Oil Seal Rings USH/UPH/Y NBR U-cup Piston Hydraulic Rod Height 5-12mm Universal
● Specifications: 

Product Name Oil Seal
Material NBR
Model USH/UPH/Y
Operating temperature -20~+100C
Color: Black
Specification Size (Inner Diameter * Outer Diameter * Height, unit: mm)
Inner Diameter: 11.2mm ~ 210mm
Outer Diameter: 19.2mm ~ 230mm
Height: 5mm 6mm 7mm 8mm 9mm 10mm 12mm

● Features : 

1、Good sealing performance, easy to install;.
2、Resistant to impact pressure;.
3、Allow larger extrusion gap.
Technical Parameters.
Temperature:(Butyl rubber NBR)-20C~+100℃.
Pressure: ≤40MPa.
Medium: hydraulic oil, emulsion, air.
Reciprocating speed:≤0.5m/s
Product Description.
U-shaped Y-type sealing ring in the low pressure, only by the lip of the interference deformation to produce sealing, because the contact area is small, the friction is relatively low, as the pressure rises, the lip of the elastic deformation increases, the tensile, compressive and bending stress increases, the radial pressure of the U-type ring automatically becomes larger, and the sealing surface of the contact with the length of the sealing surface increases until the U-type ring of the entire axial length of the sealing surface in contact with the U-type ring to ensure that the high-pressure state of the sealing performance is good. U-ring is the most commonly used oil seal in hydraulic cylinders, it is a typical lip seal, no matter used for piston or piston rod can get good sealing.

●Use For: 

Widely used in hydraulic rods, hydraulic cylinders, pistons, piston rods, cylinders, energy equipment, chemical equipment, engineering machinery, automobiles and so on. It is the best choice for replacing broken oil seals.

●Friendly Tips: 

The size is measured by hands, please allow minor error of measurement. Photo color might be a little different from the actual product due to color display of different monitors.

● Warm Tips: 

Package Include: According to your choice.

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