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About Pressure Gauges
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About Pipe Size
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Steam Pressure Gauges
Center Back Connection
Center Back Connection
Designed for use with boilers, these gauges have a dual scale that displays pressure in psi and feet of H₂O and displays temperature in °F/°C.
Painted Steel Case with Brass Connection—Dual Scale (psi/ft. of H₂O, Fahrenheit/Celsius)
- For Use With: Steam and Water
- Accuracy: ±2.5% Full Scale (Not Graded)
Available Pressure Ranges | |||||
|---|---|---|---|---|---|
Pressure Range | Graduation Marks | Numeric Increments | |||
| psi | ft. of H₂O | psi | ft. of H₂O | psi | ft. of H₂O |
2 1/2" Dial Dia. | |||||
| 0 to 75 | 0 to 170 | 5 | 10 | 20 | 50 |
Display Temp. Range | Center Back Connection | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dial Diameter | Pipe Size  | °F | °C | Environment Temp. Range, °F | Process Temp. Range, °F | Case Color | Mounting Orientation | Stem Lg. | Shoulder Lg. | Each | |
NPT Male | |||||||||||
| 2 1/2" | 1/4 | 70° to 320° | 20° to 160° | -40° to 140° | 70° to 320° | Black | Any | 1" | __ | 0000000 | 000000 |
| 2 1/2" | 1/4 | 70° to 320° | 20° to 160° | -40° to 140° | 70° to 320° | Black | Any | 1" | 2" | 0000000 | 00000 |
| 2 1/2" | 1/4 | 70° to 320° | 20° to 160° | -40° to 140° | 70° to 320° | Black | Any | 1 1/2" | 2" | 0000000 | 00000 |
Pressure and Vacuum Gauges
Dual Scale With Bottom Connection
Dual Scale With Center Back Connection
Dual Scale With Center
Back Connection
(Panel Mount)
Back Connection
(Panel Mount)
Bottom Connection
Center Back Connection
Center Back Connection (Panel Mount)
Also known as compound gauges, these measure both pressure and vacuum. Use them with pumps, filters, regulators, compressors, and in suction and process lines.
Gauges with steel case are more impact resistant than gauges with ABS plastic case.
For technical drawings and 3-D models, click on a part number.
Steel Case with Brass Connection—Dual Scale (psi/in. of Hg, kPa)
- For Use With: Air
- Accuracy: ±2% Mid Scale (Grade B)
Available Pressure and Vacuum Ranges | |||||||||
|---|---|---|---|---|---|---|---|---|---|
Pressure Range | Vacuum Range | Graduation Marks | Numeric Increments | ||||||
| psi | kPa | in. of Hg | kPa | psi | kPa | in. of Hg | psi | kPa | in. of Hg |
| 0 to 75 | 0 to 500 | 30 to 0 | 0 to -100 | 5 | 20 | 2 | 10 | 100 | 10 |
Bottom Connection | Center Back Connection | Center Back Connection (Panel Mount) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Dial Diameter | Pipe Size | Environment Temp. Range, °F | Process Temp. Range, °F | Each | Each | For Panel Cutout Dia. | Each | |||
NPT Male | ||||||||||
| 2" | 1/4 | -40° to 150° | -40° to 150° | 0000000 | 000000 | 0000000 | 000000 | 2 7/32" | 0000000 | 000000 |
| 2 1/2" | 1/4 | -40° to 150° | -40° to 150° | 0000000 | 00000 | 0000000 | 00000 | 2 3/4" | 0000000 | 00000 |
| 3 1/2" | 1/4 | -40° to 150° | -40° to 150° | 0000000 | 00000 | 0000000 | 00000 | 3 13/16" | 0000000 | 00000 |
| 4 1/2" | 1/4 | -40° to 150° | -40° to 150° | 0000000 | 00000 | 000000 | 00 | __ | 000000 | 00 |