VAG
PZ
 VAS 1
VAS
pL
DG..C min.


VAG
PZ
3 Valves and butterfly valves
2-31
Accessories: gas pressure switches DG..C for valVario
Gas pressure switches for monitoring the inlet or outlet pressure, can be attached at the
right- or left-hand side, screws and O-rings included, EU certified.
Designation Order no.
DG 17VC1-6W /B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75455241
DG 40VC1-6W /B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75455243
DG 110VC1-6W /B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75455245
DG 300VC1-6W /B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75455246
With gold-plated contacts, for 12-250 V
DG 17VC1-6WG /B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75455247
DG 40VC1-6WG /B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75455249
DG 110VC1-6WG /B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75455251
DG 300VC1-6WG /B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75455252
Attachment of a pressure switch for gas DG..VC . . . . . . . . . . . . . . surcharge
Bypass or pilot gas valves VBY for valVario size 1
Type code
VBY Gas valve
8 Nominal size
I For internal gas pick-up as bypass valve
R For external gas pick-up as pilot gas valve
Q Mains voltage 120 V AC, 50/60 Hz
K Mains voltage 24 V DC
W Mains voltage 230 V AC, 50/60 Hz
6L Electrical connection via plug and socket with LED
-R Attachment side of main valve: to the right
-L Attachment side of main valve: to the left
B Enclosed (separate packing unit)
05 Nozzle: 0.5 mm
D With flow adjustment
Class A gas safety valve to EN 161 for automatic shut-off, closed when de-energized, for
gas and air, pu max. 500 mbar, IP 54, EU certified.
Designation Order no.
Bypass valve for 230 V AC
VBY 8IW6L-RBD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74337977
VBY 8IW6L-LBD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74337983
VBY 8IW6L-RB05 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74338428
VBY 8IW6L-LB05 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74338434
Pilot gas valve for 230 V AC
VBY 8RW6L-RBD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74337978
VBY 8RW6L-LBD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74337984
VBY 8RW6L-RB05 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74338429
VBY 8RW6L-LB05 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74338435
Bypass valve for 120 V AC
VBY 8IQ6L-RBD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74337979
VBY 8IQ6L-LBD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74337985
VBY 8IQ6L-RB05 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74338430
VBY 8IQ6L-LB05 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74338436
Pilot gas valve for 120 V AC
VBY 8RQ6L-RBD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74337980
VBY 8RQ6L-LBD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74337986
VBY 8RQ6L-RB05 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74338431
VBY 8RQ6L-LB05 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74338437
Attachment of bypass or pilot gas valve VBY . . . . . . . . . . . . . . . . . surcharge
DG..VC
VAS + DG..VC
VBY 8
3 Valves and butterfly valves
2-32