Qingdao Ruichen Sealing Technology Co., Ltd.
Qingdao Ruichen Sealing Technology Co., Ltd.
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Premium Single-Acting U-Cup Lip Seal

Ruichen Seals' Premium Single-Acting U-Cup Lip Seal utilizes high-performance polyurethane (PU) material and an asymmetric structural design. Complying with ISO5597 international groove standards, it was developed for one-way sealing in reciprocating hydraulic applications. It offers excellent sealing performance, wear resistance, and anti-extrusion capabilities, making it suitable for construction machinery, agricultural equipment, and industrial hydraulic systems.

The Premium Single-Acting U-Cup Lip Seal is an asymmetric seal designed for use on pistons. It is suitable for one-way sealing in hydraulic reciprocating motion and offers excellent sealing performance. The groove conforms to ISO5597 standards.


Applicable working conditions (limit values should not appear at the same time)

Pressure Mpa

Temperature ℃

Speed m/s

Medium

≤40

-30~+100

≤0.5

Hydraulic oil, minerals, emulsion, etc.


Material selection: polyurethane (PU)


Ordering Example

Order Model RCUPD63x48x10 Cylinder Diameter x Groove Diameter x Seal Height

Extrusion Gap

Pressure Mpa

Extrusion gap Smax

Cylinder diameter D≤60mm

Cylinder diameter D>60mm

≤5

0.4

0.5

≤10

0.3

0.5

≤20

0.2

0.3

≤30

0.15

0.2

≤40

0.1

0.15


Hot Tags: Premium Single-Acting U-Cup Lip Seal
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Get competitive prices, technical support, and fast responses. Send your specifications to Ruichen for tailored sealing solutions. Free samples available.
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