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ASHCROFT

Ashcroft is a manufacturer of pressure and temperature instrumentation with a history dating back to 1852, when Edward Ashcroft founded the company in New York. Over more than 170 years, the brand has developed a broad portfolio that includes pressure gauges, pressure transmitters, differential pressure instruments, temperature sensors such as RTDs and thermocouples, thermowells, and accessory items like diaphragm seals and isolation rings. These products are used across industrial sectors where accurate and repeatable measurement of pressure and temperature is required for process control, safety, and monitoring.

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About ASHCROFT

Ashcroft is a manufacturer of pressure and temperature instrumentation with a history dating back to 1852, when Edward Ashcroft founded the company in New York. Over more than 170 years, the brand has developed a broad portfolio that includes pressure gauges, pressure transmitters, differential pressure instruments, temperature sensors such as RTDs and thermocouples, thermowells, and accessory items like diaphragm seals and isolation rings. These products are used across industrial sectors where accurate and repeatable measurement of pressure and temperature is required for process control, safety, and monitoring.

3G Electric supplies Ashcroft instrumentation to technical buyers worldwide, including plant engineers, maintenance managers, and procurement specialists. The product range available through 3G Electric covers both mechanical and electronic measurement technologies. Mechanical pressure gauges, such as the 1279 series, feature all-stainless-steel wetted parts and cases, vibration resistance, and accuracy of ±0.5% of span. Electronic transmitters include the E2F explosion-proof series with 4-20 mA output and IP66/NEMA 4X ratings, the G1 and G2 series with 4-20 mA or 1-5 V DC outputs and IP67/NEMA 4X protection, and the GXLdp differential pressure transmitter with digital display and ±0.25% of span accuracy. Temperature products include flanged thermowells, such as the 24-inch stem model rated to 275 psi at 100°F and 1,000°F maximum operating temperature, as well as RTDs and thermocouples for direct temperature measurement.

Ashcroft instruments are specified in applications ranging from general industrial pressure monitoring to sanitary processes, differential pressure measurement in clean rooms, and explosion-proof installations in hazardous areas. The transmitters and gauges are available with a variety of process connections, including NPT, SAE, and Tri-Clamp fittings, and with electrical interfaces such as conduit connections, cable leads, and Mini-DIN connectors. Many models carry multiple approvals and compliance markings, including ATEX, CE, CSA, FM, IECEx, RoHS, SIL 3 capable, and UKCA, making them suitable for use in regulated environments. 3G Electric supports the Ashcroft line by maintaining stock of popular configurations and providing application assistance to help buyers select the appropriate range, accuracy, and connection type for their specific measurement point. Whether the requirement is a simple pressure gauge for a pump discharge or a high-accuracy differential transmitter for a filtration system, 3G Electric can supply the Ashcroft instrument and related accessories.

Common Applications

  • Oil and gas — Ashcroft E2F explosion-proof pressure transmitters for hazardous area pressure monitoring on wellheads and pipelines.
  • Chemical processing — Ashcroft 1279 series stainless steel pressure gauges for corrosive fluid pressure indication on reactors and transfer lines.
  • Pharmaceutical — Ashcroft sanitary pressure transmitters with Tri-Clamp fittings for clean-in-place pressure measurement in bioreactors.
  • HVAC and building automation — Ashcroft GXLdp differential pressure transmitters for filter status and room pressure monitoring.
  • Power generation — Ashcroft flanged thermowells with RTDs or thermocouples for temperature measurement in steam and water systems.
  • Food and beverage — Ashcroft G2 series pressure transmitters with SAE connections for pressure monitoring in filling and packaging equipment.

Frequently asked questions

Common questions about ASHCROFT from 3G Electric.

What is the accuracy of Ashcroft 1279 series pressure gauges?

The Ashcroft 1279 series pressure gauges, such as SKU 4TA40, are specified with an accuracy of ±0.5% of span. This series features all-stainless-steel wetted parts and a stainless-steel case, making it suitable for applications where vibration resistance and corrosion resistance are required. The gauge has a 4 1/2 inch white dial with a black pointer and a 1/2 inch NPT male bottom connection. The 1279 series is available in various pressure ranges, including 0-100 psi as shown in the sample product.

What are the key specifications of the Ashcroft E2F explosion-proof pressure transmitter?

The Ashcroft E2F series pressure transmitter, such as SKU 851DC0, is an explosion-proof device with a 4-20 mA output and ±0.50% accuracy. It has a stainless-steel housing rated IP66 and NEMA 4X, and a 1/2 inch NPT conduit connection with wire leads. The transmitter is available with a 100 psi range and features 2x overpressure. It carries multiple approvals including ATEX, CE, CRM, CSA, FM, IECEx, RoHS, SIL 3 capable, and UKCA, making it suitable for hazardous area installations.

What is the difference between Ashcroft G1 and G2 series pressure transmitters?

The Ashcroft G1 and G2 series pressure transmitters differ primarily in their process connections and available pressure ranges. The G1 series, such as SKU 5DEK8, has a 1/4 inch male NPT process connection and is available in ranges up to 3,000 psi. The G2 series, such as SKU 5LTH3 and SKU 5LTD6, uses a 7/16 inch male SAE process connection and is available in ranges such as 0-500 psi and 0-60 psi. Both series offer 4-20 mA or 1-5 V DC outputs, ±0.5% accuracy, and IP67/NEMA 4X rated nylon housings. Electrical connections include cable leads or 4-pin Mini-DIN connectors.

What are the specifications of the Ashcroft flanged thermowell SKU 61VF95?

The Ashcroft flanged thermowell SKU 61VF95 is a stainless-steel thermowell with a 24-inch stem length and a 22-inch insertion length. It is rated for a maximum operating pressure of 275 psi at temperatures below 100°F and a maximum operating temperature of 1,000°F. The thermowell is designed for use with temperature sensors such as RTDs and thermocouples, providing protection and allowing for sensor replacement without process shutdown. The flanged connection facilitates installation and removal. This model is manufactured in Canada, though the country of origin is subject to change.

What is the accuracy and output of the Ashcroft GXLdp differential pressure transmitter?

The Ashcroft GXLdp series differential pressure transmitter, such as SKU 797RN5, offers an accuracy of ±0.25% of span. It provides a 4-20 mA output and features a digital display for local indication. The transmitter has an IP67 rating and a terminal block electrical connection. The GXLdp is designed to measure pressure differences between two points, with a range of 15 psi to 25 psi in the sample configuration. This series is suitable for applications requiring high accuracy differential pressure measurement, such as filter monitoring or flow measurement.

What approvals and certifications are available for Ashcroft pressure transmitters?

Ashcroft pressure transmitters are available with a range of approvals and certifications depending on the model. For example, the E2F series carries ATEX, CE, CRM, CSA, FM, IECEx, RoHS, SIL 3 capable, and UKCA markings. The G1 and G2 series transmitters have IP67 and NEMA 4X ratings, and the E2F series has IP66 and NEMA 4X ratings. These approvals make the transmitters suitable for use in hazardous areas, industrial environments, and applications requiring compliance with European and North American standards. Specific certifications should be verified for each model and configuration.