News- Taizhou aike valve Co., Ltd

Disadvantages of ball valve

①Because the most important valve seat sealing ring material of the ball valve is PTFE, it is inert to almost all chemical substances, and has a small friction coefficient, stable performance, not easy to age, wide temperature range and excellent sealing performance comprehensive characteristics. But the physical properties of PTFE, including high coefficient of expansion, susceptibility to cold flow, and poor thermal conductivity, require that seat seal designs must be built around these proper...

2022-09-23
Ball valve advantages

Advantages: ① has the lowest flow resistance (actually 0); ② can be reliably used in corrosive media and low-boiling liquids because it will not get stuck during operation (when there is no lubricant); ③ in larger Within the range of pressure and temperature, it can be completely sealed; ④ It can realize rapid opening and closing, and the opening and closing time of some structures is only 0.05~0.1s, so as to ensure that it can be used in the automation system of the test bench. When the valve i...

2022-09-16
Daily maintenance of ball valve

Having a long service life and maintenance-free period will depend on several factors: normal operating conditions, maintaining a harmonious temperature/pressure ratio, and reasonable corrosion dataWhen the ball valve is closed, there is still pressurized fluid inside the valve bodyBefore Servicing: Depressurize the line and keep the valve in the open position; disconnect power or air supply; disengage the actuator from the yokeThe dismantling and dismantling operations must be carried out after...

2022-09-09
Application of ball valve

Since the ball valve usually uses rubber, nylon and polytetrafluoroethylene as the material of the seat seal, its operating temperature is limited by the material of the seat seal. The cut-off function of the ball valve is accomplished by pressing the metal ball against the plastic valve seat under the action of the medium (floating ball valve). Under the action of a certain contact pressure, the valve seat sealing ring undergoes elastic-plastic deformation in local areas. This deformation can c...

2022-09-02
Installation and use of electric ball valve

1. Indoor installations or outdoor applications with protective methods;2. Outdoor open-air installations, eroded by wind, sand, rain, sunlight, etc.;3. With flammable, explosive gas or dust environment;4. Environment in wet tropics and dry tropics;5. The temperature of the pipeline medium is as high as 450 ℃ or more;6. The ambient temperature is below -20℃;7. Easily flooded or immersed in water;8. Environment with radioactive substances (nuclear power plants and radioactive substances test equi...

2022-08-26
Electric ball valve structure

The structure of the electric ball valve is only composed of a few parts, and the material consumption is low; the structure of the electric ball valve is small in size, light in weight and small in installation size, and the driving torque is small. Quick opening and closing; and also has good flow regulation performance and sealing characteristics. In the application field of large and medium caliber, medium and low pressure, electric ball valve is the dominant valve form. When the electric ba...

2022-08-19
Ball valve product features

1. The three-way ball valve adopts an integrated structure in structure, the sealing type of the 4-sided valve seat, less flange connections, high reliability, and lightweight design.2. The three-way ball core is divided into T type and L type, with long service life, large flow capacity and small resistance.3. The ball valve is divided into two types: single-acting and double-acting according to the action type. The single-acting type is characterized in that once the power source fails, the ba...

2022-08-12
The elasticity of the ball valve

The ball of the ball valve is elastic. Both the ball and the valve seat sealing ring are made of metal materials, and the sealing specific pressure is very large. The pressure of the medium itself cannot meet the sealing requirements, and external force must be applied. This valve is suitable for high temperature and high pressure medium.The elastic sphere is obtained by opening an elastic groove at the lower end of the inner wall of the sphere to obtain elasticity. When the channel is closed, t...

2022-08-06
Ball valve structure

The sealing performance is good, but the load of the sphere bearing the working medium is all transferred to the outlet sealing ring. Therefore, it is necessary to consider whether the material of the sealing ring can withstand the working load of the sphere medium. When subjected to high pressure shock, the sphere may shift. . This structure is generally used for medium and low pressure ball valves.The ball of the ball valve is fixed and does not move after being pressed. The fixed ball valve h...

2022-07-22