BS EN 619-2002 pdf download

08-14-2021 comment

BS EN 619-2002 pdf download.Continuous handling equipment and systems — Safety and EMC requirements for equipment for mechanical handling of unit loads.
Stop control devices shall not require sustained manual actuating force. After actuation of a stop control device, the appropriate conveyor, or if required the conveyor system, shall come to a stop and then remain in a stationary condition.
The stop function shall be designed to avoid creating hazardous conditions (e.g. dangerous discharge of conveyed material). If the stopping of particular conveyors could cause hazards at other related parts of the installation, stopping shall be suitably controlled (e.g. by time delay or sequencing).
5.7.7.5 Emergency stopping
The emergency-stop function shall be in accordance with EN 418 and shall be either a category 0 or 1 stop. The category shall be chosen to bring the equipment to a stop condition within the shortest time compatible with the equipment.
Emergency stop devices shall be in accordance with EN 418 and shall be either:
one or more emergency switches, which shall be installed in such a way that at least one may be reached within 10 m from any directly accessible (without using additional means) point of the equipment: andlor
one or more pull-cord operated switches arranged along the side of the installation ; or
the conveyor power supply disconnecting device if the distance from any accessible point of the equipment to the disconnecting device is 10 m or less.
The minimum height of an emergency stop device from floor level shall be 0,6 m and the maximum height shall be 1,7 m.
Emergency stop devices shall be positioned at all control stations : working positions and directly accessible (without using additional means) parts of the machinery, including manual loading/unloading points, walkways and transfer point (see 3.7.8 of EN 292-2:1991), Where more than one emergency stop device is provided, means shall be incorporated to show which device has been actuated. The emergency stop function shall be designed to avoid creating hazardous conditions (e.g. dangerous discharge of conveyed material)
NOTE The provision of an emergency stop device is not alternative to the installation of suitable guarding (see
EN 418:1992.4.1.3).
5.7.7,6 Pull-cord operated emergency-stop switches
The arrangement of pull-cord operated emergency stop switches shall be such that their associated switching device(s) operate(s) if either the operating cord is pulled in any direction or the cord breaks. Pull-cord switches shall also be designed so that the failure of any one single spring will cause its associated switching device(s) to operate (i.e. not cause a failure to danger).
The system shall be actuated by a cord movement of less than 300 mm and by the application of a force less than 125 N. This force is horizontal and perpendicular to the cord. It is applied mid-way between two support rings. The cord movement is the distance covered between the rest position and the actuation position of the cord point located mid-way between two support rings.
As the movement of the operating cord and the force to operate the system could be affected by the design of the cord supports and the distance between them, it shall be ensured that the cord is always free to move through the supports, particularly at changes of direction, without becoming disengaged from them.
Only cords which are free form kinks” and of a type unlikely to “kink in service shall be selected for use. The maximum length and other details shall be in accordance with the switch supplier’s recommendations (e.g. protection of support rings and pulleys, prevention of freezing, changes in length due to temperature changes. etc.).
5.7.7.7 Operator controlled transfer cars
Controls for operator controlled power driven transfer cars shah be hold to run devices.
5.7.8 Hydraulic and pneumatic systems and equipment
Hydraulic and pneumatic systems and equipment shall be provided in accordance with all applicable clauses of EN 982 and EN 983, together with the particular requirements below.
NOTE Hydraulic equipment includes materials, fittings. cornponents,devices, appliances, fixtures, apparatus and the like, used as part of, or in connection with, the hydraulic installation of the continuous handling equipment (e.g. hydraulic fluid reservoirs, hydraulic fluid, pumps, hydraulic motors, cytinders, valves, accumulators and all hydraulic piping on and between the continuous handling equipment and the hydraulic fluid reservor).
Pneumatic equipment indudes materials, fittings, components, devices, appliances, fixtures, apparatus and the like, used as part of. or in connection with, the pneumatic installation of the continuous handling equipment (e.g.pneumatic motors, cylinders, actuators, valves, lubricating fluid, the means of disconnection from the air supply and all piping on and from the continuous handling equipment to the means of disconnection from the main air supply, but not including air receivers and compressors).
5.7.8.1 Hydraulic and pneumatic systems
Systems shall be provided with means to regulate the working pressure, which shall be tamper-resistant if accessible to any person, e.g. shall only be adjustable using tools, or lockable.
NOTE See EN 982:1996, 5.3.5.1 and EN 983:1996, 53.5.1.
Systems shall be provided with means to provide protection against over-pressure, which shall be tamper-resistant if accessible to any person, e.g. shall only be adjustable using tools, or lockable.
NOTE See EN 982:1996 clause 5,3.5.1 and EN 983:1996 clause 5.3.5.1.BS EN 619-2002 pdf download.

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