips. (This greatly reduces dry friction and wear, thus extending the life of the seal.) Under certain conditions, satisfactory sealing performance can only be achieved by means of seals installed in their respective grooves one after the other. BU, a two-channel lip seal, can replace the expensive series device.

Above all, BU Rod Seal can be used in a variety of applications where the physical properties of ordinary rubber or fabric reinforced rubber are not met.

♥Property

Material	PU+NBR
Temperature	-35℃~+110℃
Speed	≤0.5m/s
Medium	Hydraulic Oil
Press	≤50MPA
Color	Blue, Green, Brown
Hardness	93A shore

♣Advantage

●Prevent internal pressure generation in the seal●Pressure and oil resistance●Suitable for demanding working conditions●Long service life●A wide range of temperature utilization●Easy to install