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2015 Maxitrol Company. All Rights Reserved. DRAFT 09.18.2013 22 The 210 series is a lockup type regulator. The balanced valve design makes it possible to maintain steady outlet pressure control with widely varying inlet pressures. The regulator has an integrated dampening mechanism in the breather outlet and the sensing tube to improve regulating stability and reduce hunting tendencies. The 210 series provides precise regulation over a wide range of pressures and flow rates. Applications include gas-fired boilers steam generators industrial furnaces and ovens. Pipe Sizes...................................1 to 3 threaded connections with NPT or ISO7-1 threads. 4 125 lb. flange 210J only. Housing Material....................... 210D 210E 210G 210J aluminum. Mounting.................................... 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_MI_EN.ES or GPR_CSA_MI_EN.FR. Certifications.............................. 210D 210E 210G ANSI Z21.18CSA 6.3 Gas Appliance Pressure Regulators. Gas Types.................................... Suitable for natural manufactured mixed gases liquefied petroleum gases and LP gas-air mixtures. Maximum Inlet Pressure............. CSA Certified 210D 210E 210G 10 psi 69 kPa Maxitrol Tested 210J 10 psi 69 kPa Emergency Exposure Limits........ 210D 210E 210G 210J 25 psi 172 kPa Ambient Temperature Ranges..... -40 to 200F -40 to 93C Sensing Taps............................... Convenient tap locations are available for downstream sensing cross connections and differential control. Four locations can be tapped and plugged for measuring pressure. Remote Sensing.......................... 210D 210E 210G models may be ordered with remote sensing. The internal sensing tube is omitted and external sensing taps are provided. Add suffix letter R to model number when ordering. Zero Governor Models............... Please refer to pages 32-37 for 210Z model information. Minimum Regulation.................. 210D 25 CFH 210E 210G 50 CFH 210J 100 CFH. 210 SERIES Balanced Valve Design 21OE Specifications