Product Structure Features:
GB bellows globe valve for nominal pressure PN1.6-4.0MPa, operating temperature -20 ℃ -350 ℃ petroleum, chemical, pharmaceutical, fertilizer, power industry and other conditions of the pipeline, cut off or Turn on the line media. 
1, the product structure is reasonable, reliable sealing, excellent performance, handsome in appearance; 
2, sealing surface surfacing Co cemented carbide, wear resistance, corrosion resistance, abrasion resistance, long service life; 
3, valve stem quenching and surface nitrogen treatment, has good corrosion and abrasion resistance.; 
4, double sealing performance is more reliable; 
5, more intuitive stem down position indication; 
6, part material, flange and butt size according to the actual working conditions or user Requires reasonable matching, to meet the needs of various projects.