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Showing posts from September, 2021

HOW DO FLOATING BALL VALVES WORK?

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  Floating ball valve uses a ball as the formation to prevent the flow of liquid and to shut the cross-section of the pipe. The main characteristic of a floating ball valve is, the ball has no definite structure to support it and it remains dangled in the fluid while the valve seats are static. There are different standards available in floating ball valves some are, Design standard API 608, Test standard API 598, Fire Standard API 607, etc. CATEGORIZATION: Floating ball valve is categorized by, One-piece floating ball valve: One-piece floating ball valve and flange gate valve are the same type of valve but the difference exists in the closing part only. A sphere is used in one piece ball valve facilitating its rotation around the centerline of the body. The ball valve is mainly used to shut off, dispense and change the direction of the medium in the pipeline. Two-piece floating ball valve: Two-piece floating ball valve has two parts one is on the left and another is on the right, thes

GLOBE VALVES VS BUTTERFLY VALVES

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  GLOBE VALVE: A Globe valve is a valve regulates flow in a pipeline, it starts, control and regulates the flow of liquid or gas.  Globe valves are spherical body in shape with movable disc and unmovable ring seat, these two halves are separated by an internal baffle, it has an opening that is stewed to shut the valve. Globe valves are used where the pressure drop through the valve is uncontrollable because they exhibit high-pressure drops when compared to other valves. The working principle of the globe valve is, when the handle wheel is rotated in a clockwise direction, the steam and valve plug will move downwards and the plug will be located between the two valve seats, therefore there will not be leakage of fluid when the valve is closed. On the other side, when the handle wheel is rotated in the anti-clockwise direction, steam and valve plug will move upwards, the valve will be opened and it allows the flow of liquid in the globe valve. Globe valves are highly useful in many appli