Stainless steel capillary tube Manufacturers

Stainless steel capillary tubes are widely used in temperature and pressure measurement systems, HVAC equipment, refrigeration, and various industrial processes. These tubes are essential for transmitting pressure or temperature signals from sensors such as thermocouples, thermistors, or pressure gauges to controllers or monitoring systems. The quality of the capillary tube directly affects measurement accuracy, system stability, and equipment longevity.

Drawing on years of experience in temperature and control technology, Jiangsu Zhaolong Electrics Co., Ltd. produces high-quality stainless steel capillary tubes that combine precision, durability, and stable performance. As a regional high-tech enterprise and a production base for temperature sensors and temperature control instruments, the company collaborates with multiple research institutions and academic organizations in Shanghai to develop and manufacture thermocouples, thermal resistances, and temperature control electronics. These products are supplied across domestic and international markets, earning recognition for their practical design, reliable performance, and balanced cost efficiency. Leveraging this expertise, the company ensures that its stainless steel capillary tubes meet the demanding requirements of industrial applications.

1. High-Quality Materials for Accurate Measurement

The materials used in capillary tubes are crucial for performance and signal integrity.

Key features include:

Stainless steel construction

Tubes are made from corrosion-resistant stainless steel, ensuring they withstand high temperatures, moisture, and chemical exposure without degradation.

Precise internal diameter

Manufacturing with strict tolerances ensures consistent signal transmission and minimal pressure or temperature loss.

Smooth surface finish

A polished interior prevents blockages or friction that could affect measurement accuracy, ensuring stable system performance.

2. Durable Design for Long-Term Reliability

Capillary tubes often operate under harsh conditions, including vibration, high pressure, or frequent handling. Jiangsu Zhaolong Electrics designs its tubes for long-term reliability.

Advantages of durable construction:

Mechanical strength

Stainless steel tubes resist bending, crushing, and accidental impact during installation or operation.

Thermal stability

Tubes maintain structural integrity under repeated heating and cooling cycles, ensuring measurement consistency.

Compatibility with fittings and sensors

Tubes are designed to connect securely with thermocouples, pressure gauges, and other control instruments, providing leak-free and stable connections.

3. Practical Applications in Industry

Stainless steel capillary tubes are used wherever precise signal transmission from sensors is required.

Typical applications include:

Industrial temperature and pressure monitoring

Transmit accurate sensor signals to control systems in boilers, compressors, and chemical reactors.

HVAC and refrigeration systems

Maintain consistent system performance by ensuring temperature and pressure readings are accurately conveyed.

Laboratory and testing equipment

Capillary tubes support precise measurement in experiments and quality control processes.

4. Comprehensive Service and Customer Support

Jiangsu Zhaolong Electrics Co., Ltd. provides not only high-quality capillary tubes but also professional services to ensure customers achieve long-term operational reliability.

Company advantages and services include: