BSEN1670-2007Buildinghardware–Corrosionresistance–Requirementsandtestmethods
BSEN12569-1999Industrialvalves–Valvesforchemicalandpetrochemicalprocessindustry–Requirementsandtests
BSEN10055-1996Hotrolledsteelequalflangeteeswithradiusedrootandtoes.Dimensionsandtolerancesonshapeanddimensions
ANSIB16.41-1983FunctionalqualificationRequirementsforPowerOperatedActiveValveAssembliesforNuclearPowerPlants