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The requirements for pressure test before the installation of fully welded ball valves mainly include the following aspects: Strength test The strength test uses water as the medium; after the valve is opened to the [...]

Technical characteristics of fully welded ball valve: 1. The valve body structure is integrally welded without external leakage. 2. The valve seat is composed of PTFE sealing ring and spring, which has strong adaptability to [...]

The valve body design of the fully welded ball valve has a cylindrical structure and a spherical structure. The cylindrical structure is a double-welded seam. The welding process has large heat input, complex residual stress, [...]

Performance of fully welded ball valves 1. No maintenance, adjustment and lubrication required, easy to install, long-term reliable operation at low operating cost. The surface adopts plastic spraying treatment technology, with beautiful luster, which is [...]

Fully welded ball valves are widely used in various fields. Its superior quality and high performance stability are beyond the reach of ordinary cast steel ball valves, and its service life is far greater than [...]

The flow and velocity of the valve mainly depend on the diameter of the valve, and also the resistance of the valve structure to the medium. At the same time, it has a certain internal [...]

The device used to control the flow of fluid in the pipeline is called a valve. Its main function is: On-off - cut off or connect the fluid flow in the pipeline； Regulating - regulating [...]

Industrial valves are used to open and close the pipeline, control the flow direction, regulate and control the parameters of the conveying medium (temperature, pressure and flow) of the pipeline accessories. 1. Strength performance The [...]

1. Valve It is used to control the flow of medium in the pipeline, and it is the general of mechanical products with movable mechanism. 2. Gate valve, slide valve The on-off part (shutter) is [...]

Body It is directly connected to the pipeline (or equipment) to provide the channel of the medium circulation Bonnet To connect with the valve body (or through other parts, such as diaphragm) and it is [...]