Standard Specification for Polyethylene of Raised Temperature/Aluminum/Polyethylene of Raised Temperature (PERT/AL/PE-RT) Composite Pressure Pipe PAS 15 but this was not recognised

but this was not recognised in subsequent clauses

Keeping a machine in a stopped condition while persons are present in danger zones is one of the most important conditions of the safe use of machinery and hence one of the major aims of the machine designer and machine user

It applies primarily to electrohydraulic flow-control servovalves which represent current industrial practice

The standard also gives guidance on where the reliability stress screening should be carried out

Standard Specification for Polyethylene of Raised Temperature/Aluminum/Polyethylene of Raised Temperature (PERT/AL/PE-RT) Composite Pressure Pipe PAS 15 but this was not recognised