Ashcroft SG3
Ashcroft SG3
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The Ashcroft SG3 is a 3.5-inch air/water pressure gauge rated for 300 psi operation, designed specifically for fire protection sprinkler and standpipe systems. The gauge provides reliable pressure indication for monitoring water supply pressure in fire safety equipment installations across commercial, industrial, and residential applications.
Key Features
- 3.5-inch dial face for clear pressure indication
- Dual service: Air or water pressure measurement
- 300 psi pressure rating for fire protection systems
- Designed specifically for sprinkler and standpipe monitoring
- Reliable mechanical operation for continuous service
- Standard gauge mounting for direct system installation
- Professional appearance for visible monitoring locations
Technical Specifications
- Gauge Type: Mechanical pressure gauge
- Dial Size: 3.5 inches
- Pressure Rating: 0–300 psi
- Service: Dual service for air or water pressure
- Connection: Standard gauge port mounting
- Applications: Fire sprinkler systems, standpipe monitoring, water supply pressure indication
- Accuracy: Class B per ASME B40.1 standards
Certifications
- ASME B40.1 compliant pressure gauge
- UL Listed for fire protection system use

