CATALOG 2nd Edition
DRAFT 09.18.2013 Service and installation must be performed by a trained/experienced service technician. All products used with combustible gas must be installed and used strictly in accordance with the instructions of the Original Equipment Manufacturer (OEM) and with all applicable government codes and regulations, e.g. plumbing, mechanical, and electrical codes and practices. Maxitrol products should be installed and operated in accordance with Maxitrol Safety Warning Instructions.
DRAFT 09.18.2013 220 SERIES Pilot Loaded Design The 220 series uses a servo-operated design rather than a spring-loaded design and can deliver higher outlet pressures than conventional spring-loaded models. The main diaphragm of the model 220 is loaded with gas pressure instead of spring pressure. A small pilot regulator, located in the upper housing, accurately controls this gas pressure.
DRAFT 09.18.2013 APPLIANCE REGULATORS Pressure Drop: inches w.c. (kPa) @ 0.64 sp gr gas 220D Flow Rate CFH (m3/h) 220E 220G 220J 1” 1 1/4” 1 1/2” 1 1/2” 2” 2 1/2” 3” 4” 1000 (28.3) 1.90 (0.47) 1.70 (0.42) 1.70 (0.42) --- --- --- --- --- 2000 (56.6) 4.93 (1.23) 3.10 (0.77) 2.90 (0.72) 1.90 (0.47) 1.90 (0.47) --- --- --- 3000 (85.0) 11.10 (2.76) 7.42 (1.85) 5.40 (1.34) 2.90 (0.72) 2.40 (0.60) --- --- --- 4000 (113) 19.70 (4.91) 13.20 (3.29) 11.10 (2.76) 4.
DRAFT 09.18.2013 220 SERIES Pilot Loaded Design Dimensions Dimensions Model Pipe Size Vent Connection Swing Radius A B C D 220D 1”, 1 1/4”, 1 1/2” 12A06 vent limiting device installed. 8.1” (206 mm) 9.5” (241 mm) 7” (178 mm) 5.5” (140 mm) 8.3” (210 mm) 220E 1 1/2”, 2” 12A06 vent limiting device installed. 8.6” (217 mm) 11.2” (285 mm) 9.1” (232 mm) 7.6” (194 mm) 10” (256 mm) 220G 2 1/2”, 3” 12A06 vent limiting device installed. 10.4” (264 mm) 14.2” (362 mm) 13.5” (343 mm) 10.
DRAFT 09.18.2013 APPLIANCE REGULATORS Pilot Loaded Design 1 7 2 8 1 Seal Cap 2 Adjusting Screw 3 Top Housing 4 Regulating Diaphragm 5 Stem & Valve 6 Bottom Housing 11 7 Seal Cap Gasket 12 8 Stack 9 Spring 10 Vent Connection 11 Diaphragm Plates 13 12 Balancing Diaphragm 14 13 Counter Spring 14 Bottom Plate 9 10 3 4 5 6 NOTE: Diagrams are graphical representations only and may differ from actual product. © 2015 Maxitrol Company. All Rights Reserved.
Maxitrol Company 23555 Telegraph Rd., PO Box 2230 Southfield, MI 48037-2230 GPR_MS_EN_10.2015 www.maxitrol.