What is the difference between a spring check valve and a swing check valve?

A spring check valve features an axially guided sprung loaded disc to prevent reverse flow. Swing check valves offer an obstacle-free passage and suitable for clean and wastewater applications. Spring check valves are only suitable for clean media’s due to the disc in the flow path.

Can a swing check valve be installed vertically?

Yes, you can install our range both vertically and horizontally. They are generally horizontally installed but depending on the required set-up, they can be installed vertically if required.

What is the swing check valve maintenance?

There is minimal maintenance required, the art that requires the most attention is the disc which will need to be checked and cleaned periodically. As part of the installation, a level is usually fitted so that it can be easily checked with minimal disruption.

What is the swing check valve operating pressure?

The maximum working pressure is 16 Bar.

What is better, swing check valves or ball check valves?

Both valves are suitable for wastewater, and the choice will depend on the final system design and usage. The ball check valve is self-cleaning by design, although generally rated to lower working pressures.

Check Valves

With over 35 years of innovative valve design experience, T-T’s check valves feature both a lightweight and robust construction for long and reliable operations. Our range of automatic check valves are suitable for use in potable, clean and wastewater applications; with swing, wafer, axial, ball, non-slam recoil and backflow preventer designs available.