Pumps - Rotodynamic pumps - Circulation pumps having a rated power input not exceeding 200 W for heating installations and domestic hot water installations - Part 1: Non-automatic circulation pumps, requirements, testing, marking
泵.旋转动力泵.加热装置和家用热水装置用额定功率输入不超过200W的循环泵.第1部分:非自动循环泵.要求 试验和标记