Type：cast，rising stem，flexible single wedge,pressure seal bonnet

Nominal Size NPS：2"~20"

Pressure Grade Class：900~2500

Working Temperature：-29℃~550℃

Body Material： Carbon steel, Alloy steel,Stainless steel, Duplex stainless steel, Nickel alloy, etc

Design standard：API600,API6D，ASME B16.34, API602，GB/T12234

Type of connection： BW,RF,RTJ

Operating：Manual, Electric

Applicable medium：Water, Steam, Oil, Corrosive medium, etc