High Flow Check Valves
High Flow Check Valves
High Flow Check Valves
High Flow Check Valves
High Flow Check Valves

High Flow Check Valves

Improved Racing set out to design a high flow, low pressure drop check valve and this is the result!

Most check valve designs are restrictive, resulting in a pressure drop across the valve even when fully open. Improved Racing's check valves use a flapper that swings completely out of the fluid's flow path, adding virtually no flow restriction.

The internal geometry of the check valve body is based on a math model that presents the lowest possible pressure drop. Each part was completely designed and optimized using commercial-grade CAD and flow simulation software.

These check valves have been tested to hold up to 1,000 psi of backflow pressure without failure, far exceeding the limits of military-grade flapper check valves (the military surplus valves we tested failed below 200 psi). Even though they have extremely high holding pressure, the cracking pressure on these valves is just 0.05 psi!

Every internal component is made from stainless steel to ensure long lasting, reliable performance and compatibility with just about any fluid. The check valve's gasket seal is made from FKM (Viton®), giving it a high operating temperature of up to 302°F. It's also highly chemical resistant and compatible with all types of fuel.

Improved Racing's check valves are made in the USA and are backed by a lifetime warranty.

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