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 325-L SERIES Lever Acting Design for 2 psi Piping Systems M axitrol’s 325-L Series line pressure regulators are for 2 psi piping systems. 325 Series regulators are for use on residential, commercial, and industrial applications. The 325 Series features a high leverage linkage assembly to deliver positive dead-end lockup. The regulators are capable of precise regulating control from full flow down to pilot flow. 325-3L Specifications Pipe Sizes...................................
DRAFT 09.18.2013 LINE REGULATORS ® C US Capacities Capacities expressed in CFH (m3/h) @ 0.64 sp gr gas Model Pipe Size 325-3L 3/8” x 3/8” 1/2” x 1/2” 325-5L 1/2” x 1/2” 325-5L 3/4” x 3/4” 1” x 1” 325-7AL 1 1/4” x 1 1/4” 1 1/2” x 1 1/2” 325-9L 1 1/2” x 1 1/2” 2” x 2” Outlet Pressure Set Point Operating Inlet Pressure 1/2 psi (3.4 kPa) 3/4 psi (5.2 kPa) 1 psi (6.9 kPa) 1 1/2 psi (10.3 kPa) 2 psi (13.8 kPa) 7.0” w.c. (1.7 kPa) 145 (4.1) 200 (5.7) 250 (7.1) 250 (7.1) 250 (7.1) 10.
DRAFT 09.18.2013 325-L SERIES Lever Acting Design for 2 psi Piping Systems Dimensions Model Pipe Size Vent Connection Swing Radius 325-3L 3/8”, 1/2” 1/8” NPT 325-5L 1/2”, 3/4”, 1” 325-7AL 325-9L Dimensions A B C 3” (76 mm) 3.5” (89 mm) 4.2” (108 mm) 3.9” (98 mm) 3/8” NPT 4.9” (124 mm) 5.3” (133 mm) 5.9” (149 mm) 5.4” (138 mm) 1 1/4”, 1 1/2” 1/2” NPT 6.1” (156 mm) 7.3” (184 mm) 8” (203 mm) 7” (178 mm) 1 1/2”, 2” 1/2” NPT 7.8” (198 mm) 9.4” (239 mm) 10.8” (274 mm) 9.
DRAFT 09.18.2013 LINE REGULATORS A A 325-7AL 325-9L Lever Acting Design 1 2 1 Seal Cap 2 Stack 3 Top Housing 7 4 Rubber Valve 8 5 Valve Seat 6 Seal Cap Gasket 7 Adjusting Screw 8 Spring 9 Vent Connection 10 Diaphragm 11 Diaphragm Plates 12 Bottom Housing 6 9 3 4 10 11 5 12 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.
