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NEN-EN 1491

Building valves - Expansion valves - Tests and requirements

active, Most Current
Organization: NEN
Publication Date: 1 April 2000
Status: active
Page Count: 21
ICS Code (Water supply systems): 91.140.60
scope:

Specifies, dimensions, materials and performance requirements (including methods of test) for expansion valves, of nominal sizes from DN 15 to DN 40, having working pressures from 0,1 MPa (1 bar) to 1,0 MPa (10 bar). Expansion valves are intended for fitting to the cold water supply of storrage water heaters, having a maximum distribution temperature of 95 °C, for all energy sources.

Document History

March 1, 2021
Building valves - Expansion valves - Tests and requirements
This document specifies dimensions, materials and performance requirements (including methods of test) for expansion valves, of nominal sizes from DN 15 to DN 32, having working pressures1) from 0,1...
NEN-EN 1491
April 1, 2000
Building valves - Expansion valves - Tests and requirements
Specifies, dimensions, materials and performance requirements (including methods of test) for expansion valves, of nominal sizes from DN 15 to DN 40, having working pressures from 0,1 MPa (1 bar) to...
July 1, 1994
Building valves - Expansion valve - Characteristics and tests
Specifies, dimensions, materials and performance requirements (including methods of test) for expansion valves, of nominal sizes from DN 15 to DN 40, having working pressures from 0,1 MPa (1 bar) to...

References

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