Whole sealed stainless steel riffle is manufactured according to relevant regulation of GB474《preparation method of coal sample》, the gradient of bevel such as cell isn’t less than 60. Stainless steel materials, reasonable structure, easy to use. It has the function of multiple spot reduction. Reduction precision conforms to standard requirement and improve sampling efficiency. It mainly is applied to reduction preparation of coal or other particle material sample.
Main technical parameter
Specification |
Cell number |
Cell width(mm) |
Division particle size (mm) |
Large |
16 |
39 |
≤13 |
Middle |
18 |
18 |
≤6 |
Small |
24 |
9 |
≤3 |