EVS-EN 1643:2014

Safety and control devices for gas burners and gas burning appliances - Valve proving systems for automatic shut-off valves

General information
Valid from 01.04.2014
Base Documents
EN 1643:2014
Directives or regulations
Standard history
prEN 1643
This European Standard 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. It also describes the test procedures for checking compliance with these requirements and provides information necessary for the purchaser and user. This European Standard 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. This European Standard applies to VPSs with a maximum working pressure up to and including 500 kPa for use in systems using fuel gases of the 1st, 2nd or 3rd families. This European Standard does not apply to VPSs for use in explosive atmospheres. This European Standard is applicable to AC and DC supplied VPS (for VPS supplied by stand-alone battery system, battery systems for mobile applications or systems which are intended to be connected to DC supply networks VPS see Annex I). Provisions for production control are not part of this European Standard.
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