Design standards API6D, ASME B16.34, BS5351, ISO17292, DIN 
 Connection RF, RTJ flange, butt welding, threaded, socket weld 
 Operation manual, pneumatic, electric, gas linkage, etc. 
 Size range 2 "- 30" (DN 50-DN 750) 
 Pressure range of CLASS 150 - CLASS 1500 (Mpa 1.6-Mpa 25.0) 
 Range of carbon steel materials, stainless steel, 20 # steel, nickel-based alloy, cobalt-based alloy 
 Temperature range of -196 ℃ -540 ℃ 
 Application of oil, gas, chemical, petrochemical, power plants, metallurgy, paper making 

 Integral body design, upload type stem fixed support flange structure 

 Integral fixed pivot design club 

 Dual function of blocking emission 

 Drivers of high strength monolithic structure, to ensure the precise positioning of the sphere 

 Protection structure with blowout proof stem 

 2 Group O-ring, together with the fire on the stem packing structure, effectively prevent the leakage 

 Anti-corrosion, low coefficient of friction bearings 

 Corrugated spring due to the nylon sealed nickel-metal seat to the ball to move, with imports and exports two-way sealing function 

 Superior performance of the standard nylon and PEEK seats, ensuring an effective seal under low pressure 

 Sealant into the design to live in a state of emergency may be admitted to the sealant on the valve stem or valve seat seal 

 Unique seat retractable technology, online clubs can be replaced, the valve stem seals and corrugated metal spring seat 

 Torque is reduced to a minimum, easy valve operation 

 Effective contact with the valve shaft, the superior performance of anti-static grounding device 

 Pre-drive platform and screw holes, ready for assembly drive 

 Fire: When the seat burned out or damaged, the metal valve seat automatically snapping ball, valve seat and the ball between the small leak