Flange connection disconnecting valve is suitable for nominal pressure PN1.6~16.0MPa, working temperature -29~550°C petroleum, chemical, pharmaceutical, fertiliser power industry and other conditions of the pipeline, cut off or connect the pipeline medium. Its main structural features are.
1. Reasonable structure, reliable sealing, excellent performance and beautiful modelling.
2. Sealing surface surfacing cobalt hard alloy, wear-resistant, corrosion-resistant, anti-scratch performance, long service life.
3. The valve stem is tempered and surface nitriding treatment, has good corrosion resistance and anti-scratch.
4. The valve is equipped with inverted sealing structure, reliable sealing.
5. The material of parts and flange size can be reasonably selected according to the actual working conditions or user requirements to meet the needs of various projects