This standard specifies the classification and labeling, requirements, test methods, inspection rules, marking, packaging, transportation and storage of non-negative pressure water supply equipment in pressurized pump stations in urban water supply pipeline networks. This standard applies to non-negative pressure water supply equipment directly pressurized by urban water supply pipe networks.
CJ/T 415-2013 Referenced Document
GB 4208 Degrees of protection provided by enclosure(IP code)