JJG (轻工) 74-2000 《Laboratory VALLEY Freeness Tester》 Related products

JJG (Light Industry) 74-2000 "Laboratory VALLEY beater (trial) verification procedure" specifies the verification requirements of the laboratory Valley beater. It is suitable for verification before use, during use and after maintenance of new equipment. The procedure refers to the technical requirements of ISO 5264-1:1994 to ensure that the beater performance meets the standard. The main technical requirements include lever arm load, flying knife Rotation speed, knife mark clarity, etc. The procedure specifies the equipment Appearance requirements, structural and working normal inspection, and its Measurement performance method of verification. Verification items include Appearance inspection, flying knife Rotation speed, knife marks, tool radius, etc. A verification certificate will be issued for qualified equipment, and a notice will be issued for unqualified equipment. The verification period is usually one year.