VQ400M-Series
Pipe sizes
For connecting with several pipe sizes it is
recommended to mount Honeywell flange kits
which can be ordered separately as indicated
below.
Table 2 Overview of recommended pipe sizes.
Gas valve
Recommended pipe size
VQ420M
½"
VQ420M
¾"
VQ425M
1"
VQ440M
1 ¼"
VQ440M
1 ½"
VQ450M
2"
Recommended flanges for each model to be
mounted are given in table 3 and table 4.
Capacity
Main body: see capacity curves at Figure .
Maximum operating pressure is 360 mbar for all
models
•
360 mbar
VQ420M
o
VQ425M
o
VQ440M
o
VQ450M
o
HONEYWELL
HONEYWELL
HONEYWELL
HONEYWELL
Option
1
2
1
2
4
CLASS "A" COMBINATION VALVES
Connections
As shown in the figure below, VQ400M is provided
with plugs and flanges giving flexibility to customize
this combination valve with Honeywell accessories.
Inlet flange
connection
Flange connection V1
Plug for mounting
pressure tap
Flange connection V2
In the bottom plate two
plugs are available for
mounting Closed
Figure 3 Interfaces for possible accessories
Torsion and bending stress
Pipe connections meet group 2 according to EN161
requirements.
Supply voltages
VQ400 M series can be ordered for line voltage:
•
230 Vac, 50/60 Hz
•
115 Vac, 50/60 Hz
•
120 Vac, 50/60 Hz
Electrical equipment
AC rectified coils with separated rectifier inside the
cover.
Plugs for mounting:
•
pressure tap
•
Valve proving
system
•
Pressure switches
Outlet flange
connection
Plugs for connecting:
•
By pass valve
•
Internal or external
pilot valve
•
Vent valve
EN2R9081-C
October 2009