8 1⁄2 Inch Pressure Gauges

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16 Products

About Pressure Gauges

Find a gauge with the right connection material and dial type—many with traceable calibration certificates.

About Pipe Size

Single Scale With Bottom Connection (Flange Mount)

Bottom Connection (Flange Mount)

Read your pressure from a distance with these large-dial gauges. Use them with pumps, filters, regulators, and in process lines to measure and display pressure. They are suitable for critical processes that require high accuracy, such as hydraulic and laboratory applications. Mount gauges with the dial face upright.

Gauges with aluminum case have better corrosion resistance than gauges with steel case.

Painted Aluminum Case with Brass Connection—Single Scale (psi)

For Use With: Air, Water, and Hydraulic Fluid
Accuracy: ±1% Full Scale (Grade 1A)

Available Pressure Ranges
Pressure Range, psi	Graduation Marks, psi	Numeric Increments, psi
0 to 30	0.5	5
0 to 60	1	10
0 to 100	2	20
0 to 200	2	20
0 to 300	5	50
0 to 400	4	50
0 to 600	10	50

					Mounting		Bolt			Flange		Bottom Connection (Flange Mount)
Dial Diameter	Pipe Size	Environment Temp. Range, °F	Process Temp. Range, °F	Case Color	Orientation	Fasteners Included	Circle Dia.	Hole Dia.	No. of Holes	Location	OD		Each
NPT Male
8 1/2"	1/4	-40° to 150°	-40° to 150°	Black	Upright	No	9 5/8"	13/64"	3	Back	10 1/4"	3705K38	0000000

High-Accuracy Pressure Gauges for Pumps

Bottom Connection (Flange Mount)

Keep tabs on liquid levels in pump and tank applications with these gauges—a dual scale displays pressure in feet of H₂O and psi. They are suitable for critical processes that require high accuracy, such as hydraulic and laboratory applications. Mount them with the face dial upright.

Aluminum Case with Brass Connection—Dual Scale (psi, ft. of H₂O)

For Use With: Air, Water, and Hydraulic Fluid
Accuracy: ±1% Full Scale (Grade 1A)

Available Pressure Ranges
Pressure Range		Graduation Marks		Numeric Increments
psi	ft. of H₂O	psi	ft. of H₂O	psi	ft. of H₂O
8 1/2" Dial Diameter
0 to 15	0 to 35	0.25	0.5	1	5
0 to 30	0 to 70	0.5	1	5	10
0 to 60	0 to 140	1	2	10	20
0 to 100	0 to 230	1	5	10	50
0 to 160	0 to 370	2	5	20	50
0 to 200	0 to 460	2	10	20	100
0 to 300	0 to 690	5	10	50	100

				Mounting		Bolt			Flange		Bottom Connection (Flange Mount)
Dial Diameter	Pipe Size	Environment Temp. Range, °F	Process Temp. Range, °F	Orientation	Fasteners Included	Circle Dia.	Hole Dia.	No. of Holes	Location	OD		Each
NPT Male
8 1/2"	1/4	-40° to 150°	-40° to 150°	Upright	No	9 5/8"	13/64"	3	Back	10 1/4"	3704K28	0000000

About Pipe Size

Large-Dial High-Accuracy Pressure Gauges

High-Accuracy Pressure Gauges for Pumps