ASHCROFT 1279 Duragauge Pressure Gauge

The ASHCROFT 1279 Duragauge Pressure Gauge delivers dependable pressure measurement for demanding industrial applications. It combines safety, performance, and material integrity in a 4½-inch phenolic case design. This makes it a strong fit for refineries, chemical plants, offshore installations, water and wastewater systems, equipment skids, and OEM equipment.

The Ashcroft Duragauge pressure gauge offers ranges from vacuum and compound ranges up to 30,000 psi. It also supports multiple wetted material options, connection locations, damping choices, and mounting styles. As a result, users can match the gauge to the process, installation, and environmental needs of the application.

Westech Industrial supplies the ASHCROFT 1279 Duragauge Pressure Gauge in Alberta and Saskatchewan. Our team can also help select the right pressure range, wetted materials, mounting style, accessories, and diaphragm seal assemblies. In addition, Westech’s service capabilities and custom fabrication team can support gauge integration into panels, skids, sample systems, analyzer packages, and other industrial assemblies.

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Description

Built for Dependable Industrial Pressure Measurement

The ASHCROFT 1279 Duragauge Pressure Gauge gives operators a reliable way to monitor process pressure in tough industrial environments. Its 4½-inch dial size helps improve visibility, while its solid-front case with pressure relief back supports safer operation. The phenolic case also helps protect the gauge in many industrial settings. Because many pressure applications involve harsh processes, vibration, or changing conditions, this gauge offers several configuration paths. Users can select the materials, connections, range, damping, and mounting style that best suit the installation.

Wide Pressure Range Selection

The Ashcroft Duragauge pressure gauge supports vacuum, compound, and positive pressure ranges up to 30,000 psi. This range flexibility helps facilities standardize on one gauge platform across many applications. However, the maximum pressure depends on the selected system material. Bronze tube and brass process connection options support pressures up to 1,000 psi. Stainless steel system options support pressures up to 20,000 psi. K-Monel® and Monel® configurations support pressures up to 30,000 psi.

Wetted Material Options for Process Compatibility

Ashcroft offers several wetted component configurations for the 1279 Duragauge. Options include 316L stainless steel, steel, K-Monel® 500, Monel® 400, C510 phosphor bronze, and brass. Welded joints support several system material combinations, while the bronze and brass configuration uses silver-brazed joints. These options help users match the gauge to process media, pressure level, and corrosion considerations.

Damping Choices for Vibration, Shock, and Pulsation

Pressure gauges often operate near pumps, compressors, process equipment, and systems with changing pressure conditions. In these applications, vibration, shock, and pulsation can make readings harder to interpret. The ASHCROFT 1279 Duragauge Pressure Gauge offers several dampening options to help improve readability and support reliable pressure monitoring. Available dampening choices include glycerin fill, silicone fill, Halocarbon® fill, and PLUS!™ Performance. The PLUS!™ Performance option helps dampen the effects of vibration, shock, and pulsation. In addition, throttle screws are available in brass, stainless steel, and Monel® materials. If no orifice size is specified, a 0.020-inch throttle screw is supplied.

These options give users more flexibility when selecting a gauge for demanding process conditions. As a result, facilities can better match the gauge configuration to the pressure range, process media, operating environment, and installation requirements. Westech Industrial can help review the application and recommend the right dampening option for the ASHCROFT 1279.

Flexible Connections, Mounting, and Visibility Options

The ASHCROFT 1279 Duragauge Pressure Gauge supports lower, back, side, and top process connection locations. Process connection options include ¼ NPT, ½ NPT, and a 9/16-18 UNF-2B Aminco® high-pressure connection. Mounting options include stem, surface, flush, pipe, and remote mounting. Window options include standard glass, acrylic, shatterproof glass, and non-glare glass. Operators can also choose custom dial printing, a micrometer-adjustable pointer, set hands, special dials, and tagging options.

Approvals and Application Confidence

The ASHCROFT 1279 Duragauge Pressure Gauge carries CE, CRN, and NSF-61 approvals. It also offers NSF-61 compliant 316 stainless steel configurations for appropriate applications. With corrosion-resistant material choices, pressure relief design, and accessory compatibility, this gauge works well in many industrial pressure measurement roles. Westech can help confirm the right model configuration before ordering.

Applications

The ASHCROFT 1279 Duragauge Pressure Gauge suits a broad range of pressure measurement applications. It works especially well where users need durable construction, multiple material choices, and flexible installation options.

  • Refineries
  • Chemical and petrochemical plants
  • Offshore oil rigs
  • Water and wastewater pressure control
  • Pulp and water processes
  • Mining and metals
  • Equipment skids
  • Specialized OEM equipment
  • Cryogenic applications
  • Industrial panels and packaged systems

Documents

Ashcroft_1279 Duragauge_Spec sheet_June2026_Westech.pdf

 

Manufacturer info

A world where our customer’s people, processes and profits are never at risk because of the reliability of Ashcroft’s products and services

http://ashcroft.com/

SPECS

Product:
ASHCROFT 1279 Duragauge Pressure Gauge.
Dial Size:
4½ inches.
Accuracy:
±0.5% of span, ASME B40.100 Grade 2A.
Pressure Range:
Vacuum and compound ranges to 30,000 psi.
Case Style:
Solid front with pressure relief back.
Case Material:
Phenolic.
Ring Material:
Threaded polycarbonate, meets UL 94 V-0.
Pressure Relief Back:
Polycarbonate, meets UL 94 V-0.
Process Connection Locations:
Lower, back, side, and top.
Process Connections:
¼ NPT, ½ NPT, and ⁹⁄₁₆-18 UNF-2B Aminco® high-pressure connection.
Additional Connection Options:
AND 10050-4 (¼ tubing connection) and SAE ⁷⁄₁₆ & 20 straight thread.
Window Options:
Standard glass, acrylic, shatterproof glass, and non-glare glass.
Movement:
Rotary, adjustable, 400 stainless steel, Teflon™ coated.
Movement Materials:
400 stainless steel, Teflon™ coated pinion gear and segment.
Dial:
Aluminum with white background and black scale.
Pointer:
Micrometer-adjustable aluminum pointer.
Dampening Options:
Glycerin fill, silicone fill, Halocarbon® fill, and PLUS!™ Performance.
Case Design Options:
Dry solid front, dry hermetically sealed solid front, and liquid-filled solid front.
Weather Protection Options:
Dry case for weather-protected environments only, dry field-fillable IP66, and liquid-filled IP66.
Mounting Options:
Stem, surface, flush, pipe, and remote mounting.
Wetted Component Options:
316L stainless steel, steel, K-Monel® 500, Monel® 400, C510 phosphor bronze, and brass.
Joint Options:
Welded or silver brazed, depending on material configuration.
Dry Temperature Limits:
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).
PLUS!™ Temperature Limits:
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).
Glycerin Fill Temperature Limits:
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).
Silicone Fill Temperature Limits:
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).
Halocarbon® Fill Temperature Limits:
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).
Approvals:
CE, CRN, and NSF-61.
Availability:
Alberta and Saskatchewan.

PRODUCT FAQ's

What is the ASHCROFT 1279 Duragauge Pressure Gauge used for?
The ASHCROFT 1279 Duragauge Pressure Gauge measures pressure in industrial applications. Common uses include refineries, chemical plants, offshore installations, water and wastewater systems, mining, equipment skids, and OEM packages.
What pressure ranges does the Ashcroft Duragauge pressure gauge support?
The gauge supports vacuum, compound, and positive pressure ranges up to 30,000 psi. The maximum pressure depends on the selected system material and process connection.
Can the ASHCROFT 1279 handle vibration or pulsation?
Yes. The gauge offers glycerin, silicone, and Halocarbon® fill options. It also offers PLUS!™ Performance damping for vibration, shock, and pulsation effects.
What materials are available for wetted components?
Wetted component options include 316L stainless steel, steel, K-Monel® 500, Monel® 400, C510 phosphor bronze, and brass. Westech can help match the material configuration to the process.
Can Westech help with gauge selection and installation support?
Yes. Westech Industrial can help customers select the right pressure range, wetted materials, connection style, damping option, and mounting configuration. Our service team can also support application questions and replacement needs.
Can Westech integrate this gauge into custom fabricated systems?
Yes. Westech’s custom fabrication capabilities can support gauge integration into panels, skids, sample systems, analyzer packages, and other industrial assemblies. This helps customers source both the instrument and the supporting package through one team.
Can the ASHCROFT 1279 work with diaphragm seals or isolation rings?
Yes. The gauge can pair with a wide range of accessory and diaphragm seal assemblies. Westech can help review compatibility for process media, temperature, pressure, and installation requirements.
Is the ASHCROFT 1279 Duragauge Pressure Gauge available from Westech Industrial?
Yes. The ASHCROFT 1279 Duragauge Pressure Gauge is available at Westech Industrial in Alberta and Saskatchewan.