This standard specifies the terms and definitions, technical requirements and test methods for brushless diaphragm pumps. Brushless diaphragm pumps suitable for use in reverse osmosis and nanofiltration water purifiers for household and similar purposes. The main technical contents of this standard include motor failure protection, high and low temperature requirements, water pressure resistance, cycle start and stop performance, noise, hygiene, environmental protection, salt spray test, electromagnetic compatibility, waterproofing and other requirements.