Material Health Certificate

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The ZF pneumatic release cylinder ConAct® is designed for push-type diaphragm spring clutches in heavy- and medium duty commercial vehicles. In automated transmissions, the AMT system is designed to automatically determines the ideal release position – even for challenging driving situations such as maneuvering, starting on an incline with a heavy load, or starting on a slippery surface. Controlled by the vehicle‘s electronics, the solenoid valve regulates the clutch actuation by means of the pneumatic ConAct® cylinder in order to prevent clutch overload caused by the driver.

With its low number of system components and the direct clutch actuation, ConAct® is designed to improve the controllability of the clutch in AMT applications.

This certificate covers the following products:


Certification Standard Version 3.1

Renewal Date: 29 September 2021

Where to Find:

Product Website

Manufacturer Contact:

Thorsten Krug

.(JavaScript must be enabled to view this email address)

+49 521 41703-54

Company Website

This product is also Cradle to Cradle Certified