DUNGS MB-ZRD(LE) 405-412 B01, Two-stage function

[{"filename":"mb-zrdle-405-412-b01_datasheet_en_214763.pdf","text":"GasMultiBloc®\n Combined regulator and\n safety shut-off valves\n Two-stage function\n\n MB-ZRD(LE) 405 - 412 B01\n\n 7.24\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 - Dirt trap: Fine-mesh sieve mini/maxi pressure switches, pressure limit-\n - One regulator and two main valves: ers, limit switch and closing stroke limiter at\n B01 valve V2, regulator blocking for liquid gas\n - One one-stage valve and one two-stage applications.\n valve\n - One valve is fast opening, one valve is Application\n slow or fast opening The modular system permits individual\n - Solenoid valves up to 360 mbar (36 kPa) solutions in gas safety and regulator engi-\n as per DIN EN 161 Class A Group 2 neering. Suitable for gases of families 1, 2,\n - Sensitive setting of output pressure by 3 and other neutral gaseous media.\n proportional regulator as per DIN EN 88\n Class A Group 2 Approvals\n - High flow rates with low pressure drop EU type testing certificate as per:\n - DC solenoid drive interference degree N • EU-Gas Appliances Regulation\n - Main volume restrictor and partial vol- • EU-Pressure Equipment Directive\n\n\n\n Edition 01.21 • Nr. 214 763\n ume restrictor at valve V2 Approvals in other important gas consum-\n - Hydraulic opening delay ing countries.\n - Flange connections with pipe threads as\n per ISO 7/1\n - Simple mounting, compact, light-weight\n\n1…5\n\fSpecifications\n\nNominal diameters MB-ZR…405/407 B01 MB-ZR…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. Only sui-\n table for gaseous liquid gas, liquid hydrocarbons destroy sealing materials.)\n\nDirt trap Fine-mesh sieve. Replacement only possible by dismounting the fitting.\n\nPressure switches Types GW…A5, ÜB…A2 / NB…A2 to DIN EN 1854 may be attached.\n For further information, refer to Datasheets 5.02 and 5.07 “Pressure Switches\n for DUNGS Multiple Actuators”\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, fast closing\n\n Valve V2 design Partial volume restrictor Main volume restrictor\n MB-ZRD fast opening with with\n MB-ZRDLE slow opening with with\n MB-ZRLE slow opening with without\n\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 posi-\n tions.\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 Two-stage function\n MB-ZRD • • • •\n MB-ZRDLE • • • •\n MB-ZRLE • • • •\n P1 P2 Mp\n Microfilter with sieve • • •L1 L2• N\n Gas pressure switch\n downstream of filter • • • •\n downstream of valve V2 on adapter laterally • • • •\n Pressure regulator • • • •\n Valve V1, double seat • • • •\n Mp P\n N Valve\n L V2, single seat • – • –\n Valve V2, double seat – • – •\n Valves opening together • • • • S 20, S 50\n Valves opening separately • • • • S 22, S 52\n Flange\t\t Rp 1/2 • • – –\n \t\t\t Rp 3/4 • • • • • = possible\n \t\t\t Rp 1 – – • • (•) = on request\n \t\t\t Rp 1 1/4 – – • • - = not possible\n\n\n MB-ZR...B01 version\n 4\n V1 = Valve 1\n V2 = Valve 2\n 3 = Dirt trap 3\n 4 = Pressure switch\n 5 = Regulator\n V1 5 V2\n\n\n\n Mounting of VPS 504 valve proving system possible\n1 Mp P2\n Mounting of K01/1 closed position signal contact possible\n1 N L2\n 2 3 4\n Type key of MultiBloc ® pe pa\n\n\n\n\n 1\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 3 4\n N L pe pa\n Mp P 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 -D = Main volume restrictor\n -LE = adjustable opening…