NPT thread how to work？

The hydraulic adapter with NPT thread is a commonly used pipeline connector, mainly used to achieve the transition connection of pipelines. Its characteristics include easy assembly, good sealing performance, high temperature resistance, and strong pressure resistance, making it widely used in various industrial pipelines.

The hydraulic adapter of NPT thread is mainly connected to the pipeline through threaded connection in operation. Its connection method is simple and easy to implement, and it can achieve reliable sealing. During use, the first step is to connect two pipes through NPT threads, and then use a transition joint structure to achieve a smooth transition connection between pipes of different diameters.

The sealing performance of hydraulic adapter is mainly ensured by adapter sealing gaskets, which are generally made of polytetrafluoroethylene (PTFE) and exhibit good high temperature resistance, corrosion resistance, and other properties. After the hydraulic adapter is connected, the sealing gasket can withstand increasing pressure as the tightening force increases, ultimately achieving reliable sealing.

In addition, the hydraulic adapter can also adjust the angle of the pipeline to meet the connection requirements of different occasions. Due to the precise processing and quality control of the transition joint, its size and parameters can be accurately matched to ensure the stability and safety of the connection.

In terms of working principle, the hydraulic adapter of NPT thread is mainly used to achieve the connection between two pipelines through the interlocking of internal and external threads. When two pipes are connected, their threads form a perfect seal, ensuring that fluid does not leak between them.

Its main function is to connect two pipes of different sizes or types, so that the pipeline system has more complete functions and higher efficiency.

In applications, NPT threaded hydraulic adapter also have various advantages. Firstly, they can withstand the impact of high pressure and high temperature, ensuring the safe operation of the pipeline system. Secondly, due to its sealing properties, it can effectively prevent issues such as fluid leakage, bubbles, and vibration.


In addition, the hydraulic adapter of NPT thread also has unique corrosion resistance, which can prevent pipeline leakage caused by fluid corrosion and ensure the long-term operation of the pipeline system.


In summary, NPT threaded hydraulic adapter play a crucial role in pipeline systems. Its efficient connection and sealing characteristics make it a key component for ensuring the normal operation and efficiency of pipeline systems. Therefore, in use, we should choose and use this type of connector correctly to ensure the stability and safety of the system.

The NPT thread adapter application area

1. Pipeline connection

NPT threads are widely used in pipeline connections, such as oil, gas, water, and other pipelines. NPT thread is a conical thread with better sealing performance compared to cylindrical thread, which can effectively prevent liquid leakage.

2. Mechanical manufacturing

NPT threads are also widely used in mechanical manufacturing. For example, it can be used to set cutting edges for cutting metals and other materials. In addition, they can also be used to connect valves to pipelines and other equipment.

3. Automotive industry

NPT threads are also widely used in the automotive industry. For example, it can be used to install connecting rods and other critical components. In addition, they can also be used to install mechanical components such as intake manifolds and exhaust pipes.

4. Construction industry

NPT threads can also be applied in the construction industry. For example, it can be used to install faucets and bathroom facilities.

In summary, NPT threads have a wide range of applications, including pipeline connections, mechanical manufacturing, automotive industry, and construction industry. They play an important role in these fields, improving the safety and reliability of equipment.

Why choose NJ adapter factory 

Ningbo NJdapter is a professional factory that produces various types of hydraulic adapter such SAE BSP, METRIC adapters and fitting, include JIC, NPT, ORFS, DIN thread . with a series of factory advantages. The following will provide a detailed introduction to the factory advantages of Ningbo NJapter.

Firstly, a professional production team: Ningbo NJdapter has a production team composed of professional technicians who are very familiar with various hydraulic adapter and their manufacturing processes. They can strictly control the quality during the production process to ensure the stability and reliability of the products.

Secondly, complete production equipment: In order to produce high-quality hydraulic adapters and fitting, Ningbo NJ adapter Company is equipped with a complete set of high-precision production equipment, including CNC machines, drilling machines, fully automatic machines, etc., to ensure that the products can efficiently complete the production process.

Thirdly, excellent raw materials: Ningbo NJapter uses high-quality raw materials to ensure that every product meets high quality requirements.

Fourth, strict quality audit system: Ningbo NJapter adheres to a strict quality control system, and every production process is subject to strict control. Every link from raw material procurement to production, quality inspection, packaging, etc. is strictly controlled to ensure the high quality and reliability of the products.

Fifth, excellent after-sales service: After the product is sold, Ningbo NJ adapter continues to provide customers with high-quality after-sales service, providing technical support and problem-solving at any time to ensure that customer satisfaction and trust in the product continue to increase.

In summary, Ningbo NJdapter is a professional hydraulic adapter manufacturing factory with many years of production and technical experience, possessing numerous factory advantages. With the support of high-quality and efficient production processes, it can continuously provide customers with high-quality products and services.