Valve manufacturing and sales, along with accessories
The main features of the butterfly valve include:：
1.Simply structuredThe butterfly valve has a relatively simple structure, primarily composed of the valve body, butterfly plate, and valve shaft, making it easy to manufacture and maintain.
2.Compact and lightweightDue to its compact structure, the butterfly valve has a small size and light weight, making it particularly suitable for large diameter pipelines.
3.Low fluid resistanceAt full open, the valve seat passage has a larger effective flow area.Therefore, the fluid resistance is relatively low.
4.Quick opening and closingThe butterfly valve can be fully opened or closed with a 90-degree rotation, offering convenient and quick operation, ideal for frequent use.
5.Torque SmallThe butterfly valve has a lower torque for opening and closing, making operation more effortless.
6.Wide Range of ApplicationsControl the flow of fluids such as water, steam, and various corrosive media.
Switch control for low-pressure pipeline media.
The types of butterfly valves are as follows:：
By Structural Form Category：
1.Tongxin Butterfly ValveThe shaft center, butterfly plate center, and body center are all aligned at the same position, featuring a simple structure but with significant wear.
2.Single Eccentric Butterfly ValveThe valve rod shaft has been adjusted to deviate from the butterfly plate center, reducing the compression between the butterfly plate and the valve seat.
3.Bifurcated Butterfly ValveThe valve rod shaft is misaligned from both the butterfly plate center and the body center, significantly reducing wear.
Widely applicable.
4.Threeeccentric butterfly valveFurther enhancing the sealing structure for high-temperature conditions or applications requiring zero leakage.
By Driven Type Classification：
1.Manual Butterfly ValveOperate switches manually.
2.Electromagnetic Butterfly ValvePowered by electric motors.
3.Pneumatic Butterfly ValveDriven by compressed air.
4.Liquified Butterfly ValveDriven by liquid pressure.
By Sealing Type Classification：
1.Flexible Sealing Butterfly ValveSealed by the elasticity of the valve seat or valve plate.
2.Additional Torque Seal Butterfly ValveSealed through the application of external torque.
3.Pressurized Sealed Butterfly ValveSealed through the use of pressure components.
4.Automatic Sealed Butterfly ValveAutomatically sealed by means of medium pressure.
By Work Stress Categories：
1.Vacuum Butterfly ValveWork pressure is below standard atmospheric pressure.
2.Low-Pressure Butterfly ValveNominal Pressure PN < 1.6 MPa.
3.Medium Pressure Butterfly ValveThe nominal pressure PN ranges from 2.5 to 6.4 MPa.
4.High Pressure Butterfly ValveNominal Pressure PN ranges from 10.0 to 80.0 MPa.
5.Ultra-High Pressure Butterfly ValveNominal Pressure PN > 100 MPa.
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