VAD, VAG (GB) - System Control Engineering

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Selection VAD: Governor with solenoid valve / VAG: Air/gas ratio control with solenoid valve – 15 20 25 32 40 50 /–* /15 /20 /25 /32 /40 /50 R /N K Q W -25 -50 -100 A B K E VAD 1 VAD 2 VAD 3 VAG 1 VAG 2 VAG 3 Inlet flange nominal size – = no inlet flange Outlet flange nominal size /– = no outlet flange* Specification may be omitted if outlet = inlet Rp internal thread = R Quick opening, quick closing = /N Mains voltage: 24 V DC = K 120 V AC; 50/60 Hz = Q 230 V AC; 50/60 Hz = W Max. outlet pressure p G max. for VAD: 2.5 to 25 mbar = -25 5.0 to 50 mbar = -50 10 to 100 mbar = -100 Standard valve seat = A Reduced valve seat = B Connection kit VAG for air control pressure p L : 1 plastic hose coupling, 2 screw plugs = K 1 compression fitting, 2 test points p G and p L = E Accessories attached at the right-hand side: 2 screw plugs 2 test points p e and p G Gas pressure switch DG..C (see table) at the inlet Gas pressure switch DG..C (see table) at the outlet Bypass valve VAS 1 Accessories attached at the left-hand side: 2 screw plugs 2 test points p e and p G Gas pressure switch DG..C (see table) at the inlet Gas pressure switch DG..C (see table) at the outlet Bypass valve VAS 1 * Bei einer Bestellung muss angeben werden, an welchen Ausgangsflansch der Druckregler angebaut wird. GB GB GB GB Order example VAD, VAG · Edition 3.04 VAG 125R/NWAK, 2 screw plugs attached at the right-hand side 2 test points attached at the left-hand side = standard = available 16
Selection Pressure switch for gas DG..C Type Adjusting range [mbar] DG 17/VC 2 – 17 DG 40/VC 5 – 40 DG 110/VC 30 – 110 DG 300/VC 100 – 300 VAD, VAG · Edition 3.04 17
Page 1 and 2: Governor with solenoid valve VAD Ai
Page 3 and 4: VAD Application Governor VAD and ai
Page 5 and 6: Application Application examples DG
Page 7 and 8: Application Application examples
Page 9 and 10: Function The governor is closed whe
Page 11 and 12: Function VAD, VAG connection diagra
Page 13 and 14: Replacement possibility for MODULIN
Page 15: ∆p [mbar] 1 2 3 500 400 300 200 1
Page 19 and 20: Project planning information Instal
Page 21 and 22: Technical data Types of gas: Natura
Page 23 and 24: Maintenance cycles Once per year, t

VAD, VAG (GB) - System Control Engineering

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