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2015 Maxitrol Company. All Rights Reserved. DRAFT 09.18.2013 33 Model Number Pipe Size Pressure Drop - inches w.c. kPa 0.2 0.05 0.4 0.10 0.6 0.15 0.8 0.20 1.0 0.25 1.5 0.37 2.0 0.50 2.5 0.62 3.0 0.75 3.5 0.87 4.0 1.0 R400Z 38 x 38 77 2.16 110 3.08 134 3.75 155 4.34 174 4.87 212 5.94 245 6.86 274 7.67 -- -- -- 12 x 12 86 2.41 121 3.39 148 4.14 172 4.82 192 5.38 235 6.58 271 7.59 303 8.48 -- -- -- R500Z 12 x 12 163 4.56 231 6.47 283 7.92 327 9.16 366 10.3 447 12.5 516 14.6 577 16.2 635 17.8 685 19.2 730 20.4 34 x 34 196 5.49 277 7.76 340 9.52 392 11.0 438 12.3 537 15.0 620 17.4 693 19.4 760 21.3 820 22.7 876 24.5 R600Z 34 x 34 298 8.34 421 11.8 516 14.5 595 16.7 666 18.7 816 22.9 942 26.4 1054 29.5 1150 32.2 1245 34.9 1335 37.4 1 x 1 330 9.24 468 13.1 572 16.0 661 18.2 739 20.7 906 25.4 1046 29.3 1169 32.7 1280 35.8 1380 38.6 1480 41.4 NOTE CSA maximum capacities vary with spring range and pipe size. Please contact Maxitrol directly for CSA maximums. See pages 58-59 for Regulator Sizing Requirements and Examples. Capacities expressed in CFH m3 h 0.64 sp gr gas Capacities and Pressure Drop APPLIANCE REGULATORS C US UA.TR.012-13