For applications where extra security is necessary to prevent closing of the gas spring without the users' control, we offer you, besides our "Blocklift" range, our Lift type with an Automatic Locking / Safety Tube.

The Automatic Locking Safety Tube is an external mechanical locking device which is mounted over the piston rod and fitted to the piston rod end. It is simple to use and operates automatically. When the gas spring is fully extended the spring-loaded Automatic Locking/Safety Tube springs into place and blocks the moving way of the piston rod, thus preventing the gas spring from compressing. To compress the gas spring again, the operator has to press the marked "PRESS" button. The Locking/Safety Tube moves over the pressure tube when the gas spring closes.

An additional feature of the Automatic Locking/Safety Tube is that it protects the piston rod against dirt, scratches, paint and all kinds of damage. The Locking/Safety Tube is available in any desired length for most common Lift groups.

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Example Application of Safety Lock