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1 Natural Gas F - 24 Type 299H Pressure Reducing RegulatorProductsProductsFFFigure Schematic ShowingInternal RegistrationFigure 1. Type 299H PressureReducing RegulatorIntroductionThe 299H Series are pilot-operated pressurereducing regulators with the pilot integrallymounted to the actuator casing. They are usedin natural gas distribution systems, gas supplyto industrial boilers, furnaces, ovens, mixers,and plant air service. The Type 299HR has atoken internal relief valve to relieve minoroverpressure caused by thermal regulator has a pressure control accuracyof 1% of absolute control pressure, makingit an excellent choice for fixed factor billing orpressure factor Sizes and End Connection StylesSee Table 1 Pressure RegistrationInternal, External, or Dual RegistrationSee Figures 2 and 4 Options Three fixed restriction sizes.

2 044-inch (1,12 mm) red (standard gain).071-inch (1,80 mm) green (low gain).082-inch (2,08 mm) blue (lower gain) Pilot Supply FilterMaximum Inlet Pressure175 psig (12,1 bar)See Table 3 Maximum Outlet (Casing) Pressure66 psig (4,6 bar)Outlet Pressure Ranges3-1/2-inches to 60 psig(9 mbar to 4,14 bar) in nine rangesSee Table 5 Minimum Differential Pressurefor Full psig (0,10 bar)Flow CoefficientsSee Table 4 Approximate Shipping Weight21 pounds (9,5 kg)Temperature Capabilities-20 to 150 F (-29 to 66 C)Additional Technical DataFor more technical information contactyour Fisher Sales Representative, refer toBulletin :299H, or order your FisherRegulator CD using the card in the backof this 1% Accuracy for Fixed FactorBilling (PFM) Wide Variety of Applications Compact Size Economical, Labor-Saving Installation High-Capacity Pressure Control No Atmospheric Bleed Easy Registration ConversionINLET PRESSURELOADING PRESSUREOUTLET PRESSUREATMOSPHERIC ,EZISYDOB)ND(SEHCNIELYTSNOITCENNOCDNEnor ItsaCnorIelitcuDleetS)23(4/1-1)04(2/1-1d ewercsTPNdewercsTPN---dewercsTPN---dewer csTPN)05(2521ssalCISNA,dewercsTPN)1(FFde gnalfFR052dnaFR052dnaFF521ssalCISNA,dewe rcsTPNdegnalf61dna01 NPdna,degnalfdnaFR051ssalCISNA,dewercsTP Ndegnalf61 NPdna,degnalfFR003.

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