Mechanical Valves

Features of Mechanical Valves

◆ Simple Structure and High Reliability

Mechanical valves typically consist of a valve body, valve seat, valve disc, and valve stem.

They operate either manually or automatically to control the flow of fluids.

Due to their relatively simple design, they are easy to maintain and have a long service life.

◆ High-Pressure and High-Temperature Resistance

Many mechanical valves are designed to withstand extreme conditions, making them suitable for high-pressure and high-temperature environments,

such as those found in the oil, gas, and power industries.

◆ Various Operating Mechanisms

Mechanical valves can be operated manually, pneumatically, electrically, or hydraulically.

Manual valves rely on human intervention, whereas automated valves use external power sources for control, making them ideal for different operational needs.

◆ Sealing and Corrosion Resistance

The sealing performance of a valve is crucial to its efficiency.

Modern mechanical valves use advanced sealing materials to ensure leak-proof operation,

even in extreme environments. Additionally, corrosion-resistant materials extend the lifespan of these valves.

Types of Mechanical Valves

Mechanical valves come in various types, each designed for specific operational conditions. Below are some of the most common types:

◆ Ball Valve

Ball valves use a spherical disc with a hole through its center. 

When aligned with the pipeline, fluid flows freely; when turned perpendicular, the flow stops.

They offer excellent sealing and are ideal for quick shut-off applications.

◆ Gate Valve

Gate valves use a sliding gate to open or close the fluid passage. 

They are mainly used for full-open or full-close operations and are not suitable for flow regulation.

They are widely used in large-diameter and high-pressure applications.

◆ Globe Valve

Globe valves control fluid flow by raising or lowering a plug inside the valve body. 

Unlike gate valves, they offer better flow control, though they have higher pressure loss.

◆ Check Valve

Check valves prevent backflow by allowing fluid to move in only one direction. 

They are commonly used in piping systems to prevent reverse flow, which can damage equipment.

◆ Control Valve

Control valves regulate fluid flow, pressure, or temperature by adjusting the valve opening. 

These are essential in automated industrial systems for precise control.

◆ Butterfly Valve

Butterfly valves use a rotating disc to regulate fluid flow. 

They are lightweight, cost-effective, and suitable for medium to large pipelines where space and weight considerations are crucial.

◆ Safety Valve

Safety valves protect systems from overpressure by automatically releasing excess pressure when it exceeds a preset limit. 

They are critical for preventing equipment failure and ensuring safe operation.

Applications of Mechanical Valves

Mechanical valves have extensive applications across various industries, including:

◆ Oil and Gas Industry

Valves play a crucial role in controlling the flow of crude oil, natural gas, and refined products in pipelines. 

High-pressure ball valves, gate valves, and check valves are commonly used in this industry.

◆ Chemical Industry

In chemical processing, precise control of fluid flow and pressure is essential. 

Control valves, globe valves, and safety valves are used to ensure accurate chemical reactions and safe operations.

◆ Power Generation

Power plants use valves to regulate steam, water, and fuel flow. They are essential for the efficiency and safety of boilers, cooling systems, and turbine operations.

◆ Food and Pharmaceutical Industries

These industries require high sanitary standards for fluid handling. Valves used in food and pharmaceutical production must be easy to clean and resistant to contamination. 

Stainless steel control valves and butterfly valves are widely used in these sectors.

◆ Water Treatment

For more details about our Mechanical valves, please visit our dedicated pneumatic product website: https://www.fokcavalve.com/