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コントロールユニット Armstrong GP-2000のPDF インストレーション、オペレーション、メンテナンスマニュアルをオンラインで閲覧またはダウンロードできます。Armstrong GP-2000 8 ページ。 Pressure reducing valves
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The external tubing for our GP-2000 and OB-2000 series
has been modified to enhance the performance of these
models. The following explains the difference between the
old and new tubing assembly. It is important to have these
fittings in the correct location in order to get optimum
performance from these valves. It is very important that the
old and new tubing assemblies are not mixed. The
location of all fittings is critical and should not vary from
the assembly instructions.
Note: Fittings and tee are to be located in similar positions
for all GP-2000 models.
New Type Tubing
Fitting 'A'
Groove
(has to be on top)
Fitting 'B'
Orifice
(Reduced Port)
New Type
General Characteristics
Groove has to be on top.
Tee has two reduced and one full port.
Fitting A&B and Elbow have no restriction.
Fitting A&B are the same parts.
New Tubing Set-Up
Tee
Elbow
New Type Tubing
Figure 6-1
L
ØA
Check Mark
Fitting 'B'
Orifice
(Reduced Port)
Old Type
General Characteristics
Tee is reversible.
Tee has no restricted orifice.
Fitting B and Elbow have restrictions.
6
D
H
H1
1/4" NPT
Old Type Tubing
Fitting 'A'
Tee
Elbow
1/4" NPT