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DUNGS FRM - Medium Pressure Regulator DN 65-DN 80
DungsPressure regulator

DUNGS FRM - Medium Pressure Regulator DN 65-DN 80

The DUNGS Medium Pressure Regulator FRM are spring loaded pressure regulator for constant outlet pressure in a range from 9 to 400 kPa. With inlet pressure compensation. Optionally with Slam shut valve incorporated.

SKU 3G-OTH-02945

Also listed as: FRMDN65DN80 · FRM DN65 DN80

Brand
Dungs
Item
FRM - Medium Pressure Regulator DN 65-DN 80
Category
Pressure regulator
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Datasheet Content

[{"filename":"frm-dn65-dn80_datasheet_en_272422.pdf","text":"FRM\nMedium Pressure Regulator\n\n\n\n Medium pressure regulator Type FRM\n\n Direct acting pressure regulator with\n adjustable setpoint springs and modular\n mounted safety shutoff valve (SAV)\n\n In compliance with EN 334 and EN 14382\n\n\n\n • Inlet pressures up to 20 bar (2 000 kPa)\n • High flow rate\n • Stable, accurate and sensitive regulation\n of the outlet pressure\n • Admission pressure compensation diaphragm\n for a high regulation accuracy\n • External impulse\n • Maintenance-friendly\n • Flange connection according to DN 65 - DN 80\n\n\n\n\nFRM DN 65-80 Ÿ Edition 03.26 Ÿ 272 422 1 ... 24\n\fTable of contents FRM\n\n Application\t\t\t\t\t\t 3\n\n Approval\t\t\t\t\t\t 3\n\n Technical data\t\t\t\t\t\t4+5\n\n Pressure taps\t\t\t\t\t\t 6\n\n Nomenclature\t\t\t\t\t\t7\n\n Adjustment range\t\t\t\t\t 8\n\n Selection of regulator springs\t\t\t\t 9\n Selection of SAV springs\t\t\t\t 10+11\n\n Dimensions\t\t\t\t\t\t12+13\n\n Function\t\t\t\t\t\t14\n\n Sectional drawing FRM / SAV\t\t\t\t 14+15\n\n Device selection / flow rate tables\t\t\t 16-21\n\n Contact details\t\t\t\t\t\t24\n\n\n\n\nFRM DN 65-80 Ÿ Edition 03.26 Ÿ 272 422 2 ... 24\n\fFRM Application Approval\nSpring-loaded, pressure compen- Pressure regulation of industrial gas\nsating regulator with adjustable EC type testing certificate as per:\n burners and gas heating appliances.\nsetpoint springs for regulation of Also for installation in the municipal\nthe regulator outlet pressure. and commercial gas supply. • EC-Pressure Equipment Directive\nExternal impulse of the regulator\noutlet pressure. Suitable for gases of gas families\n 1, 2, 3 and other neutral gases.\n\n\n\n\nFRM DN 65-80 Ÿ Edition 03.26 Ÿ 272 422 3 ... 24\n\fTechnical Data FRM Spring-loaded medium pressure regulator in compliance with EN 334\n\n Type FRM 100… IS (integral strength range) / FRM 250… DS (differential strength range)\n\n Type of gas Family 1+2+3 (e.g. manufactured gas (town gas), commercial grade natural gas and\n commercial grade LPG gases in the vaporized phase).\n\n Nominal diameters Connecting flanges PN 25 according to EN 1092-1 or ANSI Class 150 per B16.5\n Flanges DN 65 80\t\t NPS 2.5\" 3\"\n\n Max. inlet pressure FRM 250... 20 bar (2 000 kPa / 290 PSI ) / FRM 100... 10 bar (1 000 kPa / 145 PSI)\n\n Outlet pressure range 90-4 000 mbar (9 - 400 kPa) / 12 to 1 600 \"W.C. (0.4 - 58 PSI)\n\n Minimum inlet pressure (MD) 440 mbar (44 kPa) / 170 \"W.C. (6.4 PSI)\n\n Minimum inlet pressure (HD) 900 mbar (90 kPa) / 360 \"W.C. (13 PSI)\n\n Minimum inlet pressure (UHD) 1 500 mbar (150 kPa) / 602 \"W.C. (22 PSI)\n\n Accuracy class up to AC 5 (see adjustment range, page 8)\n\n Lock-up pressure class up to SG 10 (see adjustment range, page 8)\n\n Failure mode (diaphram rupture) fail-open\n\n Materials Main body housing: cast iron GJS 400-15\n Diaphragm housing: steel\n Diaphragms:\t\t NBR\n\n Ambient temperature -20 °C to + 60 °C / -4 °F to + 140 °F\n\n\nFRM DN 65-80 Ÿ Edition 03.26 Ÿ 272 422 4 ... 24\n\fTechnical Data SAV Safety shut-off valve in compliance with EN 14382, class A\n\n Type FRM 100… IS (integral strength range) / FRM 250… DS (differential strength range)\n\n Response time <2s\n\n Lower adjustment range Wdu 35 - 3 000 mbar (3,5 - 3 00 kPa) / 14 - 1 205 \"W.C. (0.5 - 43.5 PSI)\n\n Upper adjustment range Wdo 180 - 5 000 mbar (18 - 500 kPa) / 72 - 2 007 \"W.C. (2.6 - 72.5 PSI)\n\n Materials Main body housing: cast iron GJS 400-15\n Diaphragm housing: aluminium\n Diaphragms:\t\t NBR\n\n\n\n\nFRM DN 65-80 Ÿ Edition 03.26 Ÿ 272 422 5 ... 24\n\fPressure taps\n\n\n 1 Vent line connection of the regulator,\n G½ ISO 228\n\n 2 External impulse line connection of the\n regulator, Ermeto screw connection\n GE 12- ½ for tubes 12 x 1,5\n\n 3 External impulse line connection of the\n SAV, Ermeto screw connection\n GE 12- ¼ for tubes 12 x 1,5\n 1\n 4 Vent line connection SAV,\n G¼ ISO 228\n\n\n\n 3 2\n\n Only for US/CDN versions:\n 4 1 1/2\" NPT adapter\n 2 1/2\" straight connector for 1/2\" tubes\n 3 1/2\" elbow connector for 1/2\" tubes\n 4 1/4\" NPT adapter\n\n\n\n\nFRM DN 65-80 Ÿ Edition 03.26 Ÿ 272 422 6 ... 24\n\fNomenclature\n\n\n Example FRM 100080 MD/ SAV MD FRM 100 080 MD SAV MD\n\n Type Spring-loaded medium pressure regulator\n Maximum operating pressure 100 … 10 000 mbar (1 000 kPa)\n MOP 4 018 “W.C (145 PSI)\n 250 ... 20 000 mbar (2 000 kPa)\n 8 360 “W.C. (290 PSI)\n Nominal diameter 065 DN 65 (21/2\")\n 080 DN 80 (3\")\n Pressure range, outlet MD Medium pressure\n pressure HD High pressure\n UHD Ultra high pressure\n Safety device SAV Integrated shut-off valve\n\n Pressure range, trip pressure MD Medium pressure\n HD High pressure\n UHD Ultra high pressure\n Flange type with standard PN-25\n ANSI with ANSI Class 150\n\n\n\n\nFRM DN 65-80 Ÿ Edition 03.26 Ÿ 272 422 7 ... 24\n\fAdjustment range\n\n Type Con- Ver- Accuracy Lock-up Outlet pressure Under pressure monitoring Over pressure monitoring\n nection sion class* pressure range Wd SAV SAV\n [AC] class* [SG]\n Wdu AG Wdo AG\n\n AC 90 - 420 mbar\n FRM 100065 MD DN 65 MD SG 10/20**\n 5/10** 36 - 168 \"W.C.\n 400 - 1 500 mbar\n…

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

Product Description

The DUNGS Medium Pressure Regulator FRM are spring loaded pressure regulator for constant outlet pressure in a range from 9 to 400 kPa. With inlet pressure compensation. Optionally with Slam shut valve incorporated.

Frequently Asked Questions

What is the DUNGS FRM medium pressure regulator used for?

The DUNGS FRM medium pressure regulator is used for pressure regulation of industrial gas burners and gas heating appliances. It maintains a constant outlet pressure between 9 and 400 kPa, suitable for gas families 1, 2, and 3, including natural gas and LPG in vaporized phase.

What are the specifications of the DUNGS FRM DN 65-DN 80?

The DUNGS FRM DN 65-DN 80 has flange connections per EN 1092-1 or ANSI Class 150, with max inlet pressure up to 20 bar (2,000 kPa) for FRM 250 models. Outlet pressure range is 9 to 400 kPa, with accuracy class up to AC 5 and lock-up pressure class up to SG 10.

Where to buy the DUNGS FRM medium pressure regulator in Singapore?

You can source the DUNGS FRM medium pressure regulator through 3G Electric in Singapore. We handle logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this industrial gas regulator.

How to install the DUNGS FRM pressure regulator?

Install the DUNGS FRM with the external impulse line connected to the outlet pressure for accurate regulation. Ensure flanges are aligned per DN 65 or DN 80 standards. Use proper gaskets and torque bolts evenly. Always follow local gas safety codes and the manufacturer's datasheet for spring selection.

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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