Hello, welcome to the official website of Yancheng Tongda Valve Co., Ltd.!
Online message |Sitemap |Chinese-
2018-07-19 What are the specific categories in the valve material?
The choice of the lap material should be determined by the material and properties of the valve abrasive. The lap material should have: fine and uniform microstructure, good sand-embedding performance,... [See details]
Views : 150 -
2018-07-19 How to control the insulation performance and sealing perfor
The main seat seal material of the ball valve is polytetrafluoroethylene (PTFE), which is inert to almost all chemicals, and has a small friction coefficient, stable performance, not easy to age, wide ... [See details]
Views : 206 -
2018-07-19 Do you know the correct installation method of forged steel
In daily life, forged steel ball valves are widely used, and the market consumption is relatively large. Therefore, proper warranty maintenance can not only reduce maintenance time, but also improve wo... [See details]
Views : 139 -
2018-07-19 Learn how the manual valve is opened correctly
Manual valves are a type of valve commonly used on equipment and devices that are operated by handles and handwheels. Under normal circumstances, the handle and the handwheel are rotated in the directi... [See details]
Views : 105 -
2018-07-19 How much pressure can the high pressure ball valve withstand
The ball valve body may be integral or combined. The main features of the high-pressure ball valve are its compact structure, reliable sealing, simple structure and convenient maintenance. The sealing ... [See details]
Views : 135 -
2018-07-19 Talking about the installation and maintenance knowledge of
In order to ensure that the internal thread ball valve installation position line is in the coaxial position, the two flanges on the pipeline should be kept parallel, confirming that the pipeline can w... [See details]
Views : 110 -
2018-07-19 One-piece ball valve structure and application range
The advantages of a one-piece ball valve: simple structure, small size and light weight. The fluid resistance is small, and its resistance coefficient is equal to the pipe length of the same length. Th... [See details]
Views : 194 -
2018-07-19 High pressure casting cut-off valve has four advantages
The change in the seat passage of the high pressure casting stop valve is proportional to the valve stroke. The valve stem opening or closing stroke of the high pressure shut-off valve is relatively sh... [See details]
Views : 125 -
2018-07-19 Why high pressure ball valves are widely used by everyone
The high-pressure ball valve has the advantages of compact structure, reliable sealing, simple structure and convenient maintenance. The sealing surface and the spherical surface are often closed, whic... [See details]
Views : 204
- 共 1页9条记录