BS EN 15723:2010 pdf free.Railway applications — Closing and locking devices for payload protecting devices against environmental influences Requirements for durability, operation, indication, maintenance, recycling.
BS EN 15723 Doors and hatches of freight vehicles shall be designed to be closed and locked. This remains valid while the vehicles are in a moving train (unless this is part of the procedure for discharging the payload). Wagons ftted with special equipment (automatic discharging, opening roof, etc.) shall have instructions concerning operation of this equipment and the safety precautions to be taken, placed in a prominent position and if possible in several languages; these instructions may be accompanied by appropriate pictograms.
The closing and locking devices shall be designed to withstand the loads which are caused by the payload under normal, regular conditions and when the payload has been displaced in a foreseeable manner (see Table 1, Category 1).
The closing and locking devices shall be designed to withstand the loads which could effect to vehicles during operation.
The side doors and the shutters of the ventilation apertures of covered wagons shall be designed to prevent wear and in service stresses causing deformation and resulting in these elements being ripped or falling off during the shunting process or while the train is moving (particularly during passing of two trains).
For all types of covered wagon with sliding side doors, they shall be equipped with suitably dimensioned devices to prevent any unintended disengagement. The devices shall limit the vertical play and shall take effect in any operating condition.
The forces, which are needed to actuate the closing and locking devices, shall be of a magnitude that can be applied by an operator without additional tools. Exceptions are allowable when additional tools are specifically made available or when motor driven systems are used.For this, locking devices shall be used which indicate their status (open/closed) and they shall be visible by an operator outside the train.BS EN 15723 pdf download.