Tender For corrigendum : procurement of spares for rotary breaker, size 12x22 trf make installed at 1x500 mw chp, sgtps, mppgcl, birsinghpur. - spares for trf make rotary breaker size 12 x22 roller mounted type, feed size 250mm, capacity-800tph, cylinder-14 rpm, feed end spider fitted with tyre & sprocket 2 pitch no. of teeth 128, discharge end spider fitted with tyre, driving sprocket 2 pitch no. of teeth 31, .