本公司科技人员经过多年研制开发设计出一种用在含尘煤气、干净煤气、热气及烟道及其他含尘气体管路中，经过多年的使用交果显著。采用特殊的材料及高科新技术耐腐蚀性阻止烟尘进入，达到开关灵活不夹死。本阀主要用于在含煤气、干净煤气、烟道及高温含尘气体管道中作启闭用。

This company technical personnel passes through many years development to design one kind to use in contains the dust coal gas,the clean coal gas,the steam and the smoke and oher contains in the dust gas pipeline,passes through many years use effect to be remarkable.Uses the special material and the high-tech inoxidizbility prevents the mist and dust to go in achieved the switch is nimble does not clamp dies.This valve mainly uses in to contain the dus coal gas,the clean coal gas,the smoke and the high temperature contains inthe dust gas pipeline to do opens shuts uses.