Add lubricant to the transmission parts regularly.Check the sealing filler of the vlave regularly .Complemetn or change filler avoiding leakage of medium.
Add lubricant to the transmission parts regularly.Check the sealing filler of the vlave regularly .Complemetn or change filler avoiding leakage of medium.
定期给阀门的传动部位加润滑油。定期检查阀的密封填料处，补充、更换填料以防介质外泄。