150 psi Pressure Gauges | McMaster-Carr

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	Pipe Size Pipe Size

1/8

1/4

1/2

	Thread Type Thread Type

NPT

NPTF

	Scale Scale

	Connection Location Connection Location

	Bottom		Center Back

	For Use With For Use With

	Measures Measures

Pressure

Temperature

Vacuum

	Maximum Process Temperature Maximum Process Temperature

	Dial Diameter Dial Diameter

	Connection Material Connection Material

	Dial Type Dial Type


Dry	Liquid Filled

	Maximum Environment Temperature Maximum Environment Temperature

	Display Type Display Type

	Dial

	Scale Type Scale Type


Single	Dual

	Case Material Case Material

	Gender Gender

Male

Female

	Lens Material Lens Material

Plastic

Glass

	Accuracy Scale Accuracy Scale

Mid Scale

Full Scale

	Connection Type Connection Type

	Pipe

	Minimum Environment Temperature Minimum Environment Temperature

	Maximum Pressure, psi Maximum Pressure, psi	Show

150 psi

	Maximum Pressure, psi Maximum Pressure, psi	Hide

Warning: Products have one, but not necessarily all, of the selected characteristics.

	Accuracy Grade Accuracy Grade

Not Graded

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant with
Exemptions

RoHS Compliant

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

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17 Products

About Pressure Gauges

About Pipe Size

Bottom Connection

Bottom Connection (Flange Mount)

Bottom Connection

Bottom Connection (Flange Mount)

These gauges can withstand both extremely cold and extremely hot temperatures. Use them with pumps, filters, regulators, and in process lines to measure and display pressure. Mount them with the dial face upright.

Aluminum Case with 316 Stainless Steel Connection—Single Scale (psi)

For Use With: Air, Water, Hydraulic Fluid, Gasoline, Diesel Fuel, and Natural Gas
Accuracy: ±0.5% Mid Scale (Not Graded)

Available Pressure Ranges
Pressure Range, psi	Graduation Marks, psi	Numeric Increments, psi
2 1/2" Dial Diameter
0 to 150	1	15
3 1/2" Dial Diameter
0 to 150	1	15

Bottom Connection

NPT Male
Dial Diameter	Pipe Size	Environment Temp. Range, °F	Process Temp. Range, °F	Mounting Orientation		Each
2 1/2"	1/4	-65° to 400°	-65° to 600°	Upright	0000000	0000000

Bottom Connection (Flange Mount)

					Flange			Bolt
Dial Diameter	Pipe Size	Environment Temp. Range, °F	Process Temp. Range, °F	Mounting Orientation	Location	OD	Mounting Fasteners Included	Circle Dia.	Hole Dia.	No. of Holes		Each
NPT Male
3 1/2"	1/4	-65° to 400°	-65° to 600°	Upright	Back	4 3/4"	No	4 1/4"	7/32"	3	0000000	0000000

304 Stainless Steel Case with 316 Stainless Steel Connection—Single Scale (psi)

For Use With: Air, Water, and Hydraulic Fluid
Accuracy: ±2.5% Mid Scale (Grade A)

Available Pressure Ranges
Pressure Range, psi	Graduation Marks, psi	Numeric Increments, psi
0 to 150	1	10

						Bottom Connection (Flange Mount)
			Process Temp. Range, °F			Flange			Bolt
Dial Diameter	Pipe Size	Environment Temp. Range, °F	Min.	Max.	Mounting Orientation	Location	OD	Mounting Fasteners Included	Circle Dia.	Hole Dia.	No. of Holes		Each
NPT Male
2 1/2"	1/4	-40° to 140°	Not Rated	390°	Upright	Front	3 11/32"	No	2 15/16"	1/8"	3	0000000	0000000

Nylon Plastic Case with 316 Stainless Steel Connection—Single Scale (psi)

For Use With: Air, Water, Hydraulic Fluid, Gasoline, Diesel Fuel, and Natural Gas
Accuracy: ±0.5% Mid Scale (Not Graded)

Available Pressure Ranges
Pressure Range, psi	Graduation Marks, psi	Numeric Increments, psi
0 to 150	1	15

						Bottom Connection (Flange Mount)
						Mounting
Dial Diameter	Pipe Size	Environment Temp. Range, °F	Process Temp. Range, °F	Case Color	Mounting Orientation	Fasteners Included	Hole Dia.	No. of Holes		Each
NPT Male
4 1/2"	1/2	-65° to 400°	-65° to 600°	Yellow	Upright	No	7/32"	3	0000000	0000000

ABS Plastic Case with 316 Stainless Steel Connection—Single Scale (psi)

For Use With: Air, Water, and Hydraulic Fluid
Accuracy: ±0.5% Full Scale (Grade 2A)

Available Pressure Ranges
Pressure Range, psi	Graduation Marks, psi	Numeric Increments, psi
0 to 150	1	10

							Bottom Connection (Flange Mount)
			Process Temp. Range, °F				Flange			Bolt
Dial Diameter	Pipe Size	Environment Temp. Range, °F	Min.	Max.	Mounting Orientation	Case Color	Location	OD	Mounting Fasteners Included	Circle Dia.	Hole Dia.	No. of Holes		Each
NPT Male
4 1/2"	1/4	-40° to 140°	Not Rated	210°	Upright	Black	Front	5 7/8"	No	5 3/8"	1/4"	3	0000000	0000000
NPT Male with Calibration Certificate Traceable to NIST
4 1/2"	1/4	-40° to 140°	Not Rated	210°	Upright	Black	Front	5 7/8"	No	5 3/8"	1/4"	3	0000000	000000

Low-Pressure Gauges for Chemicals

With PVC Guard

With CPVC Guard

With Polypropylene Guard

Bottom Connection (Plastic Guard)

A plastic or stainless steel guard, also known as an isolator, protects the gauge from damage caused by corrosive chemicals. Use them with pumps, filters, regulators, and in process lines to measure and display pressures.

Polypropylene and 316 stainless steel guards are more chemical resistant than PVC and CPVC guards.

For technical drawings and 3-D models, click on a part number.

Painted Steel Case with PVC Plastic Connection—Dual Scale (psi, kg/cm²)

For Use With: Water, Salt Water, Hydraulic Fluid, Bleach, Boric Acid, and Carbon Dioxide
Accuracy: ±2% Mid Scale (Grade B)

Available Pressure Ranges
Pressure Range		Graduation Marks		Numeric Increments
psi	kg/cm²	psi	kg/cm²	psi	kg/cm²
0 to 150	0 to 11.2	2	0.2	20	2

							Bottom Connection
Dial Diameter	Pipe Size	Environment Temp. Range, °F	Process Temp. Range, °F	Case Color	Guard Material	Guard Color		Each
NPT Female
2"	1/4	40° to 140°	40° to 140°	Black	PVC Plastic	Gray	0000000	0000000
2"	1/2	40° to 140°	40° to 140°	Black	PVC Plastic	Gray	0000000	000000

Painted Steel Case with CPVC Plastic Connection—Dual Scale (psi, kg/cm²)

For Use With: Water, Salt Water, Hydraulic Fluid, Bleach, Boric Acid, and Carbon Dioxide
Accuracy: ±2% Mid Scale (Grade B)

Available Pressure Ranges
Pressure Range		Graduation Marks		Numeric Increments
psi	kg/cm²	psi	kg/cm²	psi	kg/cm²
0 to 150	0 to 11.2	2	0.2	20	2

							Bottom Connection
Dial Diameter	Pipe Size	Environment Temp. Range, °F	Process Temp. Range, °F	Case Color	Guard Material	Guard Color		Each
NPT Female
2"	1/4	40° to 190°	40° to 190°	Black	CPVC Plastic	Gray	0000000	0000000
2"	1/2	40° to 190°	40° to 190°	Black	CPVC Plastic	Gray	0000000	000000

Painted Steel Case with Polypropylene Plastic Connection—Dual Scale (psi, kg/cm²)

For Use With: Water, Salt Water, Hydraulic Fluid, Boric Acid, and Carbon Dioxide
Accuracy: ±2% Mid Scale (Grade B)

Available Pressure Ranges
Pressure Range		Graduation Marks		Numeric Increments
psi	kg/cm²	psi	kg/cm²	psi	kg/cm²
0 to 150	0 to 11.2	2	0.2	20	2

							Bottom Connection
Dial Diameter	Pipe Size	Environment Temp. Range, °F	Process Temp. Range, °F	Case Color	Guard Material	Guard Color		Each
NPT Female
2"	1/4	40° to 240°	40° to 240°	Black	Polypropylene Plastic	White	0000000	0000000

Vibration- and Corrosion-Resistant Pressure and Vacuum Gauges

Dual Scale With Center Back Connection

Dual Scale With Center
Back Connection
(Panel Mount)

Bottom Connection

Center Back Connection

Center Back Connection (Panel Mount)

Designed for harsh environments prone to vibration, these gauges pair a corrosion-resistant 304 stainless steel case with a glycerin-filled dial that reduces needle flutter. Also known as compound gauges, they measure both pressure and vacuum. Use them with pumps, filters, regulators, compressors, and in suction and process lines.

For technical drawings and 3-D models, click on a part number.

304 Stainless Steel Case with Brass Connection—Dual Scale (psi/in. of Hg, kPa)

For Use With: Air and Water
Accuracy: ±1% Mid Scale (Grade A); except
4" Dial Dia.: ±1% Full Scale (Grade 1A)

Available Pressure Ranges
Pressure Range		Vacuum Range		Graduation Marks			Numeric Increments
psi	kPa	in. of Hg	kPa	psi	in. of Hg	kPa	psi	in. of Hg	kPa
1 1/2" Dial Diameter
0 to 150	0 to 1,000	30 to 0	-100 to 0	2	5	20	20	30	200
0 to 150	0 to 1,000	30 to 0	-100 to 0	2	7.5	20	30	30	200

Bottom Connection

NPT Male
Dial Diameter	Pipe Size	Environment Temp. Range, °F	Process Temp. Range, °F	Liquid Type		Each
1 1/2"	1/8	35° to 140°	35° to 140°	Glycerin	00000000	000000

Center Back Connection

NPT Male
Dial Diameter	Pipe Size	Environment Temp. Range, °F	Process Temp. Range, °F	Liquid Type		Each
1 1/2"	1/8	35° to 140°	35° to 140°	Glycerin	00000000	000000

Center Back Connection (Panel Mount)

NPT Male
Dial Diameter	Pipe Size	Environment Temp. Range, °F	Process Temp. Range, °F	Liquid Type	For Panel Cutout Dia.		Each
1 1/2"	1/8	35° to 140°	35° to 140°	Glycerin	1 39/64"	00000000	000000

3-in-1 Pressure and Vacuum Gauges

These portable gauges have three different dials to display pressure and vacuum measurements on a low, medium, and high scale. Also known as compound gauges, they measure both pressure and vacuum in hydraulic applications.

For technical drawings and 3-D models, click on a part number.

Steel Case with Steel Connection—Dual Scale (psi, in. of Hg, cm of Hg, kg/cm²)

Bottom Connection

For Use With: Air and Hydraulic Fluid
Accuracy: ±2% Mid Scale (Grade B)

		Left Gauge				Middle Gauge		Right Gauge					Bottom Connection
Dial Diameter	Pipe Size	Pressure Range, psi	Pressure Range, kg/cm²	Vacuum Range, in. of Hg	Vacuum Range, cm of Hg	Pressure Range, psi	Pressure Range, kg/cm²	Pressure Range, psi	Pressure Range, kg/cm²	Environment Temp. Range	Process Temp. Range	Overall Dia.		Each
NPTF Male
2"	1/8	0 to 150	0 to 10	30 to 0	76 to 0	0 to 5,000	0 to 350	0 to 600	0 to 42	-40° to 120°	-40° to 190°	6 7/16"	0000000	0000000

Refrigeration Pressure and Vacuum Gauges

Bottom Connection

Often used with chillers and in refrigeration systems, these gauges display the temperature of ammonia relative to the pressure measurement. Also known as compound gauges, these measure both pressure and vacuum.

For technical drawings and 3-D models, click on a part number.

304 Stainless Steel Case with 316 Stainless Steel Connection—Dual Scale (psi/in. of Hg, Fahrenheit)

For Use With: Air, Ammonia, and Refrigerant
Accuracy: ±1.6% Full Scale (Grade B)

Available Pressure and Vacuum Ranges
		Graduation Marks		Numeric Increments
Pressure Range, psi	Vacuum Range, in. of Hg	psi	in. of Hg	psi	in. of Hg	Display Temp. Range, °F
0 to 150	30 to 0	5	5	20	30	-60° to 84°

				Bottom Connection
Dial Diameter	Pipe Size	Environment Temp. Range, °F	Process Temp. Range, °F		Each
NPT Male
2 1/2"	1/4	-40° to 200°	-40° to 250°	0000000	000000
4"	1/4	-40° to 200°	-40° to 250°	0000000	00000

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About Pressure Gauges

About Pipe Size

Extreme-Temperature Pressure Gauges

Low-Pressure Gauges for Chemicals

Vibration- and Corrosion-Resistant Pressure and Vacuum Gauges

3-in-1 Pressure and Vacuum Gauges

Refrigeration Pressure and Vacuum Gauges