NEN-ISO 23551-4/A1
Safety and control devices for gas burners and gas-burning appliances - Particular requirements - Part 4: Valve-proving systems for automatic shut-off valves - Amendment 1: Application guidance for the valve-proving system
active, Most Current
| Organization: | NEN |
| Publication Date: | 1 November 2010 |
| Status: | active |
| Page Count: | 10 |
| ICS Code (Gas fuel burners): | 27.060.20 |
Document History
NEN-ISO 23551-4/A1
November 1, 2010
Safety and control devices for gas burners and gas-burning appliances - Particular requirements - Part 4: Valve-proving systems for automatic shut-off valves - Amendment 1: Application guidance for the valve-proving system
A description is not available for this item.
September 1, 2005
Safety and control devices for gas burners and gas-burning appliances - Particular requirements - Part 4: Valve-proving systems for automatic shut-off valves
This part of ISO 23551 specifies safety, constructional and performance requirements of valve-proving systems, hereafter referred to as VPS, intended for use with gas burners and gas-burning...