A sandwich valve | modular valve | is a type of hydraulic valve used to reduce piping in hydraulic systems and occupy less space when there are many control valves.
Sandwich valves are primarily used for pressure control, flow control, pressure check, and return shuttle applications. A modular valve is a type of valve that consists of various modules which can be combined or configured to create a valve system that meets specific application requirements.
These modules include valve bodies, actuator systems, control modules, and accessories. The classification and naming of these valves vary among different brands, and naming is not solely based on their functionality.
For example, in the brand Doppomatic, the modular valve with pressure relief function is referred to as "Directly Actuated Modular Pressure Relief Valve", while in the brand Newan, these valves are called "NHM model". These naming conventions are independent of technical differences.
The valve body is the main component of a modular valve system. It can be made from various materials such as brass, stainless steel, or plastic and comes in different sizes and shapes. The valve body includes the flow path, which can be direct or angled depending on the application.
Sandwich Valve | Modular Valve
The actuator system is responsible for opening and closing the valve. This can operate electrically, pneumatically, or manually. On the other hand, the control module is responsible for regulating the fluid flow through the valve. This can include features such as flow sensors, pressure sensors, and electric valves.
Accessories are additional components that can be added to the modular valve system to enhance its performance. These accessories can include filters, pressure regulators, and flow control valves.
Modular valves are popular in the industrial sector, where they are used in various applications such as water treatment, chemical processing, and pharmaceutical production. The modular design of these valves allows for easy maintenance and repair, as well as the ability to replace individual components without having to replace the entire valve system.
Overall, modular valves are an excellent choice for applications requiring flexibility, customization, and easy maintenance. Their modular design allows for easy adaptation to specific application needs, making them an ideal choice for many industrial applications.
The advantages of this valve include:
| Minimizing installation footprint |
| Preventing oil leakage |
| Reducing vibration and noise |
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