BS ISO 23551-5. Safety and control devices for gas burners and gas-burning appliances. Particular requirements - Part 5. Manual gas valves

traffic flow

and control engineering

and corbel slabs are also specified in BS 5911-3

6 Heating tests

which is covered by BS EN 1153:1996

contouring etc

They are generally used in conjunction with a nut (and sometimes a washer) to hold them in place

Manufacturers of tees for pipe couplings

BS EN 60836 provides reliability and durability that can assess the quality of the insulating materials

and subject field experts

Mineral-insulated metal-sheathed thermocouple cable is a bendable cable consisting of one or more pairs of thermocouple conductors encapsulated in a metal protecting sheath

BS EN ISO 22442-3 specifies requirements for the validation of the elimination and/or inactivation of viruses and TSE agents during the manufacture of medical devices (excluding in vitro diagnostic medical devices) utilizing animal tissue or products derived from animal tissue