Datasheet Content
[{"filename":"mb-dle-405-412-b01_datasheet_en_214762.pdf","text":"GasMultiBloc®\n Combined regulator and\n safety shut-off valves\n Single-stage function\n\n MB-D(LE) 405 - 412 B01\n\n 7.21\n\n\n\n\n Technical description The modular system permits individual\n The DUNGS GasMultiBloc® integrates filter, solutions by using external ignition gas tap\n regulator, valves and pressure switches in in connection with separately controlled\n one compact fitting. valves, by adding a valve proving system,\n mini/maxi pressure switches, pressure\n - Dirt trap: Fine mesh-sieve limiters, limit switch V2.\n - One regulator and two valves: B01\n - Two valves are fast opening Application\n - One valve is fast opening and one valve The modular system permits individual\n is slow opening solutions in gas safety and regulator engi-\n - Solenoid valves up to 360 mbar (36 kPa) neering. Suitable for gases of families 1, 2,\n as per DIN EN 161 Class A Group 2 3 and other neutral gaseous media.\n - Sensitive setting of output pressure by\n proportional regulator as per DIN EN 88 Approvals\n Class A Group 2 EU type testing certificate as per:\n - High flow rates with low pressure drop • EU-Gas Appliances Regulation\n - DC solenoid drive interference degree N • EU-Pressure Equipment Directive\n - Main volume restrictor at valve V2 Approvals in other important gas consum-\n - Hydraulic opening delay ing countries.\n\n\n\n Edition 03.19 • Nr. 214 762\n - Flange connections with pipe threads as\n per ISO 7/1\n - Simple mounting, compact, light-\n weight\n\n\n1…5\n\fSpecifications\n\nNominal diameters MB-…405/407 B01 MB-…410/412 B01\nFlange with pipe threads as per Rp 1/2, 3/4 Rp 3/4, 1, 1 1/4\nISO 7/1 (DIN 2999) and their combinations and their combinations\n\nMax. operating pressure 360 mbar (36 kPa)\n\nOutput pressure ranges MB-… S20/S22 pa: 4 mbar (0.4 kPa) to 20 mbar (2 kPa)\n MB-… S50/S52 pa: 4 mbar (0.4 kPa) to 50 mbar (5 kPa)\n\nMedia Gases of families 1, 2, 3 and other neutral gaseous media\n\nAmbient temperature -15°C to +70°C (Do not operate MB-D below 0°C in liquid gas systems.\n Only suitable for gaseous liquid gas, liquid hydrocarbons destroy sealing ma-\n terials.)\n\nDirt trap Fine mesh-sieve, replacement only possible by dismounting the fitting.\n\nPressure switches Types GW A5, GW A2, NB A2, ÜB A2 mountable as per DIN EN 1854.\n For further information, refer to Datasheet GW A2 No. 215 183 and Datasheet\n GW A5 No. 225 901.\n\nPressure regulator Pressure regulator compensated for residual pressure, leakproof seal when\n switched off by means of valve V1 as per DIN EN 88 Class A.\n Setpoint spring permanently installed (no spring exchange possible). A vent line\n above roof is not required. Internal pulse tap provided.\n\nSolenoid valve V1 Valve as per DIN EN 161 Class A Group 2, fast closing, fast opening\n\nSolenoid valve V2 Valve as per DIN EN 161 Class A Group 2\n\n Valve V2 design\t\t Main volume restrictor\n MB fast closing fast opening without\n MB-D fast closing fast opening with\n MB-DLE fast closing slow opening with\n MB-LE fast closing slow opening without\n\nMeasuring/ignition gas connection For G 1/8 as per DIN ISO 228, refer to Pressure taps on page 4\n\nBurner pressure monitor pBr Connection downstream of valve V2, pressure switch A2 mountable on adapter laterally\n\nVoltage / frequency 50-60 Hz 220-230 V AC - 15% + 10%\n\n\nElectrical connection Plug connection as per DIN EN 175301-803\n for valves and pressure switches\n\nRating/power consumption Refer on page 4\nSwitch-on duration 100%\nDegree of protection IP 54 as per IEC 529 (EN 60529)\nRadio interference Interference degree N\n\nMaterials of gas-conveying parts Housing\t\t\t aluminium die casting\n Diaphragms, seals\t\t NBR basis, Silopren (silicone rubber)\n Solenoid drive\t\t\t steel, brass, aluminium\n\nInstallation position Solenoid vertically upright or lying horizontally as well as its intermediate positions\n\nClosed position signal contact Closed position signal contact, type K01/1 (DIN-tested), mountable on V2\n\n\n\n\n 2…5\n\f Equipment variants\n GasMultiBloc®...B01 405 B01 407 B01 410 B01 412 B01\n Single-stage function\n MB • • • •\n MB-D • • • •\n MB-DLE • • P1 • •\n Mp\n MB-LE • • L1 • •N\n Microfilter with sieve • • • •\nMp P2 Gas pressure switch\nN L2\n downstream of filter • • • •\n downstream of valve V2 on adapter laterally • • • •\n downstream of valve V2 on flange with adapter • • • •\n Pressure regulator • • • •\n Valve V1, double seat • • • •\n Valve V2, single seat • – • –\n Valve V2, double seat – • – •\n Valves controlled together • • • • S 20, S 50\n Valves controlled separately • • • • S 22, S 52\n Flange Rp 1/2 • • – –\n \t\t Rp 3/4 • • • • • = possible\n \t\t Rp 1 – – • • (•) = on request\n \t\t Rp 1 1/4 – – • • - = not possible\n\n MB-...B01 version\n\n V1 = Valve 1\n V2 = Valve 2\n 3 = Dirt trap\n 4 = Pressure switch\n 5 = Regulator\n 3 4 V1 5 V2\n\n\n\n Mounting of VPS 504 valve proving system possible\n\n\n\n Type key of MultiBloc®\n\n\n\n\n 0 = common\n 2 = separated\n\n\n 2 = 4 - 20 mbar up to 360 mbar\n 5 = 4 - 50 mbar up to 360 mbar\n\n\n\n\n 1 = two A valves for main gas + regulator\n 7 = two A valves for main gas, one A valve together\n with V1 as internal bypass around V2 + regulator\n\n\n\n\n 403 = DN 10, V2 = Single-seat valve\n 405 = DN 15, V2 = Single-seat valve\n 407 = DN 20, V2 = Double-seat valve\n 410 = DN 25, V2 = Single-seat valve\n 412 = DN 32, V2 = Double-seat valve\n 415 = DN 40, V2 = Double-seat valve\n 420 = DN 50, V2 = Double-seat valve\n\n\n without = (MB or MB-ZR)\n -D = Main volume restrictor\n -LE = adjustable opening behaviour\n -DLE = D + LE combination\n\n without = single stage\n ZR = double-stage with partial volume setting\n first stage\n\n\n 3…5\n\f Dimensions [mm]\n\n\n\n f\n…
