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2015 Maxitrol Company. All Rights Reserved. DRAFT 09.18.2013 11 Model CSA Certified Springs Other Springs Available RV52 3 to 6 0.75 to 1.5 Plated 4 to 8 1 to 2 Orange 5 to 12 1.25 to 3 Blue 1 to 3.5 0.25 to 0.9 Brown 2 to 5 0.5 to 1.25 Plated 3 to 8 0.75 to 2 Pink 4 to 12 1 to 3 Violet --- --- --- --- RV53 3 to 6 0.75 to 1.5 Plated 4 to 8 1 to 2 Orange 5 to 12 1.25 to 3 Blue 1 to 3.5 0.25 to 0.9 Brown 2 to 5 0.5 to 1.25 Plated 3 to 8 0.75 to 2 Pink 4 to 12 1 to 3 Violet --- --- --- --- RV61 3 to 6 0.75 to 1.5 Plated 4 to 8 1 to 2 Orange 5 to 12 1.25 to 3 Blue 1 to 3.5 0.25 to 0.9 Brown 2 to 5 0.5 to 1.25 Plated 3 to 8 0.75 to 2 Pink --- --- 10 to 22 2.5 to 5.5 Red --- --- RV81 3 to 6 0.75 to 1.5 Plated 4 to 8 1 to 2 Orange 5 to 12 1.25 to 3 Blue 1 to 3.5 0.25 to 0.9 Brown 2 to 5 0.5 to 1.25 Plated 3 to 8 0.75 to 2 Pink 4 to 12 1 to 3 Violet 5 to 15 1.25 to 3.7 Green 10 to 22 2.5 to 5.5 Red --- --- RV91 3 to 6 0.75 to 1.5 Plated 4 to 8 1 to 2 Orange 5 to 12 1.25 to 3 Blue 1 to 3.5 0.25 to 0.9 Brown 2 to 5 0.5 to 1.25 Plated 3 to 8 0.75 to 2 Pink 4 to 12 1 to 3 Violet 5 to 15 1.25 to 3.7 Green 10 to 22 2.5 to 5.5 Red --- --- RV111 3 to 6 0.75 to 1.5 Plated 4 to 8 1 to 2 Orange 5 to 12 1.25 to 3 Blue 1 to 3.5 0.25 to 0.9 Brown 2 to 5 0.5 to 1.25 Plated 3 to 8 0.75 to 2 Pink 4 to 12 1 to 3 Violet 5 to 15 1.25 to 3.7 Green 10 to 22 2.5 to 5.5 Red --- --- RV131 3 to 6 0.75 to 1.5 Plated --- 5 to 12 1.25 to 3 Blue --- 2 to 5 0.5 to 1.25 Plated 3 to 8 0.75 to 2 Pink 4 to 12 1 to 3 Violet --- 10 to 22 2.5 to 5.5 Red 15 to 30 3.7 to 7.5 Yellow 20 to 42 5 to 10.5 Black NOTE The area within the heavy line indicates CSA certified springs. See pages 56-57 for complete Spring Selection Chart. The 2 to 5 inches w.c. 0.5 to 1.25 kPa spring is also CSA certified for the RV61 Capacities expressed in CFH m3 h 0.64 sp gr gas Capacities and Pressure Drop Spring Selection Chart inches w.c. kPa APPLIANCE REGULATORS Model Pipe Size CSA MAX Pressure Drop - inches w.c. kPa 0.1 0.02 0.2 0.04 0.3 0.07 0.4 0.10 0.5 0.12 0.6 0.15 0.7 0.17 0.8 0.20 0.9 0.22 1.0 0.25 2.0 0.5 3.0 0.75 4.0 1.0 RV52 12 x 12 34 x 34 450 12.7 151 4.2 214 6.1 262 7.4 302 8.5 338 9.5 370 10.5 400 11.3 427 12.1 453 12.8 478 13.5 676 19.1 828 23.4 956 27.1 RV53 34 x 34 1 x 1 690 19.5 217 6.1 306 8.6 375 10.6 433 12.2 484 13.7 530 15 573 16.2 612 17.3 650 18.4 684 19.3 968 27.4 1185 33.5 1369 38.7 RV61 1 x 1 1 14 x 1 14 900 24.5 379 10.7 536 15.1 675 19.1 759 21.5 848 24.0 929 26.3 1004 28.4 1073 30.4 1138 32.2 1200 34.0 1742 49.3 2134 60.4 2464 69.8 RV81 1 14 x 1 14 1 12 x 1 12 2500 70.8 780 22.1 1102 31.2 1350 38.2 1559 44.1 1743 49.5 1909 54.0 2062 58.4 2204 62.4 2339 66.2 2465 69.8 3485 98.7 4269 120 4929 139 RV91 2 x 2 2 12 x 2 12 3275 92.7 1212 34.3 1714 48.5 2100 59.4 2424 68.6 2711 76.7 2969 84.1 3208 90.8 3429 97.1 3637 103 3834 108 5422 153 6640 188 7668 217 RV111 2 12 x 2 12 3 x 3 7500 212 2742 78.0 3878 110 4750 134 5485 155 6132 175 6718 190 7256 205 7757 219 8227 233 8572 243 12134 343 14862 420 17161 486 RV131 4 x 4 --- 4734 134 6695 190 8200 232 9468 268 10586 300 11596 328 12525 354 13390 380 14202 402 14971 424 21172 600 25930 734 29942 848 NOTE See pages 58-59 for Regulator Sizing Requirements and Examples. C US UA.TR.012-13