Hand Lever valves are an essential component of any fluid control system, and they play a critical role in the industrial sector. They are simple mechanical devices that control the flow of fluids in pipelines, and they work by either blocking or allowing the flow of fluids through a pipe. The valves come in different types and sizes, and they are used in various applications, including oil and gas, water treatment, pharmaceuticals, and food and beverage processing.
In this blog post, we will take a closer look at hand lever valves and provide a comprehensive guide to help you understand their types, functions, applications, and factors to consider when choosing them.
What are Hand Lever Valves?
A hand lever valve is a manual valve that uses a lever to control the flow of fluid through a pipeline. It is designed to be operated by hand, and it works by either opening or closing a port to allow or block the flow of fluid. The valve's lever is attached to a stem that moves a disc or ball within the valve body to regulate the flow of fluid.
Hand lever valves are commonly used in applications where precise control of fluid flow is not necessary, such as on/off control or emergency shut-off. They are also used in situations where power or electrical supply is not available, making them a reliable solution for remote locations.
Types of Hand Lever Valves
There are several types of hand lever valves, and they differ in their design, function, and application. Here are the most common types of hand lever valves:
Ball Valves: These valves have a spherical-shaped disc that rotates within the valve body to control the flow of fluid. They are known for their durability and reliable performance, making them a popular choice for various industrial applications.
Gate Valves: These valves have a gate-like disc that moves up and down to regulate fluid flow. They are commonly used in applications where a straight-line flow of fluid and low pressure drop are required.
Globe Valves: These valves have a spherical-shaped disc that moves perpendicular to the flow of fluid to control the flow rate. They are used in applications where precise control of fluid flow is required, such as in the pharmaceutical and food and beverage industries.
Check Valves: These valves allow fluid to flow in one direction and prevent backflow in the opposite direction. They are commonly used in applications where fluid flow reversal is not allowed, such as in the oil and gas industry.
Applications of Hand Lever Valves
Hand lever valves are used in various applications across different industries, including:
Oil and Gas: Hand lever valves are used in the oil and gas industry to control the flow of crude oil, natural gas, and other petroleum products. They are used in pipelines, storage tanks, and refining processes.
Water Treatment: Hand lever valves are used in water treatment plants to control the flow of water and other chemicals used in the treatment process. They are used in pipelines, tanks, and other equipment.
Pharmaceuticals: Hand lever valves are used in the pharmaceutical industry to control the flow of fluids and gases in the production process. They are used in pipelines, tanks, and other equipment.
Food and Beverage: Hand lever valves are used in the food and beverage industry to control the flow of fluids in the production process. They are used in pipelines, tanks, and other equipment.
Factors to Consider When Choosing Hand Lever Valves
When choosing hand lever valves, several factors should be considered to ensure that you get the right valve for your specific application. Here are some of the critical factors to consider:
Material: The material used to manufacture the valve is crucial in determining its durability, corrosion resistance, and ability to withstand high-pressure applications. Common materials used include brass, stainless steel, and PVC.
Size: The size of the valve should be matched to the pipe's diameter to ensure proper flow control and prevent leaks.
Pressure Rating: The pressure rating of the valve should be considered to ensure that it can handle the maximum pressure of the fluid in the pipeline.
Temperature Rating: The temperature rating of the valve is essential in ensuring that it can withstand the fluid's temperature in the pipeline.
Port Size: The port size of the valve should be considered to ensure that it matches the flow rate required for the specific application.
Flow Rate: The valve's flow rate should be considered to ensure that it can handle the required flow rate for the application.
Operation: The ease of operation of the valve should be considered, especially if it will be operated frequently or by multiple people.
