POSITIVE DISPLACEMENT FLOWMETER - TOKICO OIL FLOWMETER 20 mm ( 3/ 4" ) Accuracy : ± 0.5% Max Working Pressure : 10 kgf/ cm² Hydraulic Test pressure : 20 kgf/ cm² Max Working Temperature : 100º C Flange Rating : JIS 10 kgf/ cm² FF Type : Direct Reading Dia 20 ( 3/ 4" ) - FGBB631 - 00X - Kerosene, Light Oil ( 1, 2~ 3cP) : 40 ~ 1, 250 l/ hour - Heavy Oil ( 10cP~ ) : 20 ~ 1, 250 l/ hour - B, C Heavy Oil ( 50cP~ 300cP) : 10 ~ 1, 250 l/ hour