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Ashcroft thermowells and temperature indicators, including direct-drive, bimetal and Maxivision thermometers, are designed for a wide variety of extreme industrial applications.

To protect thermometers and stems or bulbs from high velocity, pressurised or corrosive media, Ashcroft offers a variety of thermowells.

Available in many styles, sizes and materials, Ashcroft thermowell isolators ensure long instrument life while facilitating easy thermometer change-out.

Ashcroft Duratemp and direct-drive thermometers use the principle of gas expansion to accurately transmit temperature changes through a gas-filled capillary to a remotely located gauge.

Dial sizes from 4.5 through 8.5in provide easy reading over capillary lengths of 80ft and beyond.

Temperature ranges as low as -320F and as high as 1,200F allow these remote indicators to serve in a wide range of extreme applications.

Ashcroft bimetal thermometers are available in dial diameters from 2-5in and in ranges from -80 to 1,000F.

Standard stem lengths range from 2.5 through 24in, with special order stems up to 60in.

Ashcroft Maxivision thermometers provide a fixed rear or bottom stem while the Everyangle design allows the stem angle to be adjusted.

Hermetically sealed for easy wash-down or liquid filled to counter high vibration, Ashcroft stainless-steel bimetal thermometers are suitable for many difficult installations.

Ashcroft Instruments

Over 150 years ago, Edward Ashcroft saw the need for safer, more sophisticated pressure and temperature instruments for use in the emerging steam industry. In response, he introduced a then-revolutionary new Bourdon tube pressure gauge. The rest is history.

Times continue to change and so do the needs of industry. Products manufactured by Ashcroft Inc. have become the benchmark in pressure and temperature measurement and include gauges, thermometers, switches, transducers, transmitters, instrument isolators and diaphragm seals and control and calibration equipment.

Specified around the world for the most demanding requirements, these instruments are widely recognized under the brand names Ashcroft, Heise, Willy, and Weksler. And you can find them in wastewater treatment facilities, biotech and pharmaceutical labs, medical applications, semiconductor facilities, refineries, power generation plants, food processing plants, pulp and paper mills, chemical manufacturing plants and the host of support companies that serve these industries.

Our team consists of experts ready to help resolve even the most difficult applications and technical issues. If you require broader specifications than our standard product line offers, our engineers, technical staff and product marketing specialists can work with you to custom fit the right product to the job. Our customer service representatives are highly trained to answer product application questions, offer competitive product cross-references and work closely with you to help meet your goals.

We maintain an extensive network of field and in-house sales personnel, local representatives and distributors to ensure you receive quick product delivery and service. Along with our “partner” representatives we offer product training and education, facility surveys, calibration services, seal assembly and answers to your application questions.  

Safety is a critical issue, and our instrument audit can improve the safety or your plant. Industry surveys indicate that 20% to 30% of customers’ instruments are misapplied and fail prematurely due to pulsation and vibration, allowing the process media or liquid fill to escape and cause environmental damage or even harm those nearby. Experts from Ashcroft Inc. can help identify areas of concern before they become problems. This important service will help prevent accidents, avoid misapplications and save money and time.  

As the leader in technology and innovation we design new products based on current and emerging market requirements as well as individual customer’s requirements. As the industry leader our “firsts” lead the way with breakthrough new product features and value added benefits for the customer. With our 2005 acquisition by (our longtime sensor partner) Nagano Keiki Company of Japan we now have access to additional engineering expertise and superior, exclusive sensor technology.

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