صمام البوابة غير المرتفع المرتفع

Non-rising stem gate valve commonly used in water supply systems, محطات معالجة مياه الصرف الصحي, and other industrial applications for on-off control of fluids. These valves have a non-rising stem, which means the stem does not move up and down when the valve is operated. بدلاً من, the stem rotates to open or close the valve. ال مصنّعون صمام بوابة جالس مرن also has a resilient seat that provides a tight shut-off when the valve is closed.