EN 13611:2019, Clause 1 applies with the following modification and addition:
Modification:
The 1st paragraph of EN 13611:2019, Clause 1 is replaced by:
This document specifies the safety, design, construction, and performance requirements and testing for gas filters for burners and appliances burning one or more gaseous fuels.
This document is applicable to gas filters with declared maximum inlet pressures up to and including 600 kPa and of nominal connection sizes up to and including DN 250.
Addition:
This document is not applicable to:
- gas filters that are connected directly to mains pipe-work or to a container that maintains a standard distribution pressure.
The 4th paragraph of EN 13611:2019, Clause 1 is removed.