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Dynamic Seals Scraper A7

The Scraper A7 is a one-piece wiper with a vulcanized metal supporting ring, and is available in NBR or FKM. The Scraper A7 in:
  • NBR is suitable for hydraulic and pneumatic applications
  • FKM is particularly suitable for applications where a higher chemical resistance is required.
The vulcanized metal supporting ring ensures a greater stability and allows simple groove design and installation. The Scraper A7 has a elastomeric material hardness of 90 to 95 Shore A.

Scraper A7

Fields of application
single acting
double acting
Main use applications for hydraulic and pneumatic cylinders
Materials elastomers; metal

Technical values

Pressure -
Temperature -40°C / +100°C (material dependent)
Speed up to 1 m/s
Pressure -
Temperature -20°C / +200°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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Scraper A8
Scraper A8
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.