* Stem the device explosion 

 * Ball on the design of pressure balance holes 

 * Double stem packing device with two butterfly shrapnel 

 * Clean the valve stem on the design of cavity device 

 * 15-250mm diameter 

 * Pressure 1.6-4.0mpa 

 *- 20 ~ +200 ℃ 

 * Connection flange 

 * Two-type valve structure, three type 

 * Body 316L, 316,304, carbon steel 

 * Ball 316L, 316 

 * Seal PTFE, Alloy 

 * South Korean imports of electric actuators, the shell made of high quality aluminum alloy, light weight 

 * Anodized inside and outside surface 

 * SPG squirrel-cage motor, the output torque large, and built-in thermal protection switch