Murphy OPLHACS Dimensions, Surface / Panel Mount Enclosure Square Case, Above Ground Tank, 138 mm

Dimensions

Surface / Panel Mount Enclosure (Square Case)

4-1/32 in.

(102 mm)

Mounting Holes 9/32 in. (7 mm) diameter 3 places. Not available on panel mount square case.

8-7/16 in.

(214 mm)

3-15/16 in. (100 mm)

7-7/8 in.

(200 mm)

3-3/8 in. (86 mm)

1/2 NPT conduit

NOTE: Panel mount

square case models do not include mounting flange and include bolt circle shown in Panel Mount Enclosure versions (see below).

Process Connection 1/4 NPT male on

bourdon tube models

and 1/4 NPT female Surface on bellows models.

Panel Mount Enclosure

(Round Case)

Explosion-proof Enclosure (“EX” Option)

8 in.	3/8-16 UNC-2B
	7/8 in. (22 mm)
(203 mm)	deep, 4 places.

1/4 in. (6 mm) dia. holes (3 places.)

on 5-13/64 in. 120 (132 mm) b.c.

(bolt circle),120 apart, clocking as shown

Mounting Hole

4-3/4 in. (121 mm) diameter.

5-7/16 in.	2-57/64 in.
(138 mm)	(73 mm)
120
120
Panel
Process Connection
1/4 NPT Male.

6-3/4 in.		6-25/64 in.
(171 mm)		(162 mm)
		1/2 NPT
8 in.		optional
		rear or side
(203 mm)		conduit
6-3/4 in.
(171 mm)
	Removable lid	Rear mounting holes
Mounting Hole		for surface mounting
7-35/64 in. (192 mm)	to access adjustable	3/8-16 UNC-2B
diameter. Not required	contact knobs.	7/8 in. (22 mm)
for surface mounting.	Process Connection	deep, 4 places.

1/4 NPT Female

Above Ground Tank

Tank

SWICHGAGE®

Head

Pressure

Typical Applications

Below Ground Tank

	Flow regulator	Pressure
		regulator
	(recommended)
Pressure	SWICHGAGE®	Air compressor
regulator
Air compressor
	Ground surface

Flow regulator

(recommended)Underground tank (vented)

Direct and Remote Tank

Tank

Direct Mount

SWICHGAGE®

Remote

SWICHGAGE® with Sensing Line Underground

1 foot

OPLH-94122B page 3 of 4