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Description; Specification; Models; Dimensions - Honeywell VQ400M Series Product Handbook

Class “a” combination valves
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VQ400M-Series

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)
HONEYWELL
HONEYWELL
HONEYWELL
HONEYWELL
The VQ400M series combination valves are
available in two body sizes:
Small model
o
o
Large model
o
o
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
VQ420M
VQ425M
VQ440M
VQ450M
Installation drawings are available in Honeywell
documentation centre "HotDocs" and can be
supplied digitally on request through Honeywell
sales representative.
3
CLASS "A" COMBINATION VALVES
VQ420M
VQ425M
VQ440M
VQ450M
Installation drawing
INST0171
INST0172
INST0169
INST0170
EN2R9081-C
October 2009

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