Datasheet Content
[{"filename":"frs-appliance_datasheet_us_244909.pdf","text":"Gas Appliance Pressure\n Regulators\n\n FRS 7../6 Series\n FRS 5... Series\n\n\n\n\n CSA Certified\n • ANSI Z21.18 / CSA 6.3 as a Gas\n Appliance Pressure Regulator\n • File # 1205910\n\n NPT Threaded Versions\n • FRS 705/6 (1/2” NPT)\n • FRS 707/6 (3/4” NPT)\n • FRS 710/6 (1” NPT)\n • FRS 712/6 (1 1/4” NPT)\n • FRS 715/6 (1 1/2” NPT)\n • FRS 720/6 (2” NPT)\n • FRS 725/6 (2 1/2” NPT)\n • FRS 730/6 (3” NPT)\n\n ISO Flanged Versions\n • FRS 5040 (1 1/2”)\n • FRS 5050 (2”)\n • FRS 5065 (2 1/2”)\n • FRS 5080 (3”)\n • FRS 5100 (4”)\n • FRS 5125 (5”)\n • FRS 5150 (6”)\n\n Commonwealth of Massachusetts Description - Factory installed vent limiter. Review\n Approved Product The FRS 7../6 Threaded & FRS 5... applicable codes for vent line require-\n • Approval code G1-1107-35 Flanged balancing type pressure regula- ments.\n • Gas pressure regulator tors are spring-loaded pressure regula-\n tors with an adjustable setpoint. Both Application\n Codes and Standards feature an internal sensor for regulating The FRS series gas pressure regulators\n This product is intended for instal- output pressure. are recommended for industrial and\n lations covered by but not limited to - Input pressures up to 10 PSI (See commercial applications, and they are\n NFPA 37, NFPA 86, NFPA 54, CSD-1, specifications for more details) and designed for high efficiency appliances,\n UL 795, ANSI Z83.4, ANSI Z83.18,\n\n\n\n\n FRS Sales Brochure • P/N 244909 • Edition 2024.07\n NPT ½” to NPT 3” thread connections high-turn down appliances, appliances\n ANSI Z21.13, CSA B149.1, CSA B149.3 (FRS 7../6) using direct spark ignition or hot surface\n and CSA B149.6. - Input pressures up to 7 PSI and DN 40 ignition, and other applications requiring\n to DN 150 flanged connections (FRS a high performance regulator. The FRS\n DUNGS is an ISO 9001 5... Flanged) is suitable for dry natural gas, propane,\n manufacturing facility. - Heavy duty diaphragm construction butane, air and inert gases.\n for durability and strength. The FRS does not contain any non-ferrous\n - Steady, precise and instantaneous metals and is suitable for gases containing\n regulation of the outlet pressure. no more than 0.1 % by volume, dry H2S.\n - Lock-up type regulator (see page 2 A “dry” gas has a dew point lower than\n and 3 for details). +15 °F and its relative humidity is less\n1…8 than 60 %.\n\fFRS Spring-loaded pressure regulator with adjustable setpoint spring. Internal sensor for regulating output pressure.\n\nSpecifications\nBody size (FRS 7../6 threaded series) 705/6 707/6 710/6 712/6 715/6 720/6 725/6 730/6\npipe size (Type NPT) 1/2“ 3/4“ 1“ 1 1/4“ 1 1/2“ 2“ 2 1/2“ 3“\nBody size (FRS 5...flanged series) 5040 5050 5065 5080 5100 5125 5150\npipe size (Type ISO welded flange) 1-1/2“ 2“ 2-1/2“ 3“ 4“ 5“ 6“\n Raised face flange as per DIN 2501 Part 1: Fits preweld flanges as per DIN 2633\n (PN 16) DN 40 to DN 150, per ISO 7085 - 1 (PN 16), or per ISO 7005 - 2 (PN 16)\nMax. inlet operating pressure CSA Certified: 5 PSI (350 mbar)\nFRS 7../6 Factory Rating: 7 PSI (500 mbar)\n Factory Rating: 10 PSI (690 mbar) versions available with outlet 4 - 80“ W.C.\nMax. inlet operating pressure CSA Certified: 5 PSI (350 mbar)\nFRS 5... Flanged Factory Rating: 7 PSI (500 mbar)\nInput pressure range for optimal control\nFRS 7../6 2 in. W.C. to 200 in. W.C. (5 mbar to 500 mbar)\nFRS 5... Flanged 2 in. W.C. to 200 in. W.C. (5 mbar to 500 mbar)\nMax. body pressure\nFRS 7../6 15 PSI (1000 mbar)\nFRS 5... Flanged 10 PSI (700 mbar)\nOutput pressure range 1 in. W.C. to 80 in. W.C. (2.5 mbar to 200 mbar). See spring selection below.\nMaterials in contact with gas Housing:\t\t\t Aluminum, steel (free of non-ferrous metals)\n Seals and diaphragms:\t\t NBR-based rubber\nAmbient / Fluid Temperature CSA Certified: -20 °F to +160 °F\nFRS 7../6 Factory Rating: +5 °F to +160 °F\n\nAmbient / Fluid Temperature CSA Certified: -20 °F to +160 °F\nFRS 5... Flanged Factory Rating: +5 °F to +160 °F\nInstallation position Regulator dome from vertically upright to lying horizontally\nVent line connection / vent limiter Vent line connection is G 1/4“ for FRS‘s up to 1“ NPT, and it is G 1/2“ for FRS‘s\n 1 1/4 and larger. The FRS also has a factory installed vent limiter, which limits\n the escape of gas to less than 0.5 CFH @ 5 PSI in case atmospheric diaphragm\n ruptures. Venting required unless otherwise accepted by the authority having\n jurisdiction.\nTurndown Rated for 20:1\nHysteresis and Droop Hysteresis/repeatability is less than 10% for up to 7 PSI inlet.\n Average droop at 20:1 turndown is 10% for up to 7 PSI.\nLock-up Rating • The FRS meets the ANSI Z21.80/CSA 6.22 as Class I, which allows lockup\n rating not more than 150% or 5 in. W.C, whichever is greater.\n • The FRS meets EN 88-1 as SG30, which allows lock-up as high as +30% of\n the outlet pressure.\n • See Lock-up pressure parameters on page 3 for more details\n\n\n\n\n 2…8\n\f Lock-up Rating Parameters Lock-up Pressure Spike\n Per ANSI Z21.80, lock-up is defined as an outlet pressure not If in a given application the lock-up pressure is too high, upon\n more than 150 % or 5 in. W.C, whichever is greater, above the system shutdown, employing one or more of the following\n setpoint after a downstream safety shutoff valve closes with 2 should reduce the lock-up pressure:\n seconds, and the two following conditions exists: 1. Increase the size of the regulator.\n 2. For standard applications, increase the pipe volume down-\n 1. outlet pressure is set to the highest set point of the spring, stream the regulator and upstream the safety shutoff valve.\n and For a commercial appliance using a combination valve with\n 2. the regulator is set to maximum capacity or flow at which a zero governor, installing the FRS within 1-2 feet of the\n the regulator will control lockup pressure within the ac- appliance will help minimize the lock-up pressure.\n ceptable limits. 3. Decrease the inlet pressure.\n 4. Decrease the oulet pressure.\n This means that in a given application, a lock-up greater than 5. Reduce the flow rate.\n 150 % or 5 in. W.C could occur, depending out the inlet pres- 6. Disconnect vent line, if installed.\n sure, the outlet pressure of the regulator, the flow rate of the 7. Use the external impulse option (see page 7). This will\n regulator, closing time of safety shutoff valves, and the pipe typically reduce the lock-up pressure by 10 %.\n volume downstream the regulator and upstream the safety 8. Install a token relief valve.\n shutoff valve.\n Lock-up Pressure Creep\n Per DUNGS & EN 88, lock-up is +30 % of the outlet pressure If the lock-up pressure slowly increases over time, the regu-\n setting after downstream shutoff valve slowly closes within 30 lating disc is dirty or damaged or the regulator is defective.\n seconds.…
