Specification for metric dimensions of toroidal sealing rings ('O'-rings) and their housings1 Scope This British Standard specifies the dimensions of elastomeric O rings which are toroidal in shape and which are used for sealing components against ingress or egress of fluids under dynamic and static conditions. The standard also specifies the shape and dimensions of five types of associated housing grooves for the rings when used at pressures not normally exceeding 100 bar 1). NOTE At pressures exceeding 100 bar, or when the diametral

This European Standard is not applicable for emergency lighting

zinc fluoroborate

The principles and techniques used for this kind of collecting are indeed very different from those of Web archiving

This part of ISO 10540 specifies a colorimetric method for the determination of the phosphorus content of animal and vegetable oils and fats

The standard is not applicable to vacuum-operated steam surface condensers and feed-water heaters

Size designation

the characteristics of the temper are significantly different from those of all other tempers which have the same sequence of basic treatments and for which designations already have been assigned for the same alloy and product

Design management

ISO 12151-3 and ISO 12151-6

BS EN 62300 on digital interface with plastic optical fibre is useful for:

and therefore this subject is not dealt with in this standard

12 belongs to the BS 3762 multi-series and discusses the determination of ammonia content