Overview
The PRO-EDGE A-2-3-25 pressure gauge is a 3-1/2″ dial dry gauge engineered for accurate pressure measurement in pneumatic systems, air compressors, and water applications. Rated 0–100 PSI/KPA/BAR with a 1/4 NPT male brass lower mount connection, this gauge delivers dependable performance across a wide range of industrial and DIY applications. The robust brass internals and dual pressure scale ensure long-term durability and easy readability.
Key Features
- 3-1/2″ dial face for clear, easy-to-read pressure indication
- 0–100 PSI / KPA / BAR dual scale for versatile measurement options
- 1/4 NPT male brass lower mount connection ensures secure, leak-free installation
- Dry gauge design suitable for air, pneumatic lines, and non-corrosive liquids
- Brass wetted components for reliable operation and corrosion resistance
- Standard accuracy rating typical for general industrial pressure applications
Technical Specifications
| Dial Size | 3-1/2 inches |
| Pressure Range | 0–100 PSI / 0–7 BAR / 0–700 KPA |
| Connection Type | 1/4″ NPT Male (Lower/Bottom Mount) |
| Connection Material | Brass |
| Case Material | Steel with plastic lens |
| Gauge Type | Dry (non-liquid-filled) |
| Wetted Parts | Brass Bourdon tube and internals |
| Operating Temperature Range | -4°F to 140°F (-20°C to 60°C) |
| Manufacturer | PRO-EDGE INDUSTRIAL PNEUMATICS AND CONTROLS |
| Part Number | A-2-3-25 |
Typical Applications
- Air compressor pressure monitoring and system diagnostics
- Pneumatic tool and equipment pressure verification
- Water pump and well pressure measurement
- HVAC and plumbing system pressure testing
- DIY and professional workshop pneumatic systems
- General low-pressure air and liquid applications in non-corrosive environments
Compatibility & Replacements
Compatible With
- 1/4″ NPT male threaded connections (standard industrial pneumatic ports)
- Air compressors and pressure tanks with 1/4″ NPT outlets
- Pneumatic regulators and pressure switches
- Water pump discharge lines and plumbing systems
- Low-pressure (<100 PSI) air and non-corrosive fluid systems
Replaces / Drop-In Replacement For
The PRO-EDGE A-2-3-25 directly replaces other 3-1/2″ dry gauges with 0–100 PSI rating and 1/4 NPT lower mount connection. Verify compatibility with your specific system integrator before ordering to ensure proper fit and function. Common industry equivalents include standard 3.5-inch 100 PSI gauges from other manufacturers with identical connection specifications.
Works With
- Pneumatic systems and air delivery networks
- Industrial compressor stations and pressure vessels
- Low-pressure hydraulic circuits (non-corrosive fluids only)
- Pressure relief systems and safety monitoring applications
- Standard 1/4″ NPT adapters and bushing fittings for port size conversion
