Pumps. Rotodynamic pumps. Circulation pumps having an electrical effect not exceeding 200 W for heating installations and domestic hot water installations. Requirements, testing, marking— 16 стр.
Specification for safety of household and similar electrical appliances. Particular requirements, Pumps for liquids having a temperature not exceeding 35$0DC— 18 стр.
Specification for safety of household and similar electrical appliances. Particular requirements, Stationary circulation pumps for heating and service water installations— 14 стр.