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Ashcroft's Blog

Welcome to our Blog page. Our mission is to provide you with technical information that will help you better understand our pressure and temperature instruments. These blogs will provide knowledge and information that will help guide you to make the correct selection of instruments for your industries and applications.

Blog Feature

E2G  |  pressure transducer  |  tire  |  tire treatment  |  vulcanization

Exploring the versatility of transducers in hydraulic systems: Vulcanizers

In the process of tire manufacturing, there are several processes and checks that must be made before a finished tire can roll off the assembly line. In a vulcanizer, hydraulic pressure systems are often utilized in the tire curing process. These systems power multiple sections of the vulcanizer from molding the tire to transferring the tire on to the next step after it is cured. As raw tire rubber is molded into a shape that closely resembles its final state, a tire curing press uses the heat generated by steam along with pressure to mold the tire into its final form. Thus it is critical for the safety of the operators that the steam and pressure are evacuated from the curing press of the vulcanizer before it is opened. The Ashcroft E2G general-purpose pressure transducer is ideal for this application and many other applications similar to vulcanization. The reason is that the E2G pressure transducer utilizes Ashcroft’s proven sensor technology to provide a transducer with an accurate and repeatable output in a package that is designed to provide long life and durability — making for a reliable transducer that will assure the operational safety of your system. In the case of this specific application, which comes with its own set of unique challenges, you will need a sensor that meets all the requirements of the application. The E2G general-purpose transducer provides: Proven Ashcroft sensor technology providing a promise of reliability and durability A stable and repeatable output, which is critical for safety and process control. External calibration of the offset and span readings, allowing you to calibrate the sensor for your particular system. The features of the E2G pressure transducer are designed to meet even the toughest requirements such as the elevated temperature which is known to cause extreme offset and span errors. These errors can negatively impact the pressure reading from the transducer leading to inaccurate measurement. The E2G is compensated over a wide temperature range (-40°C to 125°C) which minimizes the effects of temperature and helps to provide a reliable reading. Tire curing is just one of several applications that will benefit from our new E2G transducer. We’ll cover more in this series of blogs, with the next installment coming soon to Ashcroft.com. We have plenty more information available on the E2G and its specifications.  

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Blog Feature

Ammonia  |  Corrosive  |  Product Selection  |  Transducer

New Transducer for Ammonia Refrigerant Applications

Given growing concern about global climate change and ozone layer depletion, ammonia and other natural refrigerants are an attractive choice to replace potent greenhouse gases in refrigeration and cooling systems. However, ammonia’s high corrosiveness and toxicity present significant challenges for system designers and engineers. Even the smallest leaks can endanger workers or a facility. This is why customers need a reliable and accurate pressure transducers to play a critical role in maintaining system integrity. Ammonia is often incompatible with the wetted materials most frequently used in fluid vessels and tubing, especially copper or copper alloys like brass and bronze. Therefore, systems designed to handle ammonia require every wetted component to be constructed with suitable materials, such as stainless steel. Failure to do so will likely result in component failure and a containment breach, allowing poisonous ammonia to escape into the surrounding environment. Ashcroft’s new E2G transducer has been designed for challenging applications such as ammonia. Made with all-welded 316L stainless steel, which is resistant to ammonia’s corrosive properties, making the E2G fully compatible with ammonia-based systems. It’s the perfect complement to Ashcroft’s pressure gauges for ammonia refrigerant. The E2G is available in absolute, gauge and vacuum-based pressure ranges. The E2G has been designed for maximum reliability through extensive testing and it is 100% leak tested to guarantee its integrity in your application. Every Ashcroft transducer is custom made to meet your application requirements. Contact us to help specify the best configuration for your application.

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Insider

MEMS Transducer Sensor Technology

Because of the dynamic and ever-changing nature of our customers’ needs, what we know as “The Ashcroft Way” is critically important to our operation and our process. While many of our products and technologies are born from proactive research and trying to get out in front of future problems, a lot of our work is reactive and comes from listening – our customers have problems, and they need instruments to help solve them.

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Product Selection

SIL Capable Switches

With more automated and integrated systems, there is a growing need to ensure system safety. The goal is to limit the risk to humans who use these systems.  Which means it’s time to talk about SIL. What is SIL? Safety Integrity Level, or SIL, defines the probability of failure in a given system. Some systems can fail without severe consequences while others have zero tolerance for failure. The concept was created by the International Electrotechnical Commission (IEC) to standardize the testing and certification of electrical, electronic or programmable electronic safety-related systems.The SIL rating required for a plant's systems or processes depends on its initial risk assessment.

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Product Selection

The New KD41 Pressure Transducer

With the lowed cost of sensing technology and improved standardized protocols, the benefit of interfacing sensors with digital communication is finally being realized.  Standardized protocols such as CANbus allow for direct communication between sensors and electronic control units (ECU). These protocols can help improve overall system efficiency and speed by reducing I/O uncertainties, simplify wiring and help to prioritize signals. They also help to define failure mode signals and error checks.

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Product Selection

T6500 Pressure Gauge with Over-pressure protection

Welcome to the Ashcroft blog!  We’ve got an important topic to discuss with you today: the overpressure protection option available on our T6500 XRA pressure gauge. Why is this option so important? Because it shields the instrument against overpressure buildup in the system – and can withstand overpressure up to four times the measurement portion of the range. These gauges, also known as retard gauges, are excellent fits for process and industrial applications – particularly those where pressure spikes or overpressure beyond measurement portion of the pressure ranges can occur. An example is the opening or closing of a valve. Pipeline overpressure, faulty regulators, process components (compressor, reciprocating pumps) and other factors can also contribute to this.

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