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Industrial Valve

Product Section
Certified Check Valve Manufacturer
  • Mainly Types of Check Valve
    Check valves manufactured by our company ensure one-way flow and protect your system from backflow damage.
  • Special Types of Check Valve
    Check valves designed with an automatic closing mechanism are ideal for applications such as pump outlet lines, boiler feed systems and wastewater treatment plants.
Certifications
Our products include swing Check Valves, lift check valves and double plate Check Valves, all approved by API6D, CE, SIL, ISO and GOST. You can rely on our Check Valves to perform reliably even in the most challenging environments.
  • API
  • CE
  • SIL
  • TS
  • ISO
  • GOST
  • EAC
Any Questions About Our Products, Please Feel Free to Contact us!
NAFA professional technical team online for you to answer a variety of product questions. if there is no valve type you need, we can try to customize it for you.
What is an Industrial Check Valve?
A check valve is a one-way valve used to prevent the flow of fluid back and can be automatically opened and closed without manual operation. The check valve is designed so that when the fluid flows in the right direction, the disc automatically opens to allow the fluid to pass through; When the fluid tries to flow back, the valve disc automatically closes, preventing the flow back from occurring. This automated design makes check valves ideal for pump outlets, boiler systems, etc., where backflow needs to be prevented. There are many types of check valves, including swing and lift, and each type has its own specific application scenarios and advantages. Check valves are not only simple to operate, but also play a vital role in protecting the piping system.
Characteristics of Valve Use
  • Automatic opening and closing
    The design feature of the check valve is that it can automatically open and close, completely rely on the flow of fluid to control the state of the valve, without external force operation, simplifying the control of the system.
  • Prevent media backflow
    The most significant feature of the check valve is to prevent media backflow, protect pumps and other equipment from damage caused by backflow, and ensure the safety of the system.
  • Less maintenance
    Because check valve operation is fully automated, its structure is simple and durable, and usually does not require frequent maintenance, greatly reducing maintenance costs.
  • Easy installation
    The design of the check valve makes it very easy to install, and it is often used in pump outlets, boiler systems and other pipelines that need to prevent backflow.
Design Features
Categorize By Design
About The Key Parts of The Check Valve
  • 01
    Valve Body
    The valve body of a check valve is the main pressure-bearing component and is usually made of high-strength metal materials to ensure safe operation under high pressure conditions. The valve body is designed to be streamlined to reduce resistance when the fluid passes through.
  • 02
    Valve Disc
    The valve disc is the most critical component in a check valve. It can automatically respond to changes in fluid pressure to open and close the valve to prevent the medium from flowing back. The valve disc is usually designed as a swing or lift type.
  • 03
    Valve Seat
    The valve seat is the sealing surface between the valve disc and the valve body. It is usually made of wear-resistant and corrosion-resistant materials to ensure that the valve disc forms a reliable seal when closed.
  • 04
    Spring
    In some types of check valves, springs are used to assist the opening and closing operation of the valve disc. The presence of a spring can speed up the response speed of the valve disc and ensure that it is closed in time when the fluid pressure changes.
  • 01
  • 02
  • 03
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Areas of Application
Why Customers in Over
100+ Countries Choose to Use Our Valves