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DUNGS FRS - Line Pressure Regulator (US/CA)
DungsPressure regulator

DUNGS FRS - Line Pressure Regulator (US/CA)

The DUNGS Line Pressure Regulator FRS are spring loaded gas pressure regulator with an adjustable setpoint spring for a constant outlet pressure in a range from 0,25 to 10 kPa.

SKU 3G-OTH-02951

Also listed as: FRSLINEUSCA · FRS LINE US CA

Brand
Dungs
Item
FRS - Line Pressure Regulator
Category
Pressure regulator
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Datasheet Content

[{"filename":"frs-line_datasheet_us_257194.pdf","text":"Line Pressure Regulators\n Class I or Class II\n\n FRS 7../6 Series\n\n\n\n\n CSA Certified\n • ANSI Z21.80 / CSA 6.22\n as a 5 PSI Class I or Class II\n Line 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 Class II\n • FRS 725/6 (2 1/2” NPT)\n • FRS 730/6 (3” NPT)\n\n Commonwealth of Massachusetts\n Approved Product\n • Approval code G1-0911-83\n • Gas pressure regulator\n\n Codes and Standards Class I\n This product is intended for instal-\n lations covered by but not limited to\n NFPA 54, CSA B149.1 and the Inter-\n Description Application\n national fuel gas code.\n The FRS 7../6 Line pressure regulators The FRS series line pressure regula-\n are a balancing type, spring-loaded regu- tors are recommended for applications\n DUNGS is an ISO 9001\n lator with an adjustable setpoint. They when incoming gas pressure from the\n manufacturing facility.\n feature an internal sensor for regulating service regulator needs to be reduced\n output pressure. to a suitable pressure for the gas ap-\n - Input pressures up to 7 PSI (See pliance pressure regulator. These are\n\n\n\n\n FRS 7../6 LP Sales Brochure • P/N 257194 • Edition 2024.04\n specifications for more details) and designed for high efficiency appliances,\n NPT 1/2” to NPT 3” thread connections high-turn down appliances, appliances\n (FRS 7../6) using direct spark ignition or hot surface\n - Heavy duty diaphragm construction ignition, and other applications requiring\n for durability and strength. a high performance regulator. The FRS\n - Steady, precise and instantaneous is suitable for dry natural gas, propane,\n regulation of the outlet pressure. butane, air and inert gases.\n - Lock-up type regulator (see page 2 The FRS does not contain any non-\n and 3 for details). ferrous metals and is suitable for gases\n - Factory installed vent limiter. Review containing no more than 0.1 % by volume,\n applicable codes for vent line require- dry H2S.\n ments. A “dry” gas has a dew point lower than\n +15 °F and its relative humidity is less\n1…8 than 60 %.\n\fFRS Spring-loaded pressure regulator with adjustable setpoint spring. Internal/External impulse for regulating\n output pressure.\n\nSpecifications\nBody size 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“\nMax. inlet operating pressure CSA Certified: 5 PSI (350 mbar)\nInput pressure range for optimal control 2 in. W.C. to 200 in. W.C. (5 mbar to 500 mbar)\nMax. body pressure 15 PSI (1000 mbar)\nOutput pressure range Class 1: 4 - 12 in. W.C.\n Class 2: 24 - 40 in. W.C.\nMaterials in contact with gas Housing:\t\t Aluminum, steel (free of non-ferrous metals)\n Seals and diaphragms: NBR-based rubber\nAmbient / Fluid Temperature CSA Certified: -20 °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 11/4\n to 3“ NPT. The FRS also has a factory installed vent limiter, which limits the escape\n of gas to less than 0.5 CFH @ 5 PSI in case atmospheric diaphragm ruptures.\n Venting required unless otherwise accepted by the authority having jurisdication.\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 Z.21.80/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\nFRS 7../6 Order No. Pressure Size Dimensions [inch] Weight\nClass I max. Dimensions [mm] [lbs]\n [PSI] [kg]\n a b c d e f\nFRS 705/6 267002 5 NPT 1/2 2.9 12.8 0.9 5.6 G 1/4 8.9 3.0\n 75 325 24 143 225 1,4\nFRS 707/6 269320 5 NPT 3/4 3.9 14.7 1.1 6.5 G 1/4 9.6 5.0\n 100 373 28 165 245 2,3\nFRS 710/6 269321 5 NPT 1 4.3 15.3 1.3 7.5 G 1/4 12.2 6.5\n 110 389 6 190 310 2,9\nFRS 712/6 269322 5 NPT 1 1/4 5.9 19.1 1.6 9.8 G 1/2 14.2 13.0\n 150 485 40 250 365 5,9\nFRS 715/6 267010 5 NPT 1 1/2 5.9 19.7 1.6 9.8 G 1/2 14.2 13.1\n 150 499 40 250 365 5,9\nFRS 720/6 267012 5 NPT 2 6.7 21.8 1.9 12.2 G 1/2 17.7 17.0\n 170 553 47 310 450 7,7\nFRS 725/6 269325 5 NPT 2 1/2 9.1 - 3.7 15.9 G 1/2 23.2 -\n 230 - 95 405 590 -\nFRS 730/6 269328 5 NPT 3 10.4 - 3.7 15.9 G 1/2 23.2 -\n 265 - 95 405 590 -\n\n\n\n\n 2…8\n\f FRS…

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Dungs Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The DUNGS Line Pressure Regulator FRS are spring loaded gas pressure regulator with an adjustable setpoint spring for a constant outlet pressure in a range from 0,25 to 10 kPa.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the DUNGS FRS line pressure regulator used for?

The DUNGS FRS line pressure regulator reduces incoming gas pressure from the service regulator to a suitable level for gas appliance pressure regulators. It is designed for high-efficiency appliances, high-turn down appliances, and systems using direct spark ignition or hot surface ignition.

What are the specifications of the DUNGS FRS line pressure regulator?

The DUNGS FRS series is CSA certified to ANSI Z21.80 / CSA 6.22 as a 5 PSI Class I or Class II line pressure regulator. Available in NPT sizes from 1/2" to 3". It features a spring-loaded, balancing-type design with adjustable setpoint and internal sensor for regulating output pressure.

Where to buy the DUNGS FRS line pressure regulator in Singapore?

3G Electric supplies the DUNGS FRS line pressure regulator to customers in Singapore. We handle logistics, customs clearance, and delivery to your site. Contact our team for a quotation and lead time on your required NPT size.

How to select the right DUNGS FRS line pressure regulator for my application?

Select the FRS model based on your pipe size (NPT 1/2" to 3") and required inlet pressure up to 5 PSI. The regulator is suitable for dry natural gas, propane, butane, air, and inert gases. Ensure the gas is dry (dew point below +15 °F) with less than 0.1% H2S by volume.

Used in

Common applications for Dungs
Industrial steam boilers — MB-ZRDLE MultiBloc on modulating gas-fired plant
Hospital and hotel plant rooms — MB-D series for two-stage commercial burners
Food-industry ovens and dryers — DMV butterfly valves on high-turndown modulating lines
Petrochemical gas-train skid assemblies — FRS / FRSBV regulators with GW pressure switches
Retrofit drop-in replacements for older Dungs MB assemblies on existing Weishaupt / Riello burners

Dungs Products

3G Electric supplies Dungs pressure regulator. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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