Brass or Stainless Steel Spring Bourdon Tube for Pressure Gauges

Spring Bourdon Tube, or simply Bourdon tube, is a device that has been used for more than a century to measure pressure in various industries. The tube is named after Eugene Bourdon, a French engineer, who invented it in 1849. It can be found in various applications, including steam boilers, pressure vessels, pipelines, and more. In this article, we will explore the history, working mechanism, and advantages of the Bourdon tube.

The Bourdon tube consists of a thin metal tube that is curved into a circular or spiral shape. It is closed on one end and open on the other. When pressure is applied to the tube, the cross-sectional area on the inside of the tube increases, causing the tube to straighten out or unwind. This straightening or unwinding of the tube is proportional to the pressure applied.

The spring Bourdon tube has a spring attached to the end of the tube. When pressure is applied, the tube straightens out and the spring compresses. The compression of the spring creates a force that is transferred to the pointer or gauge on the other end of the Bourdon tube. The pointer or gauge displays the pressure reading in a calibrated dial.

The Bourdon tube has several advantages. Firstly, it is simple in design and easy to manufacture, making it cost-effective. Secondly, it is reliable and has a high degree of accuracy. Thirdly, it can be used in a wide range of industries and can measure both low and high pressures. Fourthly, it requires minimal maintenance and can withstand harsh environments.

In conclusion, the Bourdon tube is an important device that has been used for over a century to measure pressure. It has a simple design, is reliable, accurate, versatile, and requires minimal maintenance. With these advantages, it is no wonder that the Bourdon tube is still used in various industries today.

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Hongqi Instrument Co., Ltd. was established in 1993 and is a modern technology-based enterprise specializing in the research and development, production, sales, and service of pressure and temperature instruments. Located in "the Taihu Lake Lake Wangxian County" Zhejiang Changxing Economic Development Zone, it has two major production bases, Wenzhou and Changxing. The company covers an area of 50000 square meters and has over 1000 employees. Our products cover the whole country, with 21 offices and hundreds of agents; At the same time, the products are exported to dozens of countries and regions such as Europe, America, the Middle East, and East Asia.
Since its establishment, the company has always adhered to the principle of being the foundation and technological innovation as the driving force for development. There are currently 17 production workshops, 1 mold processing center, 1 provincial-level enterprise technology center, and 1 central laboratory. Strong technical strength and strong technological innovation capability. After more than 30 years of development, it has become a leading enterprise in the national instrument manufacturing industry.

Professional manufacturer
We have over 30 years of production experience in products such as pressure gauges, thermometers, and pressure reducers. We have over 70000 square meters of modern standard factory buildings, 17 workshops, and two central laboratories. There are currently over 1000 employees. Design and produce the core components of pressure gauges: Bourdon tube, movement, connector, case, dial, and related accessories. With strong production capacity and modern production lines, we can meet your different requirements, with a monthly production capacity of over 1.2 million pieces. We have a team of experts including 5 senior engineers and 15 engineers. At present, we have dozens of invention patents, design patents, and utility model patents. A 100000 level clean workshop used for producing food and medical pressure gauges. Our emphasis on product quality and customer service has made us increasingly popular, becoming the preferred supplier in China and around the world.

Strictly inspect for excellent quality
We are the only manufacturer in China that participated in the drafting of the National Pressure Gauge Verification Regulation as an enterprise, the exemplary organization of the China Institute of Metrology, the unit of the National Pressure Gauge Standards Committee, the small giant enterprise specializing in special and new technologies, high-tech enterprises, China's well-known trademarks, and so on. To ensure the reliability, accuracy, and durability of our products, we strictly control every production process. In the process of achieving sustainable development, pay attention to quality management and continuously develop products. The company has obtained IS09 0 01:20 08, S014001:2015, S045001:2018, CE, UL, and KS certifications.

Comprehensive service
Our reputation is built on high quality, quick response to customer needs, and excellence in customer service. Committed to providing customers with completely satisfactory service and helping you choose the most suitable product from a professional perspective. We also provide specially designed pressure gauge accessories to help you maximize the functionality of your pressure gauge. Our accessories are designed to help protect our instruments and further ensure their lifespan. And there is a professional team to accompany at every stage of the project's initial development, production, and delivery. We accept OEM and ODM cooperation to provide you with personalized customized instruments.

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