Building valves - Hydraulic safety groups - Tests and requirements
This European Standard specifies, dimensions, materials and performance requirements (including methods of test) for hydraulic safety groups, of nominal sizes from DN 15 to DN 40, having working pressures from 0,1 MPa (1 bar) to 0,7 MPa ( 7 bar). Hydraulic safety groups are intended for fitting to the cold water supply of storage water heaters, having a maximum distribution temperature of 95°C,, for all energy sources.
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