HONEYWELL
HONEYWELL
HONEYWELL
HONEYWELL
CLASS “A” COMBINATION VALVES
VQ400M-Series
EN2R9081-C
October 2009
4
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
Option
VQ420M
½”
1
VQ420M
¾”
2
VQ425M
1”
VQ440M
1 ¼”
1
VQ440M
1 ½”
2
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
o
VQ420M
o
VQ425M
o
VQ440M
o
VQ450M
Connections
As shown in the figure below, VQ400M is provided
with plugs and flanges giving flexibility to customize
this combination valve with Honeywell accessories.
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
Plugs for connecting:
•
By pass valve
•
Internal or external
pilot valve
•
Vent valve
Flange connection V2
In the bottom plate two
plugs are available for
mounting Closed
Outlet flange
connection
Inlet flange
connection
Flange connection V1
Plug for mounting
pressure tap