Safety and control devices for gas burners and gas burning appliances. Valve proving systems for automatic shut-off valves
Safety and control devices for gas burners and gas burning appliances. Valve proving systems for automatic shut-off valves
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What is BS EN 1643 - Safety and control devices for gas burners about?
BS EN 1643 specifies safety, constructional, and performance requirements of valve-proving systems hereafter referred to as VPS, intended for use with gas burners and gas-burning appliances. BS EN 1643 describes the test procedures for checking compliance with these requirements and provides information necessary for the purchaser and user. BS EN 1643 applies to all types of VPS which are used for the automatic detection of leakage in a gas burner section having at least two valves designed in accordance with EN 161 and which give a signal if the leakage of one of the valves exceeds the detection limit. BS EN 1643 applies to VPSs with maximum working pressure up to and including 500 kPa for use in systems using fuel gases of the 1st, 2 nd
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