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Hardgrove Grindability Index Tester
HARDGROVE GRINDABILITY INDEX TESTER
SLE Hardgrove Grindability index tester is used for Coal Testing .It consists of a stationary grinding bowl of iron, with a horizontal track in which run 8 steel balls each of 25 mm. in dia driven by an upper grinding ring rotated at 19-21 rpm.
Integral motor of 1/4 h.p. AC.
Automatic revolution counters upto 60 revolutions.
Full load of weights as per specification.
Three Nos. of sieves
Applicable Standards:- ASTM-16 ,ASTM-30 ,ASTM-200,IS-4433-1967