Valves serve a variety of purposes in the
engineering, manufacturing, industrial, and scientific industries. Choosing the
right valve can determine the failure or success of the process. The major
purpose of a valve is to regulate flow through a system. Valves may be used to
throttle or stop the flow to ensure the safe and efficient operation of the
process.
Float Valve
A float valve is used to stop the flow of
liquids at a pre-determined level. When adjusted properly, it is accurate and
reliable. It is used in various applications in homes, as well as industries.
It is located inside the cistern in the toilet. The reserve tank, then refills
and the valve gets closed. When the water level is low, then it allows water to
come inside the tank. If the water reaches a certain level then it stops the
water to come in. The idea of this type of valve is simple, which accounts for
its reliability and extensive usage. However, a float valve is not suitable for high-pressure applications.
Swing Check Valve
A swing check valve allows unobstructed flow
and automatically closes as pressure decreases. Full closure occurs when the
flow reaches the zero level. It is recommended for use in systems that use gate
valves because of the low-pressure drop across the valve. Instead of a ball
controlling flow, this valve uses a small closure that opens when water draws
in and closes when the water flow is stopped, thus not allowing any liquid to
drain out of the valve’s entrance. The internal disc of the swing check valve enables flow to pass
forward, which opens the valves.
Advantages of using different types of valves –
- They ensure leakproof service
- They open and shut quickly
- They are lighter in weight
- Minimal friction and turbulence
- They are robust, compact, and durable by design
- They prevent backflow
- They can sustain pressure
- They serve as a backup system
- These valves are used in an array of markets and applications as they are available in versatile designs and different material options
- They help in preventing backflow and maintaining pressure
- These are used in industries, including refining, petrochemical, and chemical, oilfield production, steam, refining petrol, and viscous fluids
- They are commonly found in manufacturing and waste-water management systems
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