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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 (Grade B)
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
Dial Diameter | Pipe Size | Environment Temp. Range, °F | Process Temp. Range, °F | Each | |
NPT Male | |||||
---|---|---|---|---|---|
2" | 1/4 | -40° to 150° | -40° to 150° | 0000000 | 000000 |
2 1/2" | 1/4 | -40° to 150° | -40° to 150° | 0000000 | 00000 |
3 1/2" | 1/4 | -40° to 150° | -40° to 150° | 0000000 | 00000 |
4 1/2" | 1/4 | -40° to 150° | -40° to 150° | 0000000 | 00000 |
Tire Pressure Gauges with Indicator Bar
A bar slides out of the top of these gauges to display pressure reading.
Stainless steel gauges are more corrosion resistant than steel and brass gauges.
One Angled Head

Gauge
Pressure Range | ||||||||
---|---|---|---|---|---|---|---|---|
psi | kPa | Numeric Increments, psi | Accuracy | Overall Lg. | Indicator Bar Material | Features | Each | |
Stainless Steel | ||||||||
10-75 | 20-500 | 1 | ±2 psi | 5 3/4" | Plastic | Pocket Clip | 00000000 | 00000 |