Overview
The Ashcroft 1009 pressure gauge 3-1/2″ is a rugged analog gauge engineered for industrial applications requiring dependable pressure measurement. Model 3QA49314-010 features a steel case with removable bayonet ring for easy adjustment and maintenance. Built to withstand harsh operating conditions, the 1009 Duralife series combines durability with accuracy for process control, equipment monitoring, and system diagnostics across manufacturing, utilities, and HVAC applications.
Key Features
- PowerFlex® movement — Provides superior resistance to shock, vibration, and pulsation, extending product life and reducing maintenance
- Duralife® construction — Robust steel case design engineered to withstand harsh industrial environments
- Removable bayonet ring — Allows quick and easy access for calibration and adjustments without removing the gauge
- High-accuracy measurement — ±1.5% accuracy for liquid-filled models ensures precise pressure reading
- Wide operating temperature range — Rated –30°C to +65°C for use in variable climate conditions
Technical Specifications
- Model Number: 3QA49314-010
- Manufacturer: Ashcroft
- Gauge Type: Analog pressure gauge
- Dial Size: 3-1/2″
- Case Material: Steel
- Accuracy: ±1.5% of span (liquid-filled)
- Operating Temperature Range: –30°C to +65°C
- Movement: PowerFlex® shock-resistant
- Connection Type: NPT male (½ NPT standard)
- Maximum Pressure: 1,000 psi (aluminum/bronze connection)
Typical Applications
- HVAC and refrigeration systems — Monitoring compressor and line pressures
- Process and industrial plants — General pressure monitoring and control loops
- Filtration and flow systems — Filter differential pressure and system pressure tracking
- Water and wastewater treatment — Equipment monitoring and safety verification
- Hydraulic and pneumatic systems — System pressure assessment and troubleshooting
Compatibility & Replacements
Compatible With
- Standard ½ NPT male threaded connections
- ½ NPT (¼ NPT available on special order)
- Any industrial system requiring 0–1,000 psi pressure measurement
- Liquid-filled and dry gauge installation environments
Replaces / Drop-In Replacement For
- Ashcroft 1009 3-1/2″ gauges with equivalent pressure range and connection
- Direct replacement in existing 1009 Duralife installations
Works With
- Standard industrial pressure measurement systems
- HVAC system diagnostics and monitoring
- Process control and automation systems
- Manual pressure verification and equipment calibration workflows
