ČSN EN 16678 ED.2   (061825) Bezpečnostní a řídicí přístroje pro hořáky na plynná paliva a spotřebiče plynných paliv - Samočinné uzavírací ventily pro provozní tlak nad 500 kPa a do a včetně 6 300 kPa

Anotace textu normy ČSN EN 16678 ED.2   (061825)

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 automatic shut-off valves for burners and appliances burning one or more gaseous fuels, hereafter referred to as ´valves´.

This document is applicable to valves with declared maximum inlet pressures of more than 500 kPa and up to and including 6 300 kPa and of nominal connection sizes up to and including DN 250.

Addition:

This document is applicable to:

- electrically actuated valves,

- valves actuated by fluids including the pilot valves for these fluids if actuated electrically and including release valves, but not to any external electrical devices for switching the actuating energy,

- valves where the flow rate is controlled by external electrical signals proportional to the applied signal,

- valves fitted with closed position indicator switches.

This document is not applicable to valves specifically designed for use in transmission and distribution networks.

The 4th paragraph of EN 13611:2019, Clause 1 is removed.