Murphy OPLHACS Manual Do Utilizador
OPLH-94122B page 3 of 4
8 in.
(203 mm)
6-25/64 in.
(162 mm)
8 in.
(203 mm)
Rear mounting holes
for surface mounting
3/8-16 UNC-2B
7/8 in. (22 mm)
deep, 4 places.
for surface mounting
3/8-16 UNC-2B
7/8 in. (22 mm)
deep, 4 places.
Removable lid
to access adjustable
contact knobs.
to access adjustable
contact knobs.
6-3/4 in.
(171 mm)
6-3/4 in.
(171 mm)
Mounting Hole
7-35/64 in. (192 mm)
diameter. Not required
for surface mounting.
7-35/64 in. (192 mm)
diameter. Not required
for surface mounting.
1/2 NPT
optional
rear or side
conduit
optional
rear or side
conduit
3/8-16 UNC-2B
7/8 in. (22 mm)
deep, 4 places.
7/8 in. (22 mm)
deep, 4 places.
Process Connection
1/4 NPT Female
1/4 NPT Female
Explosion-proof Enclosure (“EX” Option)
8-7/16 in.
(214 mm)
3-3/8 in.
(86 mm)
7-7/8 in.
(200 mm)
3-15/16 in.
(100 mm)
4-1/32 in.
(102 mm)
Mounting Holes
9/32 in. (7 mm)
diameter 3 places.
Not available on
panel mount
square case.
9/32 in. (7 mm)
diameter 3 places.
Not available on
panel mount
square case.
1/2 NPT
conduit
conduit
Process Connection
1/4 NPT male on
bourdon tube models
and 1/4 NPT female
on bellows models.
1/4 NPT male on
bourdon tube models
and 1/4 NPT female
on bellows models.
Surface
NOTE:
Panel mount
square case models
do not include
mounting flange and
include bolt circle
shown in Panel Mount
Enclosure versions
(see below).
Panel mount
square case models
do not include
mounting flange and
include bolt circle
shown in Panel Mount
Enclosure versions
(see below).
120
120
120
5-7/16 in.
(138 mm)
2-57/64 in.
(73 mm)
Mounting Hole
4-3/4 in. (121 mm)
diameter.
4-3/4 in. (121 mm)
diameter.
Process Connection
1/4 NPT Male.
1/4 NPT Male.
Panel
1/4 in. (6 mm) dia.
holes (3 places.)
on 5-13/64 in.
(132 mm) b.c.
(bolt circle),120
apart, clocking
as shown
holes (3 places.)
on 5-13/64 in.
(132 mm) b.c.
(bolt circle),120
apart, clocking
as shown
Dimensions
Surface / Panel Mount Enclosure (Square Case)
Panel Mount Enclosure
(Round Case)
Typical Applications
Above Ground Tank
Below Ground Tank
SWICHGAGE
®
Flow regulator
(recommended)
(recommended)
Pressure
regulator
regulator
Head
Pressure
Pressure
Air compressor
Tank
Tank
SWICHGAGE
®
Direct Mount
Remote
SWICHGAGE
SWICHGAGE
®
with Sensing Line
Underground
Underground
Direct and Remote Tank
Flow regulator
(recommended)
(recommended)
Pressure
regulator
regulator
SWICHGAGE
®
1 foot
Ground surface
Air compressor
Underground tank
(vented)
(vented)