Industrial plate screens — Part 1: Thickness of 3 mm and above
Describes three patterns using round (circular) and square perforations in low carbon steel plate of 3 mm thickness and above. The sizes of holes range from 125 to 3.15 mm inclusive. Five ratios of pitch to hole are prescribed which result in nominal open areas ranging from about 64 to 23 %.
Pièges mécaniques, indolores, à détente, pour animaux
S'applique aux pièges mécaniques à dètente qui, une fois
installés ou appliqués de manière appropriée, tuent les animaux
de façon indolore. Ces pièges sont destinés à être utilisés sur
terre ou dans l'eau, surtout par l'industrie de la fourrure.
Applies to mechanically powered, trigger-activated killing traps
that, when properly set or applied, will render a humane death to
intended animals. The traps are for use on land or in water,
primarily by the fur industry.
Electrical apparatus for explosive gas atmospheres. Part 14: Electrical installations in explosive g...
Gives guidance on the design, selection and erection of electrical installations in areas where explosive gas atmospheres could occur.
Applies to all permanent electrical installations within the scope of IEC 364-1. However, may be applied, where appropriate, to electrical installations with voltages higher than the upper limit of IEC 364-1, namely 1 000 V a.c. Wherever possible the…
Methods of evaluating the performance of transmitters for use in industrial-process control systems
Applies to transmitters which have either a standard electric current output signal or a standard pneumatic output signal in accordance with IEC 60381-1 or IEC 60382. The tests may be applied to transmitters which have other output signals, provided that allowance is made for such differences. Transmitters for the measurement of electrochemical properties, such as pH transmitters, are not covered…
