Pressure Measurement

DWEL Melt Pressure Transducers and Transmitters are designed for accurate melt pressure measurement in extrusion and polymer processes, capable of withstanding temperatures up to 400°C. Manufactured with high-quality materials and alloyed elastic diaphragms, these devices undergo precise processing and calibration for exceptional reliability. Key features include external zero clearance or an optional magnetic auto-zero clearance, ensuring stable performance and minimal shifts in zero and span, even with temperature variations. Known for their high accuracy and stability, DWEL transducers are widely used in plastic extrusion lines, as well as the polymer and fiber industries. They provide an excellent alternative to brands like Dynisco, Gefran, and Graeff.

GPE400 series pressure transmitters use highly reliable silicon piezoresistive pressure sensors as the sensitive core, through temperature compensation, digital circuit correction and signal conditioning, output standard industrial applications and networking signals. Each type of product has been carefully designed, component screening, process verification curing, cyclic loading stress relief, aging, environmental simulation testing and other processes to ensure that each product is stable and reliable.

The GPD500 series pressure transmitters are designed to meet the specific requirements of various industries. They are equipped with highly reliable sensing cores, such as silicon piezoresistive, ceramic capacitive, sapphire, and sputtered film pressure sensors. After temperature compensation, digital circuit correction, and signal conditioning, the transmitters output standard signals suitable for industrial applications and networking. The production process upholds the rigorous standards and precise quality control that the company has maintained for over 20 years. Each product undergoes a comprehensive development process, including careful design, component selection, process validation, cyclic loading, stress relief, aging tests, and environmental simulations, to ensure the stability and reliability of every unit.

DWEL RPT Series Melt Pressure Transmitters are equipped with high-performance digital chips and feature a circuit design that meets SIL2 and PL 'c' safety performance standards. The transmitters are equipped with relay outputs that control the range limits, ensuring the safety of extrusion equipment and production lines. This design helps to prevent equipment damage and reduce the risk of unpredictable safety accidents due to pressure overload. The RPT Series is an excellent alternative to brands like Dynisco, Gefran, and Graeff.

Extruder rupture disks offer a reliable and cost-effective pressure relief solution for extrusion and polymer processing applications. They are also known as rupture pins, rupture disks, burst plugs, or burst disks.

The GPS3051 series intelligent flange-mount pressure transmitter incorporates advanced monocrystalline silicon pressure sensor technology and a patented encapsulation process. It is a high-performance pressure transmitter featuring cutting-edge international technology. With its patented double overload protection diaphragm and internal surge protection circuitry, this product is ideal for measuring liquid, gas, or steam levels, density, pressure, and flow rates. It then converts these measurements into a 4-20mA + HART current signal output.

The GPK Series Pressure Switch is a versatile measurement and control device that combines both pressure sensing and control capabilities. Featuring advanced silicon piezoresistive pressure sensors as its core, the series can also be equipped with other sensor technologies, such as ceramic capacitors, sapphire, and sputtered film sensors, depending on the application requirements. The pressure switch utilizes programmable digital circuits for signal conditioning and correction, outputting standard industrial application signals and switch signals for precise pressure control.

DWEL XPT Series are explosion-proof melt pressure transmitters with 4~20 mA output and HART protocol, specifically designed for use in hazardous environments. Constructed with a full stainless steel welded structure, this series offers both thread and flange installation options. The use of high-performance core components ensures exceptional measurement accuracy and reliability. The XPT Series is widely utilized for melt pressure control in high-precision polymer extrusion equipment, production lines, and laboratory instruments. It serves as an ideal replacement for Dynisco, Gefran, and Graeff.

The GPX700 series flange pressure transmitters are designed with high-reliability core components, such as silicon piezoresistive sensors, ceramic capacitors, sapphire, and sputtering film pressure sensors, selected based on the specific needs of various industries. These transmitters undergo temperature compensation, digital circuit correction, and signal conditioning to provide accurate industrial standard outputs. Each product is rigorously tested through comprehensive design, component selection, process verification, cyclic loading, aging, and environmental simulation to ensure long-term stability and reliability.

The GPD300 series pressure transmitter utilizes a high-performance monocrystalline silicon pressure sensor chip. The sensor’s signal is processed by a specialized module, converting it into a standard output signal. After undergoing extensive aging and stability testing, the product’s performance is highly stable and reliable, making it suitable for harsh outdoor environments. Additionally, it offers on-site display capabilities for pressure, zero point, and full-range adjustments. The GPD300’s installation port can be customized to meet user specifications and is fully compatible with transmitters from other brands. This product is widely used across industries such as industrial process control, petroleum, chemical, and metallurgy.

The GPS2051 series intelligent flange-mount pressure transmitter incorporates advanced monocrystalline silicon pressure sensor technology and a patented encapsulation process. It is a high-performance pressure transmitter featuring cutting-edge international technology.

The GPL100 series is a wireless pressure transmitter designed for field use without the need for single-point wiring. It uses highly reliable silicon piezoresistive pressure sensors as its core components. After temperature compensation, digital circuit correction, and signal conditioning, the transmitter outputs wireless networking signals. Each product undergoes a meticulous process that includes careful design, component selection, process validation and curing, cyclic loading, aging, environmental simulation testing, and more, ensuring the stability and reliability of every unit.