DUNGS FRI - Pressure Regulator for DMV

[{"filename":"fri_datasheet_us_226353.pdf","text":"Gas Appliance Pressure\n Regulators with\n integrated gas filter\n\n FRI/6 Series\n\n\n\n\n CSA Certified\n • ANSI Z21.18 / CSA 6.3\n • Gas Appliance Pressure Regulator\n • File # 1135455\n\n European Community\n • EN 88-1 for EN 746-2\n applications only\n\n UL Unlisted Component\n • File # MH 16727 (sp)\n\n Commonwealth of Massachsetts\n Approved Product\n • Approval code G1-1107-35\n • Gas pressure regulator and gas\n inline filter\n\n US, Canadian and EU Models\n • FRI 705/6\n • FRI 707/6\n • FRI 710/6\n • FRI 712/6\n • 1/2 in. NPT - 2 in. NPT\n • Rp 1/2 - Rp 2 Description - Lock-up type regulator (see page 2\n The FRI/6 balancing type pressure regu- and 3 for details).\n Codes and Standards lator combines a pressure regulator and - Factory installed vent limiter. Review\n This product is intended for instal- a 50 micron gas filter in one housing.Vari- applicable codes for vent line require-\n lations covered by but not limited ous combinations are possible using the ments.\n to NFPA 86, NFPA 54, ANSI Z83.4, FRI/6 with the most of the DMV shutoff\n ANSI Z83.18, ANSI Z21.13, UL 795, valves for a compact, modular system: Application\n CSD-1, CSA B149.1, CSA B149.3 - Stand-alone pressure regulator and The FRI/6 pressure regulator is recom-\n and CSA B149.6. gas filter with threaded flanges, or mended for industrial and commercial\n\n\n\n\n FRI Sales Brochure • P/N 226353 • Edition 2025.05\n direct mount to DMV sizes 701, 702 heating applications and is suitable for\n DUNGS is an ISO 9001 and 703 series safety shutoff valves. natural gas, propane, butane, air and\n manufacturing facility. - Regulator output pressure monitored inert gases. Suitable for up to 0.1 % by\n by direct mounting an A2 type pres- volume, dry H2S.\n sure switch. Additional ports to sense\n inlet and outlet pressure are also A “dry” gas has a dew point lower than\n located on the threaded flanges. +15 °F and its relative humidity is less\n - Heavy duty diaphragm construction than 60 %.\n for durability and strength.\n - Steady, precise and instantaneous\n regulation of the outlet pressure.\n1...8\n\fFRI/6 Balancing type, spring-loaded pressure regulator with adjustable setpoint spring. Internal sensor for regulating\noutput pressure.Integrated 50 micron gas filter. Direct mounting of A2 pressure switch possible.\n\nSpecifications\nBody sizes FRI 705/6 - FRI 707/6 FRI 710/6 - 712/6\nFlanges 1/2\" - 1\" NPT or Rp 1\" - 2\" NPT or Rp\nMax. operating pressure 7 PSI (500 mbar) UL and CE\n 5 PSI (350 mbar) CSA\nMax. body pressure 15 PSI (1000 mbar)\nInput pressure range 2 in. W.C. to 200 in. W.C. (5 mbar to 500 mbar)\nOutput pressure range 1 in. W.C. to 60 in. W.C. (2.5 mbar to 150 mbar);\n adjustable with different springs\n Actual outlet pressure is +/- 15 % of set pressure (15 % hystersis/droop)\nMaterials in contact with gas Housing: \t\t\t\t\tAluminium\n Seals and diaphragms: \t\t\t NBR-based rubber\nAmbient / Fluid Temperature CSA Certified: -10 °F to +150 °F\n CE Marking: -15 °C to +70 °C\nInstallation position Regulator dome from vertically upright to lying horizontally\nTest ports/ One G 1/8 ISO 228 test ports on each side of regulator, sensing downstream\nPressure switch mounting ports pressure, and one on each inlet and outlet flange (if used as a stand alone re-\n gulator).\nGas filter & strainer (standard) 50 micron filter and 23 mesh strainer; replaceable\nVent line / Back loading port/ Vent line connection is G 1/4 ISO 228. The FRI also has a factory installed vent\nBreathing plug limiter, which limits the escape of gas to less than 0.5 CFH @ 5 PSI in case at-\n mospheric diaphragm ruptures. Venting required unless otherwise accepted by\n the authority having jurisdiction.\nHysteresis/Droop Hysteresis is less than 10 % for up to 7 PSI inlet.\n Average droop at 20:1 turndown is 10 % for up to 7 PSI.\n\n\n\n\n 2...8\n\f Lock-up Rating Parameters inlet pressure, the outlet pressure of If in a given application the lock-up\n Per ANSI Z21.80, lock-up is defined as the regulator, the flow rate of the regu- pressure is too high, employing one or\n an outlet pressure not more than 150 % lator, and the pipe volume downstream more of the following should reduce the\n or 5 in. W.C,whichever is greater, above the regulator and upstream the safety lock-up pressure:\n the setpoint after a downstream safety shutoff valve.\n shutoff valve closes with 2 seconds, and Per EN 88-1, lock-up is +30 % of the 1) increase the size of the regulator.\n the two following conditions exists: outlet pressure setting after downstream 2) increase the pipe volume downstream\n 1) outlet pressure is set to the highest shutoff valve slowly closes within 30 the regulator and upstream the safety\n set point of the spring, and seconds. Therefore, in a given applica- shutoff valve.\n 2) the regulator is set to maximum ca- tion, a lockup greater than +30 % or 5 3) decrease the inlet pressure.\n pacity or flow at which the regulator in. W.C could occur, depending out the 4) decrease the oulet pressure.\n will control lockup pressure within the inlet pressure, the outlet pressure of the 5) reduce the flow rate.\n acceptable limits. regulator, the flow rate of the regula-\n This means that in a given application, tor, and the pipe volume downstream\n a lockup greater than 150 % or 5 in. the regulator and upstream the safety\n W.C could occur, depending out the shutoff valve.\n\n FRI pressure ports\n 1, 2, 3 (Ports 2 and 3 are located on\n flange)\n\n Port 1 is thread type G ⅛ as per DIN\n ISO 228\n\n Ports 2 and 3 are thread type G ⅛ as\n per DIN ISO 228\n\n All ports can be used with accessories\n or A2 pressure switches.\n\n\n\n\n3...8\n\fDimensions inch (mm)\n\n\n NPT Field mountable adapter\n G 1/4 to 1/4“ NPT Part # 231944\n\n Replacement\n Gasket\n #171260\n\n\n Required space for\n approx.\n 1.60\"/40 mm\n\n e changing spring Required space\n for mounting A2\n\n d\n pressure switch\n\n\n\n\n c\n\n a f\n b h\n g\n For dimension b\n FRI 710/712:1, 1 1/4 in. NPT = 6.93\"\n FRI 710/712: 1 1/2, 2 in. NPT = 8.11\"\n\n Order flanges\n separately.\n\nType Mounts to NPT Order Dimensions [inch] Weight\n DMV Type…