Flowtech Make By- pass Rotameter as designed for measurement of flow rate of Liquid and gases in 2 NB or higher Size pipe sine. The complete assembly consist of carrier rings [orifice Flanges], orifice Plate, by-pass piping with Isolation valves & a rotameter as indicator. The orifice plate is design on IS of BS specification. Features :- Easy to maintain On-line installation Very low cost Accuracy : 2 % of full flow Range ability : 7:1 of 5 : 1 Accessories : High & low flow Alarm solution MOC Material of Construction :- Orifice Plate : S S 316 Or PVC Or Teflon Carrier Ring : S S 316 Or Mild Steel Or P P Or PVC Pipe line : S S 316 Or G I (M.S) Or PVC or MSRL Wetted parts of Rota meter : S S 316 Or Mild Steel Or Rubber or eflon Lined Main Line NB MB Pressure Drops Meter of H2O For Liquid NM3/ Hr For Air NM3/ Hr 1.2 2.5 3.8 5.0 10.0 1.2 2.5 3.8 5.0 10.0 50 407 577 713 815 1206 13 19 22 27 38 65 594 849 1019 1155 1699 19 27 34 38 54 80 917 1274 1580 1835 2684 29 40 52 59 83 100 1869 2616 3228 3738 5437 59 86 104 120 170 125 2888 4078 5097 5777 8496 96 136 163 188 272 150 4248 5947 7306 8496 12234 136 192 227 272 385 200 7306 10365 12744 14613 21409 227 340 408 476 658 250 11554 16482 20390 23109 33984 363 522 635 749 1044 300 16482 23109 28036 32284 47577 522 749 930 1066 1498 Flow Ranges of water at 200 C Size Maxi Flow Rate In 50 NB 20 M3/Hr 80 NB 36 M3/Hr 100 N