Qingdao Ruichen Sealing Technology Co., Ltd.
Qingdao Ruichen Sealing Technology Co., Ltd.
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U-Cup Rod Seals

Ruichen Seals is a leading manufacturer and core supplier of piston rod seals in China. Its shaft seals, developed specifically for hydraulic reciprocating motion, feature an asymmetric structural design that complies with ISO5597 standards. They offer excellent static and dynamic sealing performance, strong residual oil recovery capabilities, and are easy to install. They are widely used in auxiliary sealing systems for various types of engineering machinery and heavy equipment.

The RCUR shaft seal is an asymmetric seal designed for piston rods, suitable for one-way sealing in reciprocating hydraulic applications, offering excellent sealing performance. Its groove conforms to ISO 5597. It serves as a secondary seal in sealing systems. 


Features:

1. Excellent static and dynamic sealing performance;

2. Strong residual oil recovery capability under dynamic conditions;

3. Simple structure, easy installation and maintenance.


Applicable Operating Conditions (Extreme Values Should Not Appear Simultaneously)

Pressure Mpa

Temperature ℃

Speed m/s

Medium

≤35

-30~+100

≤0.5

Hydraulic oil, minerals, emulsion, etc.


Material Selection

Polyurethane (PU)


Ordering Example

Order Model RCUR 63x73x10 Rod Diameter x Groove Diameter x Seal Height

Extrusion Gap

Pressure/Mpa

Extrusion gap Smax

Rod diameter d≤60mm

Rod diameter d>60mm

≤5

0.4

0.5

≤10

0.3

0.4

≤20

0.2

0.3

≤30

0.15

0.2

≤40

0.1

0.15


Hot Tags: U-Cup Rod Seals
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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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