4
Safety
Use for the intended purpose
The rail hooks below are mounted under tank cars
on quick-release mechanisms:
Pneumatic rail hook VZ 10
Mechanical rail hook VZ 20
This equipment is used for keeping GESTRA bottom
valves on tank cars open.
The equipment may only be used within the
admissible pressure and temperature ratings.
Correct use includes compliance with the
instructions given in this installation & operating
manual, in particular obedience to all safety
instructions.
Any other use of the equipment is considered to be
improper.
Basic safety notes
Explosion hazard
Risk of explosion due to sparks if triggered in a
potentially explosive atmosphere. The impact
velocity is over 1 m/s, the impact energy is over
500 J.
Bear this in mind when dividing into zones
for explosion protection.
The proximity switch in type VZ 10 equipment is
explosion-proof.
When dividing into zones for explosion
protection, please also pay attention to the
ATEX classification of the proximity switch.
Risk of severe injuries
There is a potentially fatal risk of crushing if the
tank car rolls away.
Make sure that the tank car is secured so it
cannot roll away.
Risk of injury due to impact when attaching the
equipment under the tank car.
Wear a safety helmet.
Ensure compliance with all locally applicable
safety and accident prevention regulations.
There is a risk of fractures or bruises when the
rail hook is triggered. The impact velocity when
triggered is over 1 m/s. The impact energy is
over 500 J.
Only enter the area under the tank car to
attach or remove the rail hook.
Wear protective clothing or PPE when
working on the rail hook.
Ensure compliance with all locally applicable
safety and accident prevention regulations.
Risk of minor injuries
There is a risk of crushing if you reach into
moving parts of the equipment.
Never reach into moving parts.
Wear sturdy protective gloves.
There is a risk of crushing if the cable breaks.
Do not use the cable if it is damaged.
