DUNGS ZRDLE - Two-stage Safety Solenoid Valves

[{"filename":"zrdle_datasheet_en_214757.pdf","text":"Two-stage\n safety solenoid valves\n 3G-OTH-02896/5\n\n 6.22\n\n\n\n\n Technical description Application\n The DUNGS safety solenoid valve ZR... The solenoid valve is used for securing, limit-\n is a two-stage automatic shut-off valve ing, shutting off and releasing gas supply to\n as per EN 161 for gas burners and gas gas burners and gas appliances.\n appliances. The DUNGS safety solenoid valve ZR...\n - Max. operating pressure up to 360 mbar is suitable for gases of families 1, 2, 3 and\n (36 kPa) other neutral gaseous media.\n - Class A, Group 2 as per EN 161\n - normally closed Approval\n - Fast closing EC type testing certificate as per:\n Printed in Germany • Edition 2024.03 • Nr. 214 757\n\n\n\n\n - Slow opening with adjustable fast stroke • EC-Gas Appliances Regulation\n for start gas volume: 3G-OTH-02896\n - Main and partial volumes adjustable: Approvals in other important gas consum-\n 3G-OTH-02896 ing countries.\n - DC solenoid, rectifier wiring with radio in-\n terference suppression in terminal box\n - Mountable closed position signal con-\n tact to monitor closed position of valve\n - Pipe thread as per ISO 7/1\n - Flange connection as per DIN EN 1092-1\n - Reliable function, rugged and mainte-\n nance-free\n1…6\n\fZRDLE/5 Two-stage solenoid valve, normally when closed, slow opening with adjustable fast stroke, fast clos-\n ing. Main volume adjustable. Partial volume adjustable. Closed position signal contact mountable.\n\nSpecifications\n\n\nNominal diameters\nPipe thread as per ISO 7/1 Rp 3/4 1 1 1/2 2\nFlange Connection flange (PN 16) as per DIN EN 1092-1\n\nMax. operating pressure up to 360 mbar (36 kPa)\n\nSolenoid valve Valve as per EN 161, Class A, Group 2, two-stage mode, EN 1531\n\nClosing time <1s\n\nOpening time approx. 20 s at approx. +20°C and without fast stroke\n\nFast stroke Manually adjustable\n\nMain volume adjustment Manually adjustable\n\nPartial volume adjustment Manually adjustable\n\nMaterials of gas-conveying parts Housing: aluminium, steel, brass\n Seals: NBR basis\n\nVoltage/frequency 50-60 Hz, 230 V AC (+10% -15%); further voltages on request\n\nRating / power consumption Refer to type overview\n\nSwitch-on duration 100%\n\nDegree of protection IP 54, IP 65 on request\n\nElectrical connection At screw terminals via PG* 11 cable gland (* = heavy-gauge conduit thread)\n\nSwitching rate max. 100/h\n\nMeasuring/ignition gas connection G 1/4 ISO 228, on both sides in inlet section,\n additionally G 3/4 on inlet side, from size DN 40 (flange) upwards\n\nDirt trap Sieve installed, mesh width 1 mm\n\nAmbient temperature -15 °C to +60 °C\n\nInstallation position Solenoid from vertically upright to horizontally lying\n\nClosed position signal contact Type K01/1, DIN-tested\n\nValve proving system Type VDK 200 A S02, mountable via G 1/4 test connection, Type VPS 504,\n mountable on housing Rp 3/4 to Rp 2 with adapter\n\nAccessories K01 closed position signal contact, see Datasheet 12.01\t\t 211 202\n\n\n\n\n 2…6\n\f Dimensions [mm]\n\n\n\n\n øa\n\n\n\n\n e\n f\n c\n\n\n\n\n 50\n 80\n b\n\n\n d = largest width\n\n\n Type DN/Rp Pmax. Order Imax. Imax. Opening Dimensions [mm] Weight\n [VA] No. ~(AC) ~(AC) time [kg]\n 230 V 230 V a b c d e f\n\n 3G-OTH-02896 407/5 Rp 3/4 52 153 820 0.10 0.14 20 s 75 100 235 80 260 300 4.0\n 360 mbar\n\n\n\n\n 3G-OTH-02896 410/5 Rp 1 52 153 840 0.10 0.14 20 s 75 110 235 90 265 300 4.2\n 3G-OTH-02896 415/5 Rp 11/2 90 153 860 0.14 0.27 20 s 95 150 295 116 340 410 9.5\n 3G-OTH-02896 420/5 Rp 2 90 153 880 0.14 0.27 20 s 95 170 300 130 345 410 10.4\n\n\n\n\n3…6\n\f Electrical connection\n\n\n\n\n 3G-OTH-02896 sectional drawing\n 1 Housing\n 2 Sieve\n 3 Valve plate\n 4 Closing spring\n 10\n 5 Armature, stage 2\n 8 6 Solenoid, stage 2\n 7 7 Armature, stage 1\n 8 Solenoid, stage 1\n 9 Electrical connection\n Setting\n 10 - Stage 1\n 11 - Stage 2\n 6\n 12 - Fast stroke\n 5 9 13 Hydraulic brake\n 4 11\n 3\n 2\n 1\n\n\n\n p1 p2\n\n\n\n\nFunctional description\nThe DUNGS safety solenoid valve is opening. Fast stroke 12 can be ad- If the auxiliary power is interrupted\nan automatic shut-off valve operated justed. (operating voltage), closing spring 4\nwith auxiliary power. If voltage is applied to the solenoid of closes the valve within 1 second.\nThe electromagnetic drive opens stage 1, armature 7 opens up to the The closed position of the valve can\nagainst the force of the closing spring 4. adjusted partial volume. be monitored by a mountable closed\nThe stroke of armature 7 can be limited If voltage is applied to the solenoid of position signal contact.\nby the setting screw. stage 2, armature 5 opens up to the\nThe hydraulic brake 13 permits slow adjusted main volume.\n\n\n\n\n 4…6\n\f Opening behaviour of ZR.../5\n\n\n °\n V\n Stufe II.\n\n 3G-OTH-02896…/5\n\n\n Stufe I.\n\n\n 3G-OTH-02896…/5\n\n\n\n\n t\n\n Flow velocity\n\n\n\n\n 200\n\n 150\n 125\n 100\n 80\n 65\n\n 50\n 40\n 32\n 30\n 25\n 20\n\n\n\n 10\n 9\n 8\n 7\n 6\n\n\n\n 1 2 4 6 8 10 20 40 60 80 100 200 400 600 800 1000 2000 4000\n\n\n\n\n Gasart Dichte\n °\n V = °\n V x f\n verwendetes Gas/gas used/ gaz utilisé/gas utilizzato Luft/air/air/aria Type of gas Spec. Wgt.\n Type de gaz poids spécifique dv f\n Tipo di gas Peso specifico\n…