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2015 Maxitrol Company. All Rights Reserved. DRAFT 09.18.2013 50 Pipe Sizes..................................... 38 thru 2 threaded connections with NPT or ISO7-1 threads. Housing Material......................... All models aluminum. Mounting All models with the exception of 325-7AL210D and 325-9L210E are suitable for multi-positional mounting. 325-7AL210D and 325-9L210E are to be mounted in a horizontal upright position only. If ball check vent limiting device is installed mount in an upright position only. ...................................................... NOTE Line pressure regulators with separate overpressure protection devices are factory preassembled and supplied to the field as a unit. All Maxitrol gas pressure regulators should be installed and operated in accordance with Maxitrol Safety Warning Instructions see LPROPD_MI_EN.FR. Certifications................................. All models 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.............. 5 psi 34.5 kPa With 12A09 12A39 or 12A49 Vent Limiter Installed Natural 5 psi 34.5 kPa LP 2 psi 13.8 kPa Minimum Inlet Pressure............... 1 psi 7 kPa Emergency Exposure Limits.......... 65 psi 450 kPa inlet side only Maximum Individual Load Capacity....................................... 325-3L47 38 12 wOPD 47 attached.................................. 125000 Btuh 325-3L48 12 wOPD 48 attached........................................... 200000 Btuh 325-5L48 12 wOPD 48 attached............................................235000 Btuh 325-5L48 34 wOPD 48 attached............................................320000 Btuh 325-5L600 34 wOPD 600 attached........................................425000 Btuh 325-5L600 1 wOPD 600 attached...........................................465000 Btuh 325-7AL210D 1 14 1 12 wOPD 210D attached..............1250000 Btuh 325-9L210E 1 12 2 wOPD210E attached..........................2250000 Btuh Ambient Temperature Ranges....... -40 to 205F -40 to 96C Minimum Regulation.................... Suitable for pilot flow applications. Circle P 0.15 CFH NG. Maxitrols 325-L Series line pressure regulators with OPDs are for use on piping systems up to 5 psi. The regulator reduces pounds pressure to a level within the appliance or equipments operating supply range. The line regulator is located upstream of equipment already fitted with an appliance regulator. 325-3L47 Specifications 325-L SERIES Lever Acting Design with OPDs for 5 psi Piping Systems