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What is an angle stop valve?
Mar 23, 2018

Open: When the angle type globe valve is opened, the opening height of the valve flap is 25% to 30% of the nominal diameter, and the flow rate has reached a large value, indicating that the valve has reached the fully open position. Therefore, the fully open position of the stop valve should be determined by the stroke of the disc.

       The type of LPG shutoff valve is divided into external thread type and internal thread type according to the position of the stem thread. According to the flow direction of the medium, there are straight-through, direct-flow, and angled. The shut-off valve is divided according to the form of the seal. There are packing seal cut-off valve and bellows sealed shut-off valve.

       Installation and Maintenance of Angle Type Globe Valves Handwheel and handle-operated spool stop valves can be installed anywhere on the pipeline.

       Handwheels, handles, and weigong agencies are not allowed to be lifted.

       The direction of flow of the medium should be consistent with the direction of the arrow shown in the body.

       High-temperature and high-pressure shut-off valve, also called sectional door, is the most commonly used type of valve. Its popularity is due to the fact that the friction between the sealing surfaces during opening and closing is small, relatively durable, the opening height is not large, and manufacturing is easy. Easy maintenance, not only for medium and low pressure, but also for high pressure. Its closing principle is that relying on the pressure of the valve rod, the sealing surface of the valve flap and the sealing surface of the valve seat are closely fitted to prevent the medium from flowing.

       Insulation shut-off valve can only allow media to flow in one direction and has directionality when installed. Its structure is longer than the gate valve, and it has large fluid resistance. In long-term operation, the sealing reliability is not strong.

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