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Why is used more widely than other valve pneumatic ball valve
by：AIRWOLF
2021-01-15
We all know why type of valve has a lot of, only pneumatic ball valve widely used?
Then by the Shanghai China and the United States for you about the pneumatic ball valve unique advantage compared to other valves.
is the first anti-static function: in a sphere, the valve stem and valve body between spring, will be generated switching process of electrostatic export. Enforcement agencies; Stem seal is reliable, due to the valve stem will only be used as the rotation without lifting movement, the valve stem packing seal is not easy to damage, and sealing ability increases as the medium pressure increases; Seat sealing performance is good, use the sealing ring made of elastic material, such as teflon structure is easy to be sealed, and the ball valve seal ability increases as the medium pressure increases.
followed by thrust bearings reduce stem friction torque, can make the valve stem long smooth and flexible operation; Such as ptfe material has good self-lubrication, with ball friction loss is small, so the ball valve's service life is long; Bottoms type valve stem and valve stem head convex order to prevent the valve stem, stem seal damage caused by such as fire, convex order between the body and also can form metal contact, to ensure that the stem seal;
fluid resistance is small, the ball valve is after all the classes in a kind of fluid resistance small, even reducing ball valve, the fluid resistance is small. Pneumatic ball valve is mainly used to cut or connect line in the medium, can also be used for flow regulation and control, in the above aspects and similar valve, by contrast, the advantage! Both pneumatic flanged ball valves and pneumatic internal thread ball valve has a pneumatic actuators and ball valve, pneumatic valve, each have each advantage, flanged ball valve advantages: convenient disassembling in the pipeline, suitable for some medium and large chemical project. Resistance to acid and alkali stability, resistance to pressure ability strong, durable in use. Through the interpretation of small make up believe everyone know something of the pneumatic ball valve is widely used for reason!
is the first anti-static function: in a sphere, the valve stem and valve body between spring, will be generated switching process of electrostatic export. Enforcement agencies; Stem seal is reliable, due to the valve stem will only be used as the rotation without lifting movement, the valve stem packing seal is not easy to damage, and sealing ability increases as the medium pressure increases; Seat sealing performance is good, use the sealing ring made of elastic material, such as teflon structure is easy to be sealed, and the ball valve seal ability increases as the medium pressure increases.
followed by thrust bearings reduce stem friction torque, can make the valve stem long smooth and flexible operation; Such as ptfe material has good self-lubrication, with ball friction loss is small, so the ball valve's service life is long; Bottoms type valve stem and valve stem head convex order to prevent the valve stem, stem seal damage caused by such as fire, convex order between the body and also can form metal contact, to ensure that the stem seal;
fluid resistance is small, the ball valve is after all the classes in a kind of fluid resistance small, even reducing ball valve, the fluid resistance is small. Pneumatic ball valve is mainly used to cut or connect line in the medium, can also be used for flow regulation and control, in the above aspects and similar valve, by contrast, the advantage! Both pneumatic flanged ball valves and pneumatic internal thread ball valve has a pneumatic actuators and ball valve, pneumatic valve, each have each advantage, flanged ball valve advantages: convenient disassembling in the pipeline, suitable for some medium and large chemical project. Resistance to acid and alkali stability, resistance to pressure ability strong, durable in use. Through the interpretation of small make up believe everyone know something of the pneumatic ball valve is widely used for reason!
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