Functional safety - Safety instrumented systems for the process industry sector - Part 1: Framework, definitions, system, hardware and application programming requirements— 286 стр.
Safety and control devices for gas burners and gasburning appliances -- Particular requirements -- Part 4: Valve-proving systems for automatic shut-off valves— 22 стр.
Automatic electrical controls for household and similar use - Part 2-6: Particular requirements for automatic electrical pressure sensing controls including mechanical requirements— 49 стр.