1 Scope
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 pneumatic pressure regulators and safety devices for burners and appliances
burning one or more gaseous fuels, hereafter referred to as “pressure regulators”.
This document is applicable to pressure regulators with declared maximum inlet pressures
above 50 kPa up to and including 500 kPa and of nominal connection sizes up to and
including DN 250.
Addition:
This document is applicable to:
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— pressure regulators incorporating safety devices;
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— pressure regulators and safety devices which use auxiliary energy;
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— stand-alone pressure regulators or pressure regulators equipped with a control device
for maximum or minimum gas pressure.
This document is not applicable to:
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— pressure regulators connected directly to a gas distribution network or to a container
that maintains a standard distribution pressure;
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— pressure regulators intended for gas appliances to be installed in the open air and
exposed to the environment.
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The 4th paragraph of EN 13611:2019, Clause 1 is removed.