Equipment used in the controlled removal of asbestos-containing materials - Negative pressure units. SpecificationBS 8520 2: 2009 Equipment used in the controlled removal of asbestos containing materials. Negative pressure units. Specification BS 8520 2 provides negative pressure unit (NPU) manufacturers with a minimum specification for the manufacture of NPUs. Although the manufacture of NPUs has previously met the expectations of the asbestos removal industry, no specifications or specific guidance existed. It was therefore felt that there was a need to provide

General requirements for finished joint seals are also given

The requirements

BS ISO 14046 enables you to:

ISO 4892-1

Measurements of specific aspects of cellular metabolism

BS EN 13035-5 doesn’t apply to the significant hazards of conveyors and other machines for the manufacture

BS 3790:2006 specifies the dimensions and certain other properties of endless wedge belts

This European Standard applies to alarm systems for all types of passenger and goods passenger lifts

the method may be used for material of 150 kg/m3 density or greater

compliance with these requirements can ensure your products meet the performance needs of the end-application

Who is BS EN 1337-6 - Structural rocker bearings for

It provides characteristic strength and stiffness properties and density values for each class and the rules for the allocation of timber populations (i