Product main structural features:
 1, reasonable structure, reliable sealing, excellent performance, attractive appearance; 
 2, sealing surface is welded Co cemented carbide, wear, corrosion, good anti-friction properties, long life; 
 3, stem quenched and surface nitriding treatment, 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 can be Actual conditions or user   requirements reasonable matching, to meet the needs of various projects. 
 
 specifications:

 Product Performance Specifications:

 The main components of material:

 WJ41H-16

 WJ41H-25

 WJ41H-40