DUNGS FRSBV - Safety Pressure Relief Valves up to 1 bar

[{"filename":"frsbv_datasheet_en_226603.pdf","text":"Safety pressure relief\n FRSBV\n\n 4.15\n\n\n\n\n Technical description Application\n The DUNGS safety pressure relief Safety pressure relief valve for gas\n valve, type FRSBV, is a spring-loaded burners and gas equipment.\n safety blow-off device (SBV) with an Suitable for gases of gas families 1, 2,\n adjustable response pressure. 3 and other neutral gaseous media.\n The safety blow-off valve corresponds Free of non-ferrous metals, suitable for\n to DIN 33821. gases up to max. 0.1 vol.% H2S, dry.\n\n - Inlet pressures up to 1.0 bar (100 kPa) Approval\n - Large flow rate EC type testing certificate as per:\n\n\n\n\n Printed in Germany • Edition 10.19 • Nr. 226 603\n - Safety diaphragms • EC-Gas Appliances Regulation\n - Internal sensor for response pres- Approvals in other important gas con-\n sure as standard suming countries.\n - Threaded connection Rp 1\n\n\n\n\n1…4\n\f FRSBV Spring-loaded safety blow-off device with adjustable reference-value spring, internal tap of response\n pressure.\n\nSpecifications\n\nNominal diameters DN 25\nPipe thread as per ISO 7/1 Rp 1\n\nMax. operating pressure up to 1.0 bar (100 kPa)\n\nSafety pressure relief valve Safety blow-off valve as per DIN 33821\n\nInlet pressure range up to 1.0 bar (100 kPa)\n\nSetting range, response pressure 70 mbar (7 kPa) up to 830 mbar (83 kPa) depending on the adjustable reference value 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 Spring mandrel from horizontally lying to vertically standing\n\nTest connections G 1/4 ISO 228 on both sides in inlet range\n\nPulse connection Internally in inlet range\n\nVent line Vent line only necessary in special cases since safety diaphragms are installed.\n Connection: G 1/4 ISO 228\n\n\n FRSBV application, example\n\n\n Control line\n KH Ball valve\n GF Gas filter\n M Manometer\n R Gas pressure regulator\n SAV Safety slam-shut valve\n GW Gas pressure switch\n FRSBV Safety pressure relief valve\n DMV Double solenoid valve\n VPS Valve proving system\n\n\n\n\nSelecting the spring\nThe response pressure results from the with a yellow spring as standard. By Do not route condensate\nforce of the installed setting spring and replacing the reference value spring you from lines into safety blow-\nthe weight of the moving parts. can set other response pressures. off valve.\nThe safety blow-off valve is equipped Protect the safety blow-off valve\n from contamination by using a\n proper dirt trap.\n Do not apply burnable gas or\n Reference value spring range [mbar] 70 … 350 300 … 830 burnable gas air mixtures to the\n Spring colour installation space of the setting\n Yellow spring Grey spring spring.\n Order No. Standard\n 226 382 226 383\n\n\n\n\n 2…4\n\f Dimensions Pressure taps\n\n\n\n 1. Vent plug\n G 1/4 ISO 228\n\n 2. Sealing plug\n G 1/4 ISO 228\n in inlet range on both\n sides\n\n\n\n\n Type Order No. Pmax. Rp/DN Dimensions [mm] Weight\n [bar] [kg]\n a b c d e f g\n\n FRSBV 1010 226 284 1.0 Rp 1 110 145 33 190 G 1/4 G 1/4 310 1,20\n\n\n Sectional drawing of FRSBV 1010\n Safety pressure relief valve in closed position\n\n\n 1 Housing\n 2 Spindle\n 3 Sealing ring\n 4 Control disk\n 5 Intermediate disk\n 6 Operating diaphragms\n 7 Safety diaphragms\n 8 Diaphragm disk\n 9 Reference value spring\n 10 Cover\n 11 Adjuster\n 12 Protective cap\n 13 Vent plug\n\n\n\n\n3…4\n\f Safety pressure relief valve\n FRSBV\n\n\n\n\n Flow diagram, mechanically open\n\n\n Rp 1\n\n\n 100\n 90\n 80\n 70\n 60\n 50\n 40\n\n 30\n\n 20\n\n\n\n 10\n 9\n 8\n 7\n 6\n\n\n\n ∆p [mbar]\n 5\n 4\n 3\n Basis + 15 °C, 1013 mbar, trocken\n 2 Based on + 15 °C, 1013 mbar, dry\n Base + 15 °C, 1013 mbar, sec\n Base + 15 °C, 1013 mbar, secco\n 1,0\n\n\n\n 1 2 4 6 8 10 20 40 60 80 100 200 400 600 800 1000 2000 4000\n\n Vn [m3/h] Luft / Air / Aria dv = 1,00\n\n 1 2 4 6 8 10 20 40 60 80 100 200 400 600 800 1000 2000 4000\n\n Vn [m3/h] Erdgas/Natural gas/Gaz Naturel/Gas metano dv = 0,65\n\n\n °\n V = °\n verwendetes Gas/gas used/ gaz utilisé/gas utilizzato\n V Luft/air/air/aria\n x f Gasart Dichte\n Type of gas Density\n Type de gaz Densité dv f\n Tipo di gas Densità\n…