Specification for the design, installation and commissioning of gas fired central heating systems in domestic premises Ingestion-build-48068 Tests to determine flow characteristics

Tests to determine flow characteristics

when assessed by the specified tests

and in one of the surface conditions given

BS EN 349:1993 specifies minimum gaps relative to parts of the human body in machinery and is applicable when adequate safety can be achieved by this method

BS 499-2C:1999 provides in chart form

Specification for the design, installation and commissioning of gas fired central heating systems in domestic premises Ingestion-build-48068 Tests to determine flow characteristicsPAS 33: 1999 Specification for the design, installation and commissioning of gas fired central heating systems in domestic premises