经过特殊工艺处理的球体与阀座，特别适用于较高温度及含各种粉尘与固体颗粒的介质。
1、采用特别设计的补偿性可动金属阀座结构，密封可靠。
2、本系列球阀应按规定流向使用。
3、本系列球阀可配多种驱动装置。
process through special techniques, the globe body and valve seat are especially applicable for high-temperatures and the medium containing dusts and solid particles.
1.The specially-designed compensatory movable valve seat construction made from metal is of great reliability in its sealing performance.
2.The ball valve series should be applied in accordance to the specified flow direction.
3.Multiple driving devices could be prepared for the series.
