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DUNGS FRS - Gas Pressure Regulator
DungsPressure regulator

DUNGS FRS - Gas Pressure Regulator

The DUNGS Gas 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 20 kPa.

SKU 3G-OTH-02950

Brand
Dungs
Item
FRS - Gas Pressure Regulator
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":"frs_datasheet_en_214743.pdf","text":"Pressure regulator\n FRS\n\n 4.10\n\n\n\n\n Technical description Application\n The DUNGS pressure regulator, type Gas pressure regulator for gas burners\n FRS, has an adjustable setpoint spring. and gas equipment. It does not contain\n The pressure regulator complies with any non-ferrous metals, suitable for\n EN 88-1 and DIN 3380: gases of up to max. 0.1 vol.% H2S, dry.\n - Input pressures up to 500 mbar (50 kPa) Suitable for gases of families 1, 2, 3 and\n - High flow rate other neutral gaseous media.\n - Sturdy, precise and sensitive regula-\n tion of regulator output pressure Approval\n - Inlet pressure compensation dia- EC type testing certificate as per:\n\n\n\n\n Printed in Germany • Edition 01.18 • Nr. 214 743\n phragms • EC-Gas Appliances Regulation\n - Safety diaphragms Approvals in other important gas con-\n - Internal pulse for regulator output suming countries.\n pressure as standard, optional ex-\n ternal pulse connection optional on\n both sides\n - Rp 3/8 to Rp 2 thread connection\n - DN 40 to DN 150 flange connection\n\n\n1…6\n\f Spring-loaded pressure regulator with adjustable setpoint spring. Internal tap of regulator output\n FRS\t\t\n \t\t pressure. External pulse connections optional, suitable for controlling regulator output pressure.\n\n\nSpecifications\n\nNominal diameters DN\t\t\t\t\t 40 50 65 80 100 125 150\nPipe thread as per ISO 7/1 Rp 3/8 1/2 3/4 1 1 1/2 2 2 1/2\nFlange Connection flange (PN 16) as per DIN EN 1092-1\n\nMax. operating pressure up to 500 mbar (50 kPa)\n\nPressure regulator Pressure regulator as per EN 88-1, Class A, Group 2, DIN 3380, RG 10\n\nInput pressure range + 5 mbar or p2 +2.5 mbar up to 500 mbar\n\nOutput pressure range 2.5 mbar to 200 mbar as a factor of adjustable setpoint spring\n\nMaterials of gas-conveying parts Housing:\t\t aluminium, steel\n Seals and diaphragms: NBR\n\nAmbient temperature -15 °C to + 70 °C\n\nInstallation position Regulator dome from vertically upright to lying horizontally\n\nMeasuring/ignition gas connections G 1/4 ISO 228 on both sides in inlet section\n\nPulse connection Internal in outlet section,\n Optional: external on housing on both sides\n\nVentilation pipe Ventilation pipe only required in special cases. Safety diaphragms are installed.\n Connection: G 1/4 ISO 228 to Rp 1; from Rp 1 1/2, DN 40: G 1/2 ISO 228\n\n\n Pressure taps\n\n 1 Breathing plug, ventilation pipe.\n\n 2 Connection for external pulse\n G 1/4 ISO 228 screw plug on both\n sides, optional\n\n 3 G 1/4 ISO 228 screw plug in input\n section on both sides\n\n\n\n\n 2…6\n\f Spring selection\n The output pressure is provided by the moving parts. The pressure regu- adjustable spring, other output pres-\n the force of the installed adjustable lator is equipped with the blue spring sures can be adjusted.\n spring and the force due to weight of No. 4 as standard. By exchanging the\n\n Setpoint spring 2,5…9 5…13 5…20 10…30 25…55 30…70 60…110 100…150 140…200\n range [mbar] Spring 1 Spring 2 Spring 3 Spring 4 Spring 5 Spring 6 Spring 7 Spring 8 Spring 9\n Spring colour brown white orange blue red yellow black pink grey\n Nominal width Rp/DN Standard\n Rp 3/8, Rp 1/2 229 817 229 818 229 820 229 821 229 822 229 823 229 824 229 825 229 826\n Rp 3/4 229 833 229 834 229 835 229 836 229 837 229 838 229 839 229 840 229 841\n Rp 1 229 842 229 843 229 844 229 845 229 846 229 847 229 848 229 849 229 850\n Rp 1 1/2, DN 40 229 851 229 852 229 853 229 854 229 869 229 870 229 871 229 872 229 873\n Rp 2, DN 50 229 874 229 875 229 876 229 877 229 878 229 879 229 880 229 881 229 882\n Rp 2 1/2, DN 65, 80 229 883 229 884 229 885 229 886 229 887 229 888 229 889 229 890 229 891\n DN 100 229 892 229 893 229 894 229 895 229 896 229 897 229 898 229 899 229 900\n DN 125 229 901 229 902 229 903 229 904 229 905 229 906 229 907 229 908 243 416\n DN 150 229 909 229 910 229 911 229 912 229 913 229 914 229 915 229 916 243 417\n\n\n Dimensions\n\n\n\n\n Type Order No. Order No. pmax. Rp / DN Dimensions [mm] Weight\n Internal External [mbar] [kg]\n pulse pulse a b c d e f g h\n\n FRS 503 086 462 220 998 500 Rp 3/8 77 115 24 143 G 1/4 G 1/4 G 1/8 225 0.60\n FRS 505 070 383 211 817 500 Rp 1/2 77 115 24 143 G 1/4 G 1/4 G 1/8 225 0.60\n FRS 507 070 391 220 999 500 Rp 3/4 100 130 28 165 G 1/4 G 1/4 G 1/8 245 1.00\n FRS 510 070 409 210 381 500 Rp 1 110 145 33 190 G 1/4 G 1/4 G 1/8 310 1.20\n FRS 515 058 446 221 000 500 Rp 1 1/2 150 195 40 250 G 1/2 G 1/4 G 1/4 365 2.50\n FRS 520 058 628 208 237 500 Rp 2 170 250 47 310 G 1/2 G 1/4 G 1/4 450 3.50\n FRS 525 083 303 500 Rp 2 1/2 230 285 60 365 G 1/2 G 1/4 G 1/4 550 6.00\n FRS 5040 065 144 214 474 500 DN 40 200 195 62.5 280 G 1/2 G 1/4 G 1/4 395 3.50\n FRS 5050 065 151 183 600 500 DN 50 230 250 73 340 G 1/2 G 1/4 G 1/4 480 5.00\n FRS 5065 058 792 183 930 500 DN 65 290 285 93 405 G 1/2 G 1/4 G 1/4 590 7.50\n FRS 5080 079 681 183 940 500 DN 80 310 285 90 405 G 1/2 G 1/4 G 1/4 590 10.00\n FRS 5100 082 552 211 019 500 DN 100 350 350 100 495 G 1/2 G 1/4 G 1/4 760 16.00\n FRS 5125 013 250 208 301 500 DN 125 400 400 125 635 G 1/2 G 1/4 G 1/4 1000 28.00\n FRS 5150 013 268 208 302 500 DN 150 480 480 142.5 780 G 1/2 G 1/4 G 1/4 1180 38.00\n\n\n3…6\n\fFunctional description Instructions\n Do not route condensate\nFunctions according to the force compari- Gas-conveying lines, pulse and con-\n from lines into the pressure\nson principle between the force of: nection lines must be made of steel\n regulator.\n- the adjustable setpoint spring and at least PN 1, DN 6. The lines must\n Protect the pressure regulator\n- the differential pressure at the work- be resistant to thermal, chemical and\n from fouling by means of a suit-\n ing diaphragm mechanical loads. The lines must be\n able dirt trap.\n- the force due to weight of the moving durable and resistant to deformation\n parts and cracks.\n Do not apply combustion\nThe adjustable spring acts with the force\n gas or combustion gas air\ndue to weight of the moving parts. The\n mixtures to the installation cham-\noutput pressure is adjusted depending\n ber of the adjustable spring.\non the pretension of the adjustable\nspring and the installation position.\n\n\n FRS 515 sectional drawing\n Pressure regulator in operating position\n\n\n\n\n 1 Housing 4 Compensation diaphragm 7 Safety diaphragm\n 2 Regulating cup 5 Diaphragm disk 8 Breathing plug\n 3 Pulse tap, internal 6 Working diaphragm 9 Setpoint spring\n 10 Adjustment device\n\n\n\n\n 4…6\n\f Equipment preselection, blocked sure p1 and regulator output pressure p2 The pressure drop over blocked pres-\n pressure regulators in connection with the maximum volu- sure regulators is described by the\n You can preselect the nominal diam- metric flow Vmax determine the nominal \"mechanically open\" characteristic.\n eter using the volumetric flow pressure width of the pressure regulator. The The final determination is performed\n drop characteristic of the pressure operating point described by ∆pmin and according to the dimension specified\n regulators in mechanically open state. Vmax is left of the nominal width of…

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

Product Description

The DUNGS Gas 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 20 kPa.

Frequently Asked Questions

What is the DUNGS FRS gas pressure regulator used for?

The DUNGS FRS gas pressure regulator is used in gas burners and gas equipment to maintain a constant outlet pressure. It is suitable for neutral gaseous media and gases with up to 0.1 vol.% H2S, making it ideal for industrial combustion systems in Singapore.

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

The DUNGS FRS has a max operating pressure of 500 mbar (50 kPa) and output pressure range of 2.5 mbar to 200 mbar. It comes in thread connections Rp 3/8 to Rp 2 and flange connections DN 40 to DN 150. It complies with EN 88-1 and DIN 3380.

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

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

How to install the DUNGS FRS gas pressure regulator?

Install the DUNGS FRS with the regulator dome positioned from vertically upright to lying horizontally. Use an internal pulse connection as standard; external pulse connections are optional. Ensure ambient temperature stays between -15 °C and +70 °C. Always follow local gas safety codes.

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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