Запорный клапан

Stem axis and sealing surface are vertical. It takes stem short time to open and close. Stem with reliable cut-off action is suitable for cutting off media and adjusting and throttling. 1. Seat and disc dont contact when disc is being opened, and with reliably cutting action to make this kind of valve is suitable for cutting of media and adjusting and throttling. 2. Seat and disc dont contact when globe valve is being opened makes machinery of sealing surface small wear. Seat and disc are convenient to mended and valve is neednt to remove from pipeline when changing seals that is suitable for valve and pipeline are welded together. Flow direction is change while media crosses through this kind of valve, so flow resistance of this kind valve is much higher than others.