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Dynamic Seals Scraper A4

The Scraper A4 is a one-piece scraper with two wiper lips, and is available in polyurethane (TPU). It is characterized by its excellent abrasion resistance and features high durability due to the advantages of TPU. The second sealing lip wipes off the residual oil film from the rod.

The Scraper A4 can be used for pressures up to 2 MPa. The Scraper A4 is particularly suitable for mobile hydraulics with heavy dirt. The standard TPU compound for Scraper A4 has a hardness of 90 - 95 Shore A.

Scraper A4

Fields of application
single acting
double acting
Main use applications for hydraulic and pneumatic cylinders
Materials polyurethane

Technical values

Materials TPU
Pressure up to 2 MPa
Temperature -40°C / +100°C (material dependent)
Speed up to 1 m/s
Maximum values temperature, speed and pressure are simultaneously not applicable! The values vary in dependence of material and media. For technical queries please contact our application consultants – we have the right solution for you. 

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Mr. Andreas Raidt
Your contact person for

Technology - General sealing topics, special constructions

Mr. Andreas Raidt
Head of Engineering
Do you have any questions, ideas, or suggestions? We are more than happy to assist you with advice. In person, over the phone, or digitally.

Our Logistics – Your Service

Our Logistics – Your Service

Innovative, environmentally friendly and efficient

In addition to innovative techniques, our logistics has 2,870 sqm of process surface. We have the world's first AutoStore storage system on two levels. Both grits are connected to each other by means of special lifters. In total, up to 31,000 containers can be stored in a very confined space. Due to this subdivision, up to 240,000 storage areas can be managed most efficiently.