Description
1259 Process Pressure Gauge
The 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.
Key Features:
- Solid-front case design for safety
Specifications:
- Accuracy: ±0.5% full scale (ASME B40.100 Grade 2A)
- Pressure Ranges: Vacuum to 20,000 psi
- Dial size: 4 1/2″
- Case: PBT – Polybutylene terephthalate (Meets UL 94 V-0)
- Bourdon tube / socket: 316L stainless steel or monel
- Dry and liquid-filled versions
Process Market:
- Refineries
- Chemical and Petrochemical Plants Offshore Oil Rigs
- Water and Wastewater Pressure Control
- Pulp and Paper
- Mining and Metals
Industrial Market:
- Equipment Skids
- Specialized OEM Equipment
SPECIFICATIONS
Accuracy
- ±0.5% of span (ASME B40.100, Grade 2A)
Dial Size
- 4 1⁄2˝
Process Connection
- 1/4 NPT Male, 1/2 NPT Male
Ranges
- Vacuum to 20,000 psi
Case Style
- Solid front with pressure relief back
Movement
- Adjustable
Pointer
- Micrometer adjustable, aluminum
Weather Protection
- Dry Case: Case is not sealed and recommended for weather protected environment only Liquid filled or field fillable and Weatherproof: IP66
Hermetically Sealed
- IP66
Mounting
- Stem, surface, remote
Dampening
- Liquid fill, throttle screw and pulsation dampener
WETTED COMPONENTS
Bourdon Tube
- 316L SS
- K-Monel® 500
Process Connection
- 316L SS
- Monel® 400
Joints
- Welded
NON-WETTED COMPONENTS
Case
- lybutylene terephthalate (Meets UL 94-V-0)
Ring
- lybutylene terephthalate (Meets UL 94-V-0)
Window
- Glass, Safety glass, Acrylic (OPT.)
Pressure Relief Back
- lybutylene terephthalate (Meets UL 94-V-0)
MIN/MAX TEMPERATURE LIMITS
Version Dry
- Ambient: -20°F to 200°F / (-29°C to 93°C)
- Process: -20°F to 250°F / (-29°C to 121°C)
- Storage: -40°F to 250°F / (-40°C to 121°C)
Version Glycerin Fill
- Ambient: 20°F to 150°F / (7°C to 66°C)
- Process: 20°F to 150°F / (7°C to 66°C)
- Storage: 0°F to 150°F / (-18°C to 66°C)
Version Silicone Fill
- Ambient: -40°F to 150°F / (-40°C to 66°C)
- Process: -40°F to 200°F / (-40°C to 93°C)
- Storage: -40°F to 150°F / (-40°C to 66°C)
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