Merkel Rod-U-Cup T20 42x50x5.7 - Hydraulic Rod Seal PU 95 AU V142

Merkel Rod-U-Cup T20 42x50x5.7 - Hydraulic Rod Seal PU 95 AU V142

The Merkel® Rod-U-Cup T20 42 x 50 x 5.7 mm is a high-quality hydraulic rod seal made of polyurethane (PU) 95 AU V142, Shore A hardness 95, in distinctive blue. Designed as an asymmetric U-cup profile (T20), it provides excellent sealing performance in dynamic rod applications with low start-up friction and long service life.

Technical specifications:

• Dimensions: ID 42 mm, OD 50 mm, height 5.7 mm, groove width (L) 6.3 mm

• Material: PU 95 AU V142 (polyurethane), blue - superior abrasion and extrusion resistance

• Applications: hydraulic cylinders, construction equipment, injection molding machines, forklifts, cranes, presses

• Advantages: stable sealing under pressure, optimized geometry, low friction, excellent wear resistance

Why users search phrases like:

• “Rod seal 42x50x5.7”

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• “Rod-U-Cup T20 42x50”

Because they look for exact dimensions, profile, and material composition. All these keywords are naturally included here for SEO dominance.

5. FAQ - Frequently Asked Questions

1. What does the T20 profile mean?
It’s an asymmetric U-cup rod seal, widely used as a secondary rod seal in hydraulic systems.

2. What is the temperature range of PU 95 AU V142?
Typically from -30 °C to +110 °C, depending on the hydraulic fluid.

3. What does groove width L = 6.3 mm mean?
It indicates the standard housing width required for correct installation of this seal.

4. Where is this seal used?
In hydraulic systems of construction machinery, lifting equipment, injection molding machines, and other heavy-duty industrial applications.

5. Why choose Merkel Rod-U-Cup T20 over standard seals?
Because it combines optimized lip design, polyurethane durability, and low friction, ensuring longer service life and better reliability in demanding environments.

6. Keywords & Search Phrases (naturally embedded)

• Merkel Rod-U-Cup T20

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• 24h delivery rod seal