Type：cast，rising stem

Nominal Size NPS：2"~20"

Pressure Grade Class：150~900

Working Temperature：-29℃~500℃

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

Design standard：API623,BS1873，ASME B16.34, API602，GB/T12235

Type of connection：SW,BW

Operating：Manual,electric, pneumatic

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