2Specification for copper alloy globe.globe stop and check.check and gate valves. BS5154-1991 .
3Building valves-Manually operated copper alloy and stainless steel ball valves for portable water supply in buildings-Test and requirements. BS EN 13828:2003 .
4Industial valve-Copper alloy gate valves. BS EN 12288:2003 .
5Building valves-Copper alloy stopvalves for potable water supply in buildings-Tests and requirements. BS EN1213:2000 .
