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Gefran upgrades its series of Melt pressure sensors for polymers

11 de Junho de 2020

Gefran upgraded its range of Melt transducers and pressure transmitters for high temperatures, designed to meet the highest safety standards, while fully respecting the environment.

There are two main manufacturing technologies at the base of the Melt sensors by Gefran: these can be either fluid-free, following a silicon piezoresistive operating principle (IMPACT – I Series sensors), or work by means of filling fluids through a strain gauge system (K, W, M Series). These sensors, available in 4 designs - rigid stem, flexible stem, flexible with thermocouple, and exposed tip, - guarantee a precise installation whenever it is necessary to measure the pressure and possibly the temperature of the fluid, both in traditional extrusion systems and in potentially explosive areas.

In this scenario, Gefran was the first Company to design a sensor with ATEX, SIL2 & PLd, certifications, as well as a HART digital communication protocol, dedicated mechanical flanges, and a fluid-free transmission system. This is the HIX Series (HART - IMPACT - ATEX), designed for use in potentially explosive environments and with the typical advantages of the IMPACT sensors by Gefran.

Edoardo Zilioli, Product Marketing Manager – Sensors at Gefran stated: “This is an extremely high-performing range developed by our R&D Team, that introduced the innovative GTP+ coating: a guarantee of greater hardness, considerable resistance to high temperatures and a low coefficient of friction, bringing to an increased durability for all sensors”. He then concluded: “Melt sensors are fundamental to prevent an uncontrolled increase in machine pressure during extrusion processes. They contribute to the reliability and repeatability of processes thanks to the ability to stabilise and optimise the flow rate, hence creating products of superior quality”.

Click here and read the press release.

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