1259 Process Pressure Gauge
Brand: Ashcroft IncThe Ashcroft® 1259 process pressure gauge is used throughout process and industrial markets, and is known for it's reliability, safety and performance.
Standard features have been engineered to satisfy harsh requirements, while the wide selection of pressure ranges and options make this product an exceptional value.
Features- Solid front safety case
- Accuracy complies with ASME B40.1 grade 2A (±0.5% of span)
- As-welded bourdon tube for safety and longer life
- Micrometer adjustable pointer
- Adjustable movement
- Ranges: vacuum to psi 20,000 (kPa: 137,900, bar: 1,379)
- Date coded socket to ensure pedigree
- Wetted part material printed on dial
- Liquid filled case option (Code L)
Specifications
Brand
Environmental Protection
- IP54
- IP65
Materials of Construction
- Bourdon Tube & Socket: 316L Stainless Steel
- Dial: Aluminum, White Background, Black Scale
- Socket: Monel 400
- Socket: Monel 500
Plug Material
- Fill: Buna
Accuracy
- ± 0.5 % of Span (Grade 2A, ASME B40.100)
Movement
- 300 Series Stainless Steel
Approvals & Certifications
- CRN
- GOST
Ambient Temperature Range
- Dry: -29° to 93° C (-20° to 200° F)
- LF (Glycerin): 7° to 66° C (20° to 150° F)
Pressure Range
- bar: 0 to 1,379
- kPa: 0 to 137,900
- psi: 0 to 20,000
Cover Material
- Back: Polypropylene
NPT Connection
- 1/2” NPT Male
- 1/4” NPT Male
Process Temperature
- Dry: -29° to 121° C (-20° to 250° F)
- LF (Glycerin): 7° to 93° C (20° to 200° F)
Storage Temperature
- Dry: -40° to 121° C (-40° to 250° F)
- LF (Glycerin): -18° to 66° C (0° to 150° F)
Ring Material
- Polypropylene
Fill Material
- Glycerin
Enclosure, Body Material
- Polypropylene
Pressure Type
- Compound Pressure
- Gauge
- Vacuum
Mounting
- Flush Mounted
Window Material
- Acrylic
- Shatterproof Glass
- Standard: Glass
Size
- Dial: 4.5”
Adjustment
- Movement: Rotary Adjustable
- Pointer: Micrometer Adjustable
- Industrial Market: Equipment Skids
- Industrial Market: Specialized OEM Equipment
- Chemical & Petrochemical Plants Offshore Oil Rigs
- Mining & Metals
- Pulp & Paper
- Refineries
- Water & Wastewater Pressure Control
Documentation
Industry Brochures
Installation & Maintenance
Product Information
- Ammonia Applications pdf 294 KB
- Hydrogen Service Material Recommendations pdf 663 KB
- Measuring Pressure on Ammonia Applications pdf 1.1 MB
- Rupture, Proof and Overpressure of Ashcroft Bourdon Tubes pdf 479 KB
- Safety Concerns Using Repaired and Reconditioned Pressure Gauges pdf 665 KB
- Storage and Shelf Life of Gauges pdf 668 KB