The standard specifies the minimum allowable values of water efficiency, evaluating values of water conservation, water efficiency grade and test method for water closets.
This standard is applicable to the evaluation of the water efficiency for all kinds of water closets installed on the cold water supply pipelines in building facilities, and the pressure of water supply is not greater than 0.6 MPa.
定价: 204元 / 折扣价: 174 元 加购物车