Cast Steel Bellows Globe Valve
Introduction:
The opening and closing parts of the cast steel bellow type stop valve are cylindrical valve clack, the sealing surface is flat or conical, and the valve clack moves linearly along the centerline of the fluid to control the opening and closing of steam. The steam stop valve is only applicable to full opening and full closing. It is generally not used to regulate the flow. It is allowed to regulate and throttle when specially customized. Cut off or connect the pipeline medium on the pipelines of petroleum, chemical, pharmaceutical, fertilizer, power industry and other working conditions with nominal pressure of 1.6MPa~32.0MPa and working temperature of – 29~550 ℃.
Structural features:
1. Double sealing design (bellows+packing) If the bellows fails, the valve stem packing will also be avoided.
2. Reasonable structure, reliable sealing, excellent performance and beautiful appearance.
3. No fluid loss, reduce energy loss and improve plant equipment safety.
4. The sealing surface is welded with Co based cemented carbide, which has good wear resistance, corrosion resistance, friction resistance, long service life, reduced maintenance times and reduced operating costs.
5. Durable corrugated pipe sealing design ensures zero leakage of valve rod and provides maintenance free conditions.
6. The valve stem of the stop valve is subject to tempering and surface nitriding treatment, with good corrosion resistance and friction resistance;
7. The valve rod lifting position indication is more intuitive.
Parameter performance：
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