Cast Iron Spring Check Valve 5K | Model F7358 – Non Return Valve for Marine Systems

Product Information – Cast Iron Spring Check Valve 5K

The cast iron spring check valve 5K model F7358 is manufactured in China under strict quality standards. The valve body is made of high-strength cast iron with excellent durability, load resistance, and anti-oxidation properties.

This product is currently distributed by THEGIOIVAN.NET with full size range DN50–DN200, competitive pricing, and reliable warranty policies.

Introduction to Spring Check Valve 5K – F7358

The spring check valve 5K is a widely used industrial valve designed to allow fluid to flow in only one direction, preventing backflow in piping systems.

Spring Check Valve Cast Iron is commonly installed in marine pipeline systems, especially at pump discharge lines to protect pumps and prevent system damage caused by reverse flow.

Structure of Spring Check Valve 5K

The valve consists of the following main components:

• Cast iron body and bonnet
• Stainless steel disc for corrosion resistance
• Internal spring mechanism
• Non-asbestos sealing gasket

This simple structure ensures high durability and stable operation.

Working Principle

The valve operates automatically based on fluid pressure:

• When fluid enters, pressure pushes the disc and compresses the spring
• The valve opens and allows flow through
• When flow stops or reverses, the spring forces the disc to close
• Prevents backflow and protects the system

Advantages of Cast Iron Spring Check Valve 5K

• High durability and strong mechanical structure
• Simple automatic operation, no external control required
• Prevents reverse flow effectively
• Suitable for vertical and horizontal installation
• Stable performance in marine environments
• Protects pumps and downstream equipment

Catalog of Spring Check Valve Cast Iron 5K F7358 | DN50–DN200 – Marine Non Return Valve

Applications

The F7358 spring check valve 5K is widely used in:

• Marine pipeline systems
• Pump discharge lines
• Water supply systems
• Industrial fluid systems
• Equipment protection systems

Supplier Information

THEGIOIVAN.NET
📞 0902601875
📧 sales1@pm-e.vn
🌐 www.kspc.net.vn

Conclusion

The cast iron spring check valve 5K F7358 is an essential component for preventing backflow in marine and industrial pipeline systems, ensuring safe operation, protecting equipment, and maintaining stable system performance.