7　Classifying and Sorting Equipment

7.1　General Requirement

7.1.1　This chapter is applicable to the installation of spiral classifier，hydrocyclone，fine sieving，magnetic separator，flotator，gravity concentrator and other mechanical equipment.

7.1.2　The assembly of parts referred to in this chapter shall meet relevant requirements of equipment technical documents and current national standard GB 50231 General Code for Construction and Acceptance of Mechanical Equipment Installation Engineering.