9 Reasons to choose Metal Seated Ball Valves

When we look at piping systems externally, we generally see the set up as a whole rather than as many working components individually. But there's that one important that plays a very crucial role. Those are known as the valves. They act like a source that regulates the flow of fluids as well as cutting off supply completely if required.

Industrial valves are of various types, with each based on a different principle and performing a different function. Right here, we will learn about the 9 most common types of industrial valves.

1. Ball valves - Metal seated ball valves is a hollowed-out ball-shaped disk that is fitted inside a pipe. The Metal seated ball valve starts and stops flow by the quarter turn the rotational motion of this disk.

2. Plug valves - plug valves also called cock valves. It uses a cylindrical plug with a passage to block, start or control the flow.

3. Butterfly valves - It is another valve that uses rotational motion. Metal seated ball valves and plug valves work in the same way. It only uses a thin-disk instead of a ball-shaped unit or a cylindrical plug. They are quick to use, lightweight and easily adaptable.

4. Gate valves - This type of valve is used in a tap. Opening and closing of the valve involves raising and lowering metal gates respectively. With gate valves, the passage can be either fully closed or fully open. They are also known as sluice valves.

5. Globe valves - Globe valve is similar to a gate valve in that it uses linear motion for continuous flow. The difference is in the use of a disk instead of a wedge. It can also be managed to lower or increase flow. One of the advantages of a globe valve is that it does not leak as much as other valves.

6. Pinch valves - The construction of a pinch valve is like a sleeve of molded rubber or synthetic material. The flow path in the open position is not obstructed. The flow is cut off by lowering a bar or gate.

7. Diaphragm valves - It works similar to pinch valves. A flexible diaphragm is inserted to it fastens it to the seat blocking the flow. Its advantage is that it creates an extremely tight seal and is used in applications that have a high requirement.

 

8. Relief and Safety valves - As fluids pass through the system, there is a possibility of a sudden increase in pressure, which if not checked can be hazardous. This is used if you are dealing with hazardous fluids.

9. Check valves - Check valves are used for unidirectional flow of fluids. They do not allow it to flow back.

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Multi uses of Severe Service Ball Valves

Ball valves are mainly used for controlling the flow of liquids in industrial and commercial piping systems. The tight closedown feature of Severe Service Ball Valves makes them particularly suited for flow control applications in high pressure and high temperature conditions. They are mainly used in fuel  reforming, refining, power, marine, petrochemical, and process industries. Design engineers developing valves for challenging applications should match the performance of the valve's component elements with the needed flow, temperature, and pressure conditions.

 

Port size and the position in which the ball is held in the valve body are two remarkable aspects of ball design. The cavity diameter of a Severe Service Ball Valves is called its port size.

 

Full Port Design

The port size of a full port ball valve is about the same as the pipeline's inner diameter. These designs are suitable for applications that warrant minimum resistance to the flow of fluids.

Regular Port Design

Compared to full port designs, the hole diameter of regular port ball valves is small and show increased resistance to fluid flow.

Reduced Port Design

The hole diameter of a lower port ball valve is just about equal to 60% of the valve's inner diameter. This ball valve design is convenient for small, end-loaded valves that need small-diameter balls.

A Severe Service Ball Valves flow control area element can be assembled to the ball covering by two ways: the trunnion-mounted ball design and the floating-ball design.

The Floating-Ball Design

Two seat rings are used to hold up the ball in a floating-ball design. In floating-ball design, the flow control stick is attached to the ball at an insert right angle to the ball valve's port. This setting makes the ball to float or move in the direction of the seat ring on top when the shaft is rotated. 

The Trunnion Design

In trunnion design, the ball is carried by two trunnions addition at the ball's top and bottom ends. These trunnions are fond of bearings, which are in turn gathered to the valve body.