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2015 Maxitrol Company. All Rights Reserved. DRAFT 09.18.2013 46 Pipe Sizes...................................38 to 2 threaded connections with NPT or ISO7-1 threads. Housing Material.......................325-3L 325-5L 325-7AL 325-9L aluminum. Mounting...................................Suitable for multi-positional mounting. If ball check vent limiting device is installed mount in an upright position only. NOTE All Maxitrol gas pressure regulators should be installed and operated in accordance with Maxitrol Safety Warning Instructions see GPR_CSA_2PSI_MI_EN.FR. Certifications...............................325-3L 325-5L 325-7AL 325-9L ANSI Z21.80CSA 6.22 Line Pressure Regulators. Gas Types...................................Suitable for natural manufactured mixed gases liquefied petroleum gases and LP gas-air mixtures. Maximum Inlet Pressure............2 psi 13.8 kPa Minimum Inlet Pressure.............1 psi 6.9 kPa Emergency Exposure Limits........65 psi 450 kPa inlet side only Maximum Individual Load.........Largest single appliance served by the regulator 325-3L 140000 Btuh 325-5L 425000 Btuh 325-7AL 1250000 Btuh 325-9L 2250000 Btuh Capacity.....................................Total load of multiple appliance combined 325-3L 38 12 250000 Btuh 325-5L 12 500000 Btuh 325-5L 34 1 600000 Btuh 325-7AL 1 14 1 12 1250000 Btuh 325-9L 1 12 2 2250000 Btuh NOTE Capacities are used to determine the maximum multiple appliance load. The largest single appliance served by the regulator should not exceed the maximum individual load specified above. Ambient Temperature Ranges.....-40 to 205F -40 to 96C Minimum Regulation..................Suitable for pilot flow applications. Circle P 0.15 CFH NG. Imblue Technology..................325-3L 325-5L 325-7AL 325-9L models may be ordered with Imblue Technology. Imblue Technology increases corrosion resistance and provides extra protection against the elements for regulators used in outdoor applications. Add suffix letter B to model number when ordering. Maxitrols 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 325-L SERIES Lever Acting Design for 2 psi Piping Systems