Flush valve for water closets or urinals; (HS: 8481 ); (ICS: 91.060)

National Standard of the P.R.C., Minimum Allowable Values of Water Efficiency and Water Efficiency Grades for Flush Valve for Water Closets (10 page(s), in Chinese)

This document specifies the limit values and grades, technical requirements and test methods of the water efficiency of flush valves for water closets or urinals.

This document is applicable to flush valves for water closets or urinals installed on cold water supply pipelines in building facilities under the condition that the static pressure of the water supply is not greater than 0.6 MPa.