NATIONAL TOLL FREE DIRECTORY1-866-574-5100 | ON THE WEBwww.nee.ca REGULATORS GAS PRESSURE REGULATORS Maxitrol Rubber Seat Poppet Design Regulators These rubber seat poppet type regulators are designed primarily for main burner and pilot load applications where precise control of tiny flows is an essential operating requirement. They may be used with natural, manufactured, mixed, LP, or LP gas-air mixture. NEE # Connections Capacities² to Inlet Pressures to Outlet Pressures to RV12 1/8” x 1/8”¹, 3/16” Lox x 3/16” Lox 25 ft³ / h (0.7m³/h) 1/2 PSI (35 mbars) 1.0” to 12” WC (2.5 to 30 mbars) RV20 1/4” x 1/4”, 3/8” x 3/8”¹ 65 ft³ / h (1.8m³/h) RV47 and CV47 3/8” x 3/8”, 1/2” x 1/2”¹ 125 ft³ / h (3.5m³/h) RV48 1/2” x 1/2”, 3/4” x 3/4” 250 ft³ / h (7m³/h) ¹ Available as Loxit connection ² Minimum main burner regulation capacity is 150 BTU/hr (.0042m³/h) Maxitrol Straight-Thru-Flow (STF) Design Regulators NEE # Connections¹ Capacities to Inlet Pressures to Outlet Pressures to RV52 1/2” x 1/2”, 3/4” x 3/4” 900 ft³/h (25m³/h) 1/2 PSI (35 mbars) 1.0” to 12” WC (2.5 to 30 mbars) RV53 3/4” x 3/4”, 1” x 1” 1300 ft³/h (36m³/h) RV61 1” x 1”, 1 1/4” x 1 1/4”” 2500 ft³/h (70m³/h) 1 PSI (70 mbars) 1.0” to 22” WC (2.5 to 55 mbars) RV81 1 1/4” x 1 1/4”, 1 1/2” x 1 1/2” 4500 ft³/h (127m³/h) RV91 2” x 2”, 2 1/2” x 2 1/2” 7500 ft³/h (212m³/h) RV111 2 1/2” x 2 1/2”, 3” x 3” 17,000 ft³/h (481m³/h) *All models tapped with NPT vent bosses. RV12 RV20 RV47 / CV47 RV48 RV52 RV53 RV61 RV81 / RV91 RV111 Maxitrol’s original Straight-Thru-Flow Design meets your needs for high capacities at low inlet pressures. The basic difference between the initial model and the current S-T-F design is that it delivers higher outlet pressure than the spring loaded models. The main diaphragm is loaded with gas pressure rather than with a spring. The gas pressure of the main diaphragm is precisely controlled by a small pilot regulator within the upper housing.

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