Design Features:

1. Strict control and inspection of the chemical components C, S, and P in materials.  
2. Special treatment of the inner surface of the carbon steel valve body with stringent degreasing and de-oiling processes.  
3. Special hardening treatment for the ball and seat, with a smooth, rounded transition design for flow paths.  
4. Blow-out-proof stem design and reliable internal and external leak-proof sealing design.  
5. Double block and bleed function, with fire and static electricity protection.  
6. Optional spring pre-tension structure design.  

Product Range:

Pressure Rating: CLASS 150 to 2500 (PN 10 to PN 420)  

Nominal Diameter: 1/2” to 48” (DN 15 to DN 1200)  

Temperature Range: -46 to 425℃  

Body Materials: A105, F304, F316, etc.  

Core Materials: A105, RPTFE, PPL, PEEK, NYLON, Stellite alloys, etc.  

Operation Methods: Manual, worm gear, pneumatic, electric, hydraulic, etc.