ÖNORM EN 741

1.1 This standard specifies the special safety requirements for those types of fixed pneumatic handling systems and components as defined in clause 3, which are designed for conveying bulk materials on a continuous or an intermittent basis (batch conveying system) from the loading point(s) to the unloading point(s). 1.2 This European standard deals with the technical requirements to minimise the hazards listed in clause 4 which can arise during the operation and the maintenance of the pneumatic conveying system. when carried out in accordance with the specifications given by the manufacturer or his authorised representative. Annex A gives a list of hazards according to !EN ISO 12100-1". and the safety requirements and/or measures are specified in the same order as they are given in Annex A. 1.3 This standard applies to design, on site assembly, and commissioning stages. 1.4 This standard applies also to the built-in actuators and parts of the systems, which control the components.