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Ashcroft's Blog

The Ashcroft blog provides helpful information about pressure and temperature instruments. Gain the knowledge you need to keep your business running!

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Bimetal Thermometers | pharmaceutical and biotechnology | thermometer | gas-actuated thermometer | Chemical/Petrochemical | Oil & Gas | Food and Beverage

Gas-actuated thermometers and bimetal thermometers are both commonly used temperature measurement instruments in multiple industries due to their reliability and precision. However, they operate on different principles. No matter what industry you work in, if you require accurate temperature monitoring, understanding these thermometers can enhance both efficiency and safety in your operations. As the temperature product manager at Ashcroft – an industry leader in pressure and temperature instrumentation – I am often asked which of these instruments will be most appropriate for different applications. The answer, of course, depends on several factors. Read this article to compare the mechanics, applications, and advantages of gas-actuated and bimetal thermometers. Links to additional resources will also provide relevant information to help deepen your knowledge of temperature measurement. When you are finished reading, you will be in a better position to select the right instrument for your specific needs.

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water & wastewater | NSF/ANSI-61

If you work in any industry that involves potable water systems, you understand the importance of ensuring the water is safe for consumption. That’s why the Environmental Protection Agency (EPA) requires a third-party guarantee that any components in contact with the water in these systems will not contaminate public water supplies. The National Sanitation Foundation's NSF/ANSI/CAN 61 certification (moving forward referred to as NSF 61) of these types of components satisfies this EPA requirement, so you can be confident when selecting them for your water systems. As part of our Understanding the Basics series, Ashcroft – a leading manufacturer of pressure and temperature instrumentation used in water/wastewater applications – created this article to address the questions we receive from our customers about NSF-61 and the products we offer that meet this certification. Read on to learn more about NSF 61, the benefits of using NSF 61 certified components and the Ashcroft instruments that bear the NSF 61 stamp of approval. Once you have finished reading, you will be well-versed on the topic and confident about choosing NSF 61-approved products for your water applications.

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water & wastewater | flow restrictors | diaphragm seals | liquid filled gauge | instrument assembly | dampening device

If you work in a chemical manufacturing facility, water treatment center or oil/gas refinery, you likely use pump systems to transfer products between different stations. Suction and discharge installations can be particularly problematic environments for the instruments used to monitor the pressure in these systems. If your instruments get damaged, the entire process can break down, so protecting them is a priority. Ashcroft has been a major contributor to water/wastewater pressure and temperature instrumentation for decades, so we understand the challenges of keeping instruments protected in harsh environments. Read this article for our recommendations for keeping your pressure gauges, switches, and sensors working properly, regardless of where they are positioned during pump system installations. Once you have finished reading, you will be equipped to determine the most suitable approach for your needs. Additionally, you will have access to relevant articles and guides to help keep your systems running smoothly.

Blog Feature

Ammonia | pressure gauge | Refrigerant Applications

Ashcroft has written other articles on selecting the best pressure gauges or pressure transducers for ammonia applications (see links at the bottom of this piece). However, we noticed we were still getting questions from people about the ammonia element itself. So, for the industry novice, this article will take a step back to address those specific questions. Ashcroft pressure and temperature instruments are used in virtually every type of industrial application, including ammonia, so it is our job to know how they will perform in every situation. Here we will review a couple of ammonia applications, and what to look for when selecting the best pressure gauge for your specific needs. At the end of the article, you will find additional resources that may interest you.

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water & wastewater | diaphragm seals | instrument assembly | Chemical/Petrochemical | High Pressure

Before you install a piping system for a new plant construction project or an existing plant expansion, it is important to conduct a hydrostatic test on the piping system. This test pressurizes the piping system and may expose instruments such as pressure indicators, switches and transmitters to pressures that exceed their capacity. At Ashcroft – a leading authority in pressure and temperature instrumentation – we are often asked by customers what they can do to prevent their instruments from getting damaged in over-pressure applications. Read this article to learn about 5 common strategies that we recommend to keep your instruments protected during the testing process. When you are done reading, you will be able to decide which approach is best for your specific needs. You will also be given additional resources that address other common questions we receive about keeping systems running safely and efficiently.

Blog Feature

If you work in any industry where you need pressure instrument assemblies mounted on diaphragm seals, fluctuations in ambient temperature can affect the accuracy of your pressure instrumentation, especially in low-pressure systems. To help minimize temperature fluctuations and improve the accuracy of your instrument readings, we recommend keeping the fill fluid volume as low as possible using a low-volume tee fitting in your diaphragm seal assembly. As an industry leader in pressure and temperature instrumentation since 1852, Ashcroft developed a series of Understanding the Basics articles that cover common process industry topics and terms. If you are new to manufacturing or process applications or just want a refresher, this is a great place to start. Read this article to learn the basics of low-volume t-fittings, including what they are, how they work and the benefits of using them as part of your assembly for these types of applications.