The use and performance norm:

1st, the ball valve is extensively suitable for the food , environmental protection, metallurgy, wait for it in the pipeline system, have functions of regulating the flow of pipeline and damming etc..
2, this valve is according to the valve body, the difference of the sealed material should be suitable for working temperature - 30 --Vapour of 380 degrees Centigrade, or on the fluid medium pipeline of general corrosivity, as controlling opening and close the organization of medium.