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Guarding Concrete Mixers

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BEVEILIGEN VAN MENGERS

Machine safety in the concrete & cement industry

Industrial concrete mixers have several access hatches that are used for inspection, maintenance and cleaning.

Securing these mixers according to the machine directive can be done using a trapped key interlock system. Access through the Mixer hatches is only allowed after the power supply to the mixers has been electrically or mechanically isolated.

Inspection or cleaning during a manual operation (max. 10% power for 10 sec) is possible when the mixer is equipped with a frequency inverter in combination with our two-hands console.

Resistant to dust, debris and vibrations

No wires to hatches or valves

TüV certified to SIL 3, Cat 4 and PLe

machine guarding concrete mixers
Switched turned to off-position
Concrete mixer is operational
Bolt lock with 3 access keys View Product range
Mechanical door interlock View Product range
The primary access key is turned and removed. The bolt gets extended to physically prevent the switch from turning.
The access key is entered into the hatch lock to unlock the interlock.
The access key stays trapped unitl the hatch is closed.

Products used for this application

Bolt lock
Mechanically secures energy sources

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Door interlock
Veilig vergrendelen van deuren en luiken

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Sales engineer Marco Heijkoop small

Marco Heijkoop

Sales Engineer

marco.heijkoop@usp-safety.com
Sales engineer Rick de Jonge small

Rick de Jonge

Sales Engineer

rick.dejonge@usp-safety.com
Internal sales coördinator Michael Dissel small

Michael Dissel

Sales coördinator

michael.dissel@usp-safety.com
Technical specialist Bob Wijnveldt small

Bob Wijnveldt

Technical Specialist

bob.wijnveldt@usp-safety.com
Rob Voordendag small

Rob Voordendag

rob.voordendag@usp-safety.com
Robert van de Ven small

Robert van de Ven

robert.vandeven@usp-safety.com

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