Shanghai Fadeng Electric Ball Valve

Shanghai Fadeng Electric Ball Valve

Nominal diameter: 40~300mm

Nominal pressure: 1.0MPa

Applicable temperature: 0 ℃~60 ℃

Connection method: Clamp

Valve structure: Type A

Valve body material: UPVC, CPVC, PP

Valve ball material: UPVC, CPVC, PP

Sealing materials: FPM, EPDM, NBR

Applicable medium: PVC compatible food industry chemical solvents

Optional accessories: limit switch, solenoid valve, pressure reducing valve, etc

Shanghai Fadeng Electric Ball ValveTypes include: floating ball valve, fixed ball valve, track ball valve, V-shaped ball valve, three-way ball valve, stainless steel ball valve, forged steel ball valve, ash discharge ball valve, sulfur resistant ball valve, three-way ball valve, pneumatic ball valve, electric ball valve, sleeve ball valve, welded ball valve, flange ball valve, and threaded ball valve.

Floating ball: The ball of a ball valve is floating, and under the pressure of the medium, the ball can produce a certain displacement and press tightly against the sealing surface at the outlet end, ensuring the sealing of the outlet end. The floating ball valve has a simple structure and good sealing performance, but the ball bears all the load of the working medium and is transmitted to the outlet sealing ring. Therefore, it is necessary to consider whether the sealing ring material can withstand the working load of the ball medium. When subjected to high pressure impact, the ball may deviate. This structure is generally used for medium and low pressure ball valves.

Fixed ball: The ball of a ball valve is fixed and does not move under pressure. Fixed ball valves are equipped with floating seats, which move when subjected to medium pressure, causing the sealing ring to press tightly against the ball to ensure sealing. Usually, bearings are installed on the upper and lower shafts of the sphere, with a small operating torque, suitable for high-pressure and large-diameter valves. In order to reduce the operating torque of ball valves and increase the reliability of sealing, lubricating oil is used to form a layer of oil film, which not only enhances the sealing performance but also reduces the operating torque, making it more suitable for high-pressure and large-diameter ball valves

Elastic ball: The ball body of a ball valve is elastic. The ball and valve seat sealing ring are both made of metal materials, and the sealing pressure ratio is very high. Relying on the pressure of the medium itself cannot meet the sealing requirements, and external force must be applied. This type of valve is suitable for high temperature and high pressure media. An elastic sphere is obtained by creating an elastic groove at the lower end of its inner wall. When closing the channel, use the wedge-shaped head of the valve stem to expand the ball and press it against the valve seat to achieve sealing. Release the wedge-shaped head before rotating the sphere, and the sphere will return to its original shape, creating a small gap between the sphere and the valve seat, which can reduce friction and operating torque on the sealing surface.