About Pipe Size
More
About Pressure Gauges
More
Extreme-Temperature Pressure Gauges




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.
- 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 |
Dial Diameter | Pipe Size | Environment Temp. Range, °F | Process Temp. Range, °F | Mounting Orientation | Each | |
NPT Male | ||||||
---|---|---|---|---|---|---|
2 1/2" | 1/4 | -65° to 400° | -65° to 600° | Upright | 0000000 | 0000000 |
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 |
- 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 | 4 | 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 |
- 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 |
- For Use With: Air, Water, and Hydraulic Fluid
- Accuracy: NPT Male Gauges: ±0.5% Full Scale (Grade 2A)
NPT Male Gauges with NIST Certificate: ±0.25% Full Scale (Grade 3A); except 0 to 1,000 psi Pressure Range: ±0.5% Full Scale (Grade 2A)
Available Pressure Ranges | ||
---|---|---|
Pressure Range, psi | Graduation Marks, psi | Numeric Increments, psi |
NPT Male Gauges | ||
0 to 150 | 1 | 10 |
NPT Male Gauges with NIST Certificate | ||
0 to 150 | 0.5 | 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




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.
- 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 |
- 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 |
- 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


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.
- 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 | 0 to -100 | 2 | 7.5 | 20 | 30 | 30 | 200 |
0 to 150 | 0 to 1,000 | 30 to 0 | 0 to -100 | 2 | 5 | 20 | 20 | 30 | 200 |
Dial Diameter | Pipe Size | Environment Temp. Range, °F | Process Temp. Range, °F | Liquid Type | Each | |
NPT Male | ||||||
---|---|---|---|---|---|---|
1 1/2" | 1/8 | 35° to 140° | 35° to 140° | Glycerin | 00000000 | 000000 |
Dial Diameter | Pipe Size | Environment Temp. Range, °F | Process Temp. Range, °F | Liquid Type | Each | |
NPT Male | ||||||
---|---|---|---|---|---|---|
1 1/2" | 1/8 | 35° to 140° | 35° to 140° | Glycerin | 00000000 | 000000 |
Dial Diameter | Pipe Size | Environment Temp. Range, °F | Process Temp. Range, °F | Liquid Type | For Panel Cutout Dia. | Each | |
NPT Male | |||||||
---|---|---|---|---|---|---|---|
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.


- 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


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.
- 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° |
Tire Pressure Gauges with Digital Readout


View pressure readings on an easy-to-read digital display.
Gauges with a quick-connect tip press into the valve stem rather than clamping over it for a faster setup and more accurate readings.
Head Type | Number of Heads | Pressure Range, psi | Numeric Increments, psi | Accuracy | Overall Lg. | Material | Digital Display Type | Batteries Included | Features | Each | ||
B | Angled | 1 | 0-150 | 0.1 | ±2% | 3 3/4" | Plastic | LCD | Yes | Quick-Connect Tip, Built-In Light, Tread Depth Gauge | 00000000 | 000000 |
B | Angled | 1 | 0-150 | 0.1 | ±2% | 3 3/4" | Plastic | LCD | Yes | Quick-Connect Tip, Built-In Light, Tread Depth Gauge, Bleed Valve | 00000000 | 00000 |
C | Angled | 1 | 0-150 | 0.1 | ±2% | 8 3/4" | Chrome-Plated Steel | LED | Yes | Quick-Connect Tip | 00000000 | 00000 |
Tire Inflator Gauges
Mate these gauges to a compressed air line to measure pressure while inflating tires. They are strong enough to stand up to constant use.
Gauges that meet OSHA 29 CFR 1910.177 are designed to safely fill sidewall truck tires. They have a hose long enough to inflate the tires from a safe distance.
Gauges with a clip-on Schrader connection don't require you to hold them while you’re filling up your tire.


Pressure Range | Hose | Air Inlet | Air Outlet | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Head Type | Number of Heads | psi | kPa | Numeric Increments, psi | Lg. | Material | Pipe Size | Thread Type | Thread Size | Thread Type | Schrader Valve Connection Type | Specifications Met | Each | |
Chrome-Plated Zinc | ||||||||||||||
Straight | 1 | 0-150 | 0-1,030 | 0.1 | 5ft. | Rubber | 1/4 | NPT | 0.305"-32 | Schrader | Clip On | OSHA Compliant 29 CFR 1910.177 | 00000000 | 0000000 |
Straight | 1 | 0-150 | 0-1,030 | 0.1 | 10ft. | Rubber | 1/4 | NPT | 0.305"-32 | Schrader | Clip On | OSHA Compliant 29 CFR 1910.177 | 00000000 | 000000 |
Straight | 1 | 0-150 | 0-1,030 | 0.1 | 15ft. | Rubber | 1/4 | NPT | 0.305"-32 | Schrader | Clip On | OSHA Compliant 29 CFR 1910.177 | 00000000 | 000000 |