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2015 Maxitrol Company. All Rights Reserved. DRAFT 09.18.2013 7 Spring Selection Chart inches w.c. kPa APPLIANCE REGULATORS Model Available Springs RV12 1.5 to 3 0.37 to 0.75 Brown 2.8 to 5.2 0.69 to 1.3 Plated --- 4 to 8 1 to 2 Orange --- --- --- --- 6 to 10 1.5 to 2.5 Red 8 to 12 2 to 3 Blue --- RV20 1 to 3.5 0.25 to 0.9 Brown 2.8 to 5.2 0.69 to 1.3 Plated --- 4 to 8 1 to 2 Orange --- --- --- --- 6 to 10 1.5 to 2.5 Red 8 to 12 2 to 3 Blue 9 to 12 2.25 to 3 Plated RV47 CV47 1 to 3.5 0.25 to 0.9 Brown 2.8 to 5.2 0.69 to 1.3 Plated 3.8 to 4.3 0.95 to 1.08 Black 4 to 8 1 to 2 Orange 4 to 12 1 to 3 Violet 4.7 to 5.3 1.18 to 1.33 Green --- 5.6 to 6.4 1.4 to 1.6 Red 6 to 10 1.5 to 2.5 Red 8 to 12 2 to 3 Blue 9.7 to 11.3 2.42 to 2.83 Plated RV48 1 to 3.5 0.25 to 0.9 Brown 3.0 to 6.0 0.75 to 1.5 Plated --- 4 to 8 1 to 2 Orange --- --- 5 to 12 1.25 to 3 Blue --- 6 to 10 1.5 to 2.5 Red --- --- Uncertified Spring Certified at inlet pressure of 2 psi Model Available Springs RV20CL 4 10 1 2.5 --- --- --- --- --- RV47CL 4 10 1 2.5 4 11 1 2.75 5 10 1.25 2.5 5 11 1.25 2.75 6 10 1.5 2.5 6 11 1.5 2.75 CV47CL 4 10 1 2.5 4 11 1 2.75 5 10 1.25 2.5 5 11 1.25 2.75 6 10 1.5 2.5 6 11 1.5 2.75 RV48C 4 10 1 2.5 4 11 1 2.75 5 10 1.25 2.5 5 11 1.25 2.75 6 10 1.5 2.5 6 11 1.5 2.75 NOTE See pages 56-57 for complete Spring Selection Chart.