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About Pressure Gauges
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Low-Pressure Differential Gauges with Color Indicator
A band of green, yellow, and red provides a clear indication of changes in differential pressure. Gauges are commonly used to indicate clogged filters.
For technical drawings and 3-D models, click on a part number.
Low-Pressure Differential Gauges with Color Indicator
- For Use With: Air, Water, Hydraulic Fluid, Carbon Dioxide, Nitrogen, Hydrogen, Argon, and Acetylene
- Accuracy: ±5% Full Scale (Not Graded)
Pressure Range, psi | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Pipe Size  | Green Band | Yellow Band | Red Band | Max. Pressure, psi | Environment Temp. Range, °F | Process Temp. Range, °F | Ht. | Wd. | Dp. | Case Color | Each | |
NPT Female | ||||||||||||
| 1/4 | 0-2 | 2-2.5 | 2.5-3.5 | 300 | -40° to 200° | -40° to 200° | 3 1/4" | 3 1/4" | 1 1/2" | Black | 0000000 | 0000000 |
Medium-Pressure Differential Gauges
Popular for use with natural gas, these gauges measure pressure differences in pipelines and filters with a maximum pressure of 1,500 psi.
Gauges with 316 stainless steel case are more corrosion resistant than gauges with an aluminum case.
For technical drawings and 3-D models, click on a part number.
Aluminum Case with Aluminum Connection—Single Scale (psi)
- For Use With: Water, Hydraulic Fluid, Gasoline, and Natural Gas
- Accuracy: ±2% Full Scale (Not Graded)
Available Pressure Ranges | ||
|---|---|---|
| Pressure Range, psi | Graduation Marks, psi | Numeric Increments, psi |
| 0 to 2 | 0.1 | 0.5 |
316 Stainless Steel Case with 316 Stainless Steel Connection—Single Scale (psi)
- For Use With: Water, Hydraulic Fluid, Gasoline, and Natural Gas
- Accuracy: ±2% Full Scale (Not Graded)
Available Pressure Ranges | ||
|---|---|---|
| Pressure Range, psi | Graduation Marks, psi | Numeric Increments, psi |
| 0 to 2 | 0.1 | 0.5 |