Bellow Cast Iron Globe Valve

Bellow Cast Iron Globe Valve

Bellows globe valve overview]

It is used to cut off or connect the pipeline medium on pipelines with nominal pressure PN1.6~16MPa and working temperature -29~540℃ in petroleum, chemical industry, pharmaceutical, fertilizer, power industry and other working conditions. The main features of the national standard bellows globe valve: reasonable product structure, reliable sealing, excellent performance, and beautiful appearance; the sealing surface is overlayed with Co-based carbide, wear-resistant, corrosion-resistant, anti-friction performance, and long service life; valve stem adjustment The quality and surface are nitrided, which has good anti-corrosion and anti-friction properties; double sealing, more reliable performance; valve stem lifting position indication, more intuitive; parts material and flange, butt welding end size can be adjusted according to actual working conditions or users Reasonable selection is required to meet various engineering needs.

Bellows globe valve characteristics]
1. Double sealing design (bellows + packing). If the bellows fails, the valve stem packing will also avoid leakage and comply with international sealing standards.
2. No fluid loss, reducing energy loss and improving factory equipment safety
3. Long service life, reducing maintenance times and operating costs
4. The sturdy and durable bellows seal design ensures zero leakage of the valve stem and provides maintenance-free conditions.
5. The gas medium valve seat adopts PTFE soft sealing material to improve the sealing performance of this valve.
6. The valve seat with high temperature resistance ≤425℃ adopts cone surface hard sealing. Achieve air tightness and zero leakage

【Bellows Globe Valve Performance Specifications】

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