Honeywell VQ400M Series, Product Handbook, Page: 1 / 17

HONEYWELL HONEYWELL HONEYWELL HONEYWELL
CLASS “A” COMBINATION VALVES
VQ400M-Series
EN2R9081-C
October 2009
1
VQ400M SERIES
CLASS “A” COMBINATION VALVES
PRODUCT HANDBOOK
APPLICATION
Figure 1 VQ420M & VQ425M
Figure 2 VQ440M & VQ450M
The VQ400M Series class “A” safety combination
valves are used for control and regulation of
gaseous fluids in gas power burners, atmospheric
gas boilers, melting furnaces, incinerators and
other gas consuming appliances.
The VQ400M offers flexibility to mount accessories
like valve-position indicator, pressure indication
switches, vent-valves or by-pass valves at several
positions at the gas valve, whenever, wherever.
These combination valves are available in two body
sizes:
•
Small model
o
VQ420
o
VQ425
•
Large model
o
VQ440
o
VQ450
All models are connected at suitable sized gas
pipes by flange kits which can be ordered
separately in several sizes.