1259 Pressure Gauge
The Ashcroft® 1259 is an economical 4.5″ ASME style process pressure gauge featuring Stainless Steel or Monel® Wetted materials designed with numerous safety features. The 1259 features a solid front case design, and ranges from vacuum to 20,000psi/(1400 bar).
Key Features:
- Solid-front case design for safety
- PLUS!™ Performance (option)
Applications:
Process Market:
Refineries
Chemical and Petrochemical Plants
Offshore Oil and Gas
Natural Gas Transmission and LNG
Water and Wastewater
Power Generation
Mining and Metals
Industrial Market:
Turbines & Compressors
Cryogenics
Waterjets and Waterblasters
Product Information
Specifications
- Accuracy
- ±0.5% of span (ASME B40.100, Grade 2A)
- Process Connection Size
- 1/2 NPT Male
- 1/4 NPT Male
- Process Connection Location
- Lower
- Pressure Ranges
- Vacuum, Compound, 15 to 20,000 psi
- Weather Protection
- Case is not sealed and recommended for weather protected environment only
- Liquid filled or field fillable and Weatherproof: IP66Hermetically Sealed: IP66 or NEMA 4X
- Mounting
- remote
- Stem, Surface
- Dampening
- Liquid fill, throttle screw, PLUS!™ Performance
- Case Style
- Solid Front
- Window
- Acrylic (OPT.)
- Glass
- Safety Glass
- Movement
- Adjustable
Data Sheets:
Product/Technical Information:
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Resources & Tools
Min/Max Guide
IMPORTANT! When selecting a diaphragm seal or isolation ring, refer to the Min/Max Guide (PI page) for compatibility with this gauge.
Materials Selector
Use the selector to review compatible wetted materials and requirements of your application.
Unit Converter
Need to convert measurement units? Check out our quick and easy tool to convert pressure, temperature and flow units of measure.
Product Information
To learn more about the technical details for options available, review our product information (PI) pages.
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Get a Quote
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Configure Part Number
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Have a Technical or General Question?
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Contact Ashcroft
Ashcroft is a trusted source for pressure, temperature, and test instruments around the world. Learn more about how we can help you protect your people, processes, and profits.

