Overview
The Ashcroft 1279 Duragauge is a high-performance process pressure gauge engineered for industrial applications demanding durability and accuracy. This unit features a 4-1/2″ case with lower NPT connector configuration (part 45-1279-RS-04L-15#) and comes standard with a phenolic safety case, making it suitable for refineries, chemical plants, compressor stations, and other process environments.
Key Features
- Teflon-coated 400 series stainless steel movement for smooth, reliable performance
- Phenolic solid front case with pressure relief back design
- ASME B40.100 compliant accuracy and calibration
- Lower process connection (NPT thread)
- 10-year pressure system warranty
- Temperature range up to 250°F (121°C) continuous operation
Technical Specifications
- Gauge Size: 4-1/2″ diameter
- Case Material: Phenolic with safety back
- Movement: Teflon-coated 400 series stainless steel
- Connection: Lower connector NPT
- Operating Temperature: Up to 250°F (121°C) continuous
- Accuracy: ASME B40.100 compliant
- Standard Warranty: 10 years (pressure system)
Typical Applications
- Refineries and petrochemical facilities
- Chemical processing plants
- Gas transmission and LNG systems
- Water and wastewater treatment
- Turbine and compressor monitoring
- Power generation plants
- Cryogenic systems
Compatibility & Replacements
Compatible With
- Standard NPT process connections
- Isolation rings and diaphragm seals (refer to Min/Max Guide for compatibility)
- Pressure limiting valves (PL02)
- Pressure snubbers and dampeners
- Siphon and needle valve accessories
- Liquid-filled or hermetically sealed gauge configurations
Replaces / Drop-In Replacement For
Verify replacement compatibility with your system integrator before ordering. The part number 45-1279-RS-04L-15# specifies a particular pressure range and connection configuration; confirm specifications match your application requirements.
Works With
- Ashcroft pressure relief systems
- Standard industrial pressure measurement accessories
- ASME B40.100 certified calibration services
- Plant-level pressure monitoring and safety systems
