- Copper alloy or 304 stainless steel wetted parts for high-temperature service
- Large dial design for remote reading in plants and industrial equipment
- Commonly used as a boiler pressure gauge or steam pressure gauge
Low Pressure Gauge, Iron case
Model: PRM
- Responsive after-sales service / Customizable
- High quality / One-year warranty
- Product images are for reference only. Final specifications are based on the confirmed order.
Description
The PRM is a capsule-type low-pressure gauge designed for measuring dry, non-aggressive gases such as air or nitrogen. It offers measuring ranges from 0–300 mmAq to 0–5000 mmAq, including vacuum and compound options. The case is available in iron or chrome-plated finishes, while the wetted parts use copper alloy. A zero-point adjustment mechanism is included to compensate for long-term drift. Available in 2.5″, 3″, and 4″ dial sizes, the gauge features acrylic or glass windows depending on size. The PRM is ideal for low-pressure ventilation systems, combustion air supply, filter monitoring, and general HVAC duct applications.
Product Images
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Specifications
| Connection location | Bottom mount, back mount, center back mount, lower back mount, center back mount with U-clamp, with/without flange |
|---|---|
| Nominal size | 2.5", 3", 4" |
| Scale ranges | 0 … 300 mmAq to 0 … 5000 mmAq, or other equivalent units of pressure, vacuum or compound |
| Accuracy | ASME B40.1 Grade B ±3/2/3% |
| Process connection |
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| Case/Ring |
|
| Window |
|
| Dial | Aluminum alloy, black scale on white |
| Pointer | Black aluminum alloy |
| Movement | Copper alloy |
| Capsule element | Copper alloy |
| Medium temperature | -20°C ... 60°C |
| Pressure limitation |
|
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