Datasheet Content
[{"filename":"frng_datasheet_en_219570.pdf","text":"Pressure regulator\n 3G-OTH-02948\n\n Zero pressure regulator\n Proportional pressure\n regulator\n Compressed air-control-\n led pressure regulator\n\n 4.14\n\n\n\n\n Technical description - Connection for blower pressure as\n The DUNGS pressure regulator, type standard\n 3G-OTH-02948, has an adjustable setpoint\n spring and defined counterspring. The Application\n pressure regulator complies with The DUNGS pressure regulator, type\n EN 88-1 and DIN 3380: 3G-OTH-02948, is suitable for gases of families\n - Input pressures up to 200 mbar 1, 2, 3 and other neutral gaseous media.\n (20 kPa) for zero pressure Does not contain any non-ferrous met-\n applications als, suitable for gases of up to max. 0.1\n\n\n\n\n Printed in Germany • Edition 02.20 • Nr. 219 570\n - Input pressures up to 200 mbar (20 kPa) vol.% H2S, dry.\n for proportional pressure applications\n - Bypass prepared, Rp 3/8 to Rp 2 Approval\n - Sturdy, precise and sensitive regula- EC type testing certificate as per:\n tion of regulator output pressure • EC-Gas Appliances Regulation\n - Inlet pressure compensation dia- Approvals in other important gas con-\n phragms suming countries.\n - Safety diaphragms\n - Internal pulse for regulator output\n pressure as standard, external pulse\n1…8 connection prepared\n\fFRNG Spring-loaded pressure regulator with adjustable setpoint spring and defined counterspring. Internal\n tap of regulator output pressure, external pulse and blower pressure connections prepared. Suitable for\n controlling regulator output pressure via a pneumatic command variable.\n\nSpecifications\n\nNominal diameters DN 40 50 65 80 100 125 150\nPipe thread as per ISO 7/1 Rp 3/8 1/2 3/4 1 11/2 2\nFlange Connection flange (PN 16) 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, EN 12078\n\nInput pressure range\nZero pressure regulator 5 to 200 mbar (0.5 to 20 kPa)\nProportional pressure regulator 5 to 200 mbar (0.5 to 20 kPa)\nCompressed air-controlled pressure regulator to 500 mbar (50 kPa)\n\nOutput pressure range Zero pressure regulator\t\t -3 to 5 mbar (-0.3 to 0.5 kPa)\n Proportional pressure regulator -10 to 200 mbar (-1 to 20 kPa)\n Pressure with compressed air up to max. 350 mbar (35 kPa).\n\nMaterials of gas-conveying parts Housing: aluminium, steel, no non-ferrous metals\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 Rp 3/8 - DN 100\n • Regulator dome in vertical position\n DN 125, DN 150\n • Regulator dome overhead\n Rp 3/8 - DN 150 (Zero pressure regulator)\n\nMeasuring/ignition gas connections G 1/4 ISO 228 on both sides in inlet section\n\nMeasurement opening G 1/8 ISO 228 in the baseplate (option DN 125, DN 150)\n Reclosable opening for setting system-specific valuas when the system is put\n into operation, e. g. gas motor\n\nBypass Bypass prepared: Rp 3/8 to Rp 2 on right of housing\n\nPulse connection Internal in outlet section,\n externally prepared on housing: Rp 3/8 to Rp 1 left, G 1/8;\n on both sides from Rp 1 1/2, DN 40 G 1/4; internal pulse lockable\n\nVentilation line / pressure connection Ventilation line needs no routing, use existing connection as pressure connec-\nfor blower pressure tion for command variable (blower pressure).\n Connection: G 1/4 to Rp 1; from Rp 1 1/2, DN 40: G 1/2\n\nBlower pressure command variable For proportional pressure applications and gas-air ratio applications at pressure\n ratio of approx. 1:1 and in compressed-air controlled operation: pmax = 150 mbar\n (15 kPa)\n\nSpring selection\nThe output pressure is provided by regulator is equipped with the brown shifts (offsets) of the output pressure\nthe force of the installed adjustable spring No. 1 as standard. By exchang- (refer to Fig. Compressed air-controlled\nspring, the counterspring and the the ing the adjustable spring, it is possible pressure regulator).\nblower pressure applied. The pressure to achieve larger positive zero point\n\n\n\n\n 2…8\n\f Installation over-\n Vertically upright to lying horizontally\n position head\n Setpoint spring 0-pres- 0-pres- 5...13 5...20 10...30 25...55 30...70 60...110 100...150 140...200\n range [mbar] sure sure\n Numbering of spring 3 spring 1 spring 2 spring 3 spring 4 spring 5 spring 6 spring 7 spring 8 spring 9\n the springs\n Spring colour orange brown white orange blue red yellow black pink grey\n Nominal dia-\n Standard Spring 2...9 for compressed applications only\n meter Rp/DN\n Rp 3/8, Rp 1/2 229 820 229 817 229 818 229 820 229 821 229 822 229 823 229 824 229 825 229 826\n Rp 3/4 229 835 229 833 229 834 229 835 229 836 229 837 229 838 229 839 229 840 229 841\n Rp 1 229 844 229 842 229 843 229 844 229 845 229 846 229 847 229 848 229 849 229 850\n Rp 1 1/2, DN 40 229 853 229 851 229 852 229 853 229 854 229 869 229 870 229 871 229 872 229 873\n Rp 2, DN 50 229 876 229 874 229 875 229 876 229 877 229 878 229 879 229 880 229 881 229 882\n DN 65, DN 80 229 885 229 883 229 884 229 885 229 886 229 887 229 888 229 889 229 890 229 891\n DN 100 229 894 229 892 229 893 229 894 229 895 229 896 229 897 229 898 229 899 229 900\n DN 125 229 903 229 901 229 902 229 903 229 904 229 905 229 906 229 907 229 908 243 416\n DN 150 229 911 229 909 229 910 229 911 229 912 229 913 229 914 229 915 229 916 243 417\n\n Standard Offset ≤ 5 mbar (Closing force of counterspring in closed position)\n\n\n Dimensions\n\n\n\n\n Type Order No. * Order No. ** p max. Rp / DN We i g h t\n [mbar] a b c d e f g h [kg]\n 3G-OTH-02948 503 220 967 290 044 500 Rp 3/8 77 115 24 143 G 1/4 G 1/4 G 1/8 225 0,60\n 3G-OTH-02948 505 220 968 290 045 500 Rp 1/2 77 115 24 143 G 1/4 G 1/4 G 1/8 225 0,60\n 3G-OTH-02948 507 220 969 290 046 500 Rp 3/4 100 130 28 165 G 1/4 G 1/4 G 1/8 245 1,00\n 3G-OTH-02948 510 220 970 290 047 500 Rp 1 110 145 33 190 G 1/4 G 1/4 G 1/8 310 1,20\n 3G-OTH-02948 515 209 064 290 048 500 Rp 1 1/2 150 195 40 250 G 1/2 G 1/4 G 1/4 365 2,50\n 3G-OTH-02948 520 209 065 290060 500 Rp 2 170 250 47 310 G 1/2 G 1/4 G 1/4 450 3,50\n\n 3G-OTH-02948 5040 159 350 290 061 500 DN 40 200 195 75 280 G 1/2 G 1/4 G 1/4 395 3,50\n 3G-OTH-02948 5050 209 067 290 062 500 DN 50 230 250 82,5 340 G 1/2 G 1/4 G 1/4 480 5,00\n 3G-OTH-02948 5065 209 068 290 063 500 DN 65 290 285 92,5 405 G 1/2 G 1/4 G 1/4 590 7,50\n 3G-OTH-02948 5080 209 069 290 064 500 DN 80 310 285 100 405 G 1/2 G 1/4 G 1/4 590 10,00\n 3G-OTH-02948 5100 214 422 290 065 500 DN 100 350 350 110 495 G 1/2 G 1/4 G 1/4 760 16,00\n 3G-OTH-02948 5125 220 758 290 066 500 DN 125 400 400 125 635 G 1/2 G 1/4 G 1/4 1000 28,00\n 3G-OTH-02948 5150 224 212 290 067 500 DN 150 480 480 142,5 780 G 1/2 G 1/4 G 1/4 1180 38,00\n\n Bypass 225 256\n restrictor\n Rp 3/8 - Rp2\n * Installation position vertically upright to lying horizontally\n3 … 8 ** Installation position overhead (atmospheric pressure regulator)\n\fFunctional description\nFunctions according to the force com- the counterspring is compensated. Do not route condensate\nparison principle between the force of: Overcompensation leads to positive from lines into the pressure\n regulator output pressures, partial com- regulator.\n- the adjustable setpoint spring pensation leads to negative regulator\n- the defined counterspring output pressures.…
