HONEYWELL
HONEYWELL
HONEYWELL
HONEYWELL
CLASS “A” COMBINATION VALVES
VQ400M-Series
EN2R9081-C
October 2009
3
DESCRIPTION
The VQ400M Series combination valves are
suitable for the control of gaseous fluids in gas
consuming appliances according to international
standards.
The VQ400M Series combination valves meet the
class “A” specification according EN161. The
VQ400M Series combination valves can be ordered
with straight flanged pipe connection from 1/2 " up
to 2". The VQ400M Series combination valves are
standard equipped with two safety valves V1 and
V2. The first valve (V1) is always fast opening. The
second valve (V2) can be either fast or slow
opening.
•
Standard the second valve (V2) is supplied
with throttle screw (fast opening with flow
regulation).
•
Optionally the second valve (V2) can be
ordered with slow opening device (with flow
regulation and adjustable opening).
•
Optionally the second valve (V2) can be
ordered fast open, without any regulation
device.
SPECIFICATION
The specifications described in this chapter are
related to the main gas valves.
Models
Models can be ordered according order
specification numbering which is shown
in Figure .15
For an overview of all known combinations see
surveys:
•
50040300
•
50040301 (Accessories)
The VQ400M series combination valves are
available in two body sizes:
•
Small model
o
VQ420M
o
VQ425M
•
Large model
o
VQ440M
o
VQ450M
All models are connected at suitable sized gas
pipes by flange kits which have to be ordered
separately.
Dimensions
Main dimensions of the models are given at
installation drawings:
Table 1 Overview of installation drawings.
Model
Installation drawing
VQ420M
INST0171
VQ425M
INST0172
VQ440M
INST0169
VQ450M
INST0170
Installation drawings are available in Honeywell
documentation centre “HotDocs” and can be
supplied digitally on request through Honeywell
sales representative.