Overview
The Ashcroft Duragauge 0-2000 PSI (Model 1279) is a 4.5″ ASME style Process pressure gauge engineered for dependable performance across industrial and process applications. This gauge combines robust construction with precision measurement, making it a preferred choice for refineries, chemical plants, compressors, and water treatment facilities. With a phenolic case offering superior chemical and heat resistance, this gauge is built to withstand harsh operating environments.
Key Features
- Patented Duratube™ construction: Bourdon tube with “Round Cap Tip” design controls stresses and extends gauge life
- Phenolic case: Superior chemical and heat resistance for corrosive environments
- Full temperature compensation: Accurate readings across varying ambient conditions
- 316L stainless steel tube and socket: Enhanced durability and corrosion resistance
- Accurate measurement: ±0.5% of span accuracy ensures reliable readings
- 10-year pressure system warranty: Manufacturer-backed reliability assurance
Technical Specifications
- Pressure Range: 0 to 2000 PSI
- Dial Size: 4.5″ (113 mm)
- Connection Type: ½ NPT male lower mount
- Tube Material: 316L stainless steel
- Case Material: Phenolic (full phenolic case design)
- Accuracy: ±0.5% of span
- Wetted Materials: 316L stainless steel tube and socket
- Pressure Element: Bourdon tube with Round Cap Tip
- Weight: 3.0 lbs
- Certifications: ASME B40.1
- Temperature Compensation: Full range (field adjustable)
Typical Applications
- Refineries and petrochemical processing
- Compressor and turbine monitoring
- Oil and gas production (onshore and offshore)
- Water and wastewater treatment systems
- Power generation facilities
- Mining and metals processing
- Natural gas transmission and LNG systems
- Cryogenic applications
- Waterjet and waterblaster systems
Compatibility & Replacements
Compatible With
- Standard ½ NPT male process connections
- ISO 1218 and ASME B40.1 mounting standards
- Diaphragm seals and isolation rings (refer to manufacturer Min/Max Guide for compatibility)
- Liquid-fill and field-fillable configurations
- NEMA 4X (S&P tube/socket) and NEMA 4 (A&R tube/socket) rated installations
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. The Ashcroft 1279 Duragauge is the primary model for 0-2000 PSI 4.5″ ASME gauges and may replace earlier Ashcroft models with identical NPT connections and pressure range specifications.
Works With
- Direct connection to manifold and compressor outlets
- Pneumatic and hydraulic systems
- Industrial process automation equipment
- Isolation ring and snubber assemblies
- Data logging systems (analog signal integration)
