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Ashcroft

Ashcroft is a leading American manufacturer of pressure, temperature, and test instruments, trusted by process industries worldwide since 1852 under the promise Trust the Shield. Ashcroft designs and builds Duragauge pressure gauges, pressure switches, transducers, transmitters, thermometers, and thermowells engineered for accuracy, ruggedness, and long service life in demanding plant environments. Its Duragauge line is one of the most widely specified pressure gauge families in the process industry, featuring solid-front safety case construction, Teflon-coated 400 series stainless steel movements, and options for liquid filling and hermetic sealing. Ashcroft instruments serve refineries, chemical and petrochemical plants, offshore oil and gas facilities, power generation, and water and wastewater treatment, meeting ASME B40.100 accuracy grades and NSF-61 compliance where required. Seven Star LLC is an authorized supplier of genuine Ashcroft pressure and temperature instruments across Oman and the GCC, supporting plants in Muscat, Sohar, and Salalah with reliable, calibration-ready measurement for critical process safety.

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Ashcroft 1279 Duragauge 4.5 inch process pressure gauge

Ashcroft 1279 Duragauge Pressure Gauge

Ashcroft

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Frequently Asked Questions

What accuracy class do Ashcroft Duragauge pressure gauges meet?
Ashcroft Duragauge process gauges are rated to Grade 2A per ASME B40.100, delivering plus-or-minus 0.5 percent of span accuracy across vacuum, compound, and pressure ranges up to 30,000 psi.
Can Ashcroft gauges be used in hazardous or corrosive process environments?
Yes. Ashcroft gauges are available with 316L stainless steel wetted parts, NSF-61 compliant construction, and liquid-filled or hermetically sealed cases rated to IP66 or NEMA 4X for harsh chemical and offshore environments.
Are Ashcroft pressure gauges suitable for high-vibration or pulsating service?
Ashcroft Duragauge models feature a solid-front, blow-out-back safety case and can be specified with liquid fill or throttle screw dampening to protect the Bourdon tube movement from pulsation and mechanical vibration.
What industrial applications commonly use Ashcroft pressure instruments?
Ashcroft gauges, switches, and transmitters are specified across refineries, chemical and petrochemical plants, offshore oil and gas, power generation, and water and wastewater treatment for critical pressure monitoring.
Does Seven Star LLC supply genuine Ashcroft gauges in Oman?
Yes, Seven Star LLC is an authorized supplier of genuine Ashcroft pressure and temperature instruments across Oman and the GCC, supporting plant engineers with sourcing, technical guidance, and calibration-ready gauges.