Series A-286 Magnehelic
®
Gage Panel Mounting Flange
Specifications - Installation and Operating Instructions
Bulletin P-A-286
DWYER INSTRUMENTS, INC.
Phone: 219/879-8000 www.dwyer-inst.com
The new mounting flange can be used on any Dwyer Instruments, Inc.
gage that possesses a 4-1/2˝ (115 mm) diameter housing. The flange is
secured to the gage behind its bezel with three set screws. The set
screws hold the gage tight in place. The gage/flange can then be
attached to a surface or panel with a drill and the supplied mounting
screws. The flange’s three mounting holes follow the industry standard
mounting pattern. The flange is made of a robust plastic composite and
comes with three pre-installed set screws, an allen wrench for tighten-
ing and three flange mounting screws.
INSTALLATION
Cut out a circular hole using the template on this manual. The diameter
hole size depends on tightness of set screws securing the flange to the
gage. Typically, a sufficient flange tightness will produce a required
diameter cut-out between 5 1/16˝ – 5 1/8˝. See the included template to
locate on your panel this proper size diameter cut-out in relation to the
locations of the three mounting screws.
Next, alternating between the three set screws, use the included allen
wrench to turn each set screw 1/4 to 1/2 turns at a time to ensure an
even tightness so one screw doesn’t cause the flange to bow.
To properly secure flange to gage, 1 to 1.5 full revolutions of each set
screw will be required.
Last, install flange with secured gage to wall or panel using the three
included mounting screws.
11/16
[17.46]
1/2
[12.70]
(3) #6-32 X 3/16 [4.76] OP HOLES
EQUALLY SPACED ON A ø4-1/8 [104.78]
BOLT CIRCLE FOR PANEL MOUNTING
(3) ø11/32 [8.73] X 82˝ COUNTERSINK
ø3/16 [4.76] X THRU ON
A 5-17/32 [140.49]
BOLT CIRCLE FOR PANEL
MOUNTING WITH FLANGE
1/8 FEMALE NPT HIGH
PRESSURE CONNECTION
1-3/4
[44.45]
17/32
[13.49]
ø4-31/64
[113.90]
15/32
[11.91]
1019/32
[40.48]
15/32
[11.91]
ø4-3/4
[120.65]
ø6-9/32
[159.54]
5/8
[15.88]
1/8 FEMALE NPT HIGH
PRESSURE CONNECTION
1/8 FEMALE NPT LOW
PRESSURE CONNECTION
1-1/4
[31.75]
1/8 FEMALE NPT LOW
PRESSURE CONNECTION
(3) #8-32 X 1/4˝ [6.35] LG
SET SCREWS EQUALLY SPACED
SPECIFICATIONS
Flange Materials: Plastic.
Weight: 2.3 oz (65 g).
INCLUDED ACCESSORIES
3 Pre-installed metal set screws
3 Mounting screws
1 Allen wrench
1 Instruction manual with mounting template
P-A-286:D-55 7/16/10 9:58 AM Page 1
DWYER INSTRUMENTS, INC.
Phone: 219/879-8000 www.dwyer-inst.com
©Copyright 2010 Dwyer Instruments, Inc. Printed in U.S.A. 7/10 FR# R1-443783-00 Rev. 2
(3) SURFACE MOUNTING
HOLE LOCATIONS
THRU HOLE FOR
PRESSURE PORTS
OUTSIDE DIAMETER OF FLANGE
(3) FLANGE MOUNTING
HOLE LOCATIONS
MOUNTING HOLE
DIMENSION FOR FLANGE
ø5-1/8 [130.18]
STANDARD MOUNTING
HOLE DIMENSION
FOR MAGNEHELIC GAGE
ø4-9/16 [115.89]
Flange Mounting Template
P-A-286:D-55 7/16/10 9:58 AM Page 2
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Dwyer Model A-286 User manual
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