Park Release Valve (PRV)
Trailer park brake control valve with single-button design
Key Facts
Patented DesignSingle button design with easy 3-step push/pull operationOptimized Size50% less volume suits smaller installation spacesSafe Trailer ParkingIntuitive driver interface for trailer parking and shunting
Next generation Trailer Park Brake Control Valve for safer parking & trailer shunting. Unique single-button design for easy push/pull operation of Park, Drive & Release functions helps improve control of trailer (un)coupling procedures. Replaces conventional two-button PREVs on most trailers if used with ZF´s iEBS providing an intelligently integrated trailer emergency brake function. It offers 50% volume & 60% weight reduction. Its integrated silencer helps protect operators.
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Details
Customer Benefits
- Intuitive, one-hand interface for the driver to control the trailer park brakes for safer parking and shunting
- Single-button push/pull operation helps to avoid injuries and damages caused by mismatching or misuse of the buttons during trailer (un-)coupling procedures
- Transforming traditional two-button PREV operations into an easy single-button push/pull solution
- Simplified and fast installation due to reduced amount of piping from trailer front to control panel at the back and integrated push-to-connect fittings
- Compact design and lightweight composite material with 50% less volume and 60% less weight [compared with ZF´s standard PREV] enables mounting on space-limited trailer side panels
- Composite material provides corrosion resistance while maintaining robustness
- Integrated silencer protects operators and helps to comply with upcoming noise regulations
Features and Capabilities
- Mounted on side of trailer for easy and distinct operation of the trailer park brake key processes: Park, Drive and Release with single-button push/pull operation
- Red button pulled out to park position applies the parking brake (un-)coupled, middle position sets for driving, red button pushed into release position enables the uncoupled trailer to be towed / shunted without any external supply of compressed air
- Reduces number of pneumatic connections and required piping and comes with pre-mounted pressed-in fittings for fast (dis)assembly
- Integrated silencer helps to decrease noise level
- Emergency brake function incorporated within the Intelligent Electronic Braking System (iEBS)
- Integral part of the Intelligent Braking Platform for trailers working with iEBS, replacing Park Release Emergency Valve (PREV) on most trailer types
- First to market with unique single button design (patented) that combines three functions Park, Drive, Release
