GB Bellows Gate Valve
Introduction:
The national standard corrugated pipe gate valve is suitable for cutting off or connecting the pipeline medium on the pipelines of petroleum, chemical, pharmaceutical, chemical fertilizer, electric power industry and other working conditions with a nominal pressure of PN1.6~16MPa and a working temperature of – 29~350 ℃.
Structural characteristics:
1. The product has reasonable structure, reliable sealing, excellent performance and beautiful appearance;
2. The sealing surface is welded with Co based cemented carbide, which has good wear resistance, corrosion resistance, friction resistance and long service life;
3. The valve rod is quenched and tempered and the surface is nitrided, with good corrosion resistance and friction resistance;
4. Double sealing, more reliable performance;
5. The valve rod lifting position indication is more intuitive;
6. The material of parts and the dimensions of flanges and butt welding ends can be reasonably selected according to the actual working conditions or user requirements to meet the needs of various projects.
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