Witches Hat Strainer Flow Direction

Witches hat strainers can be installed in two ways.

One is the tip of the cone strainer can be installed downstream (downstream), and the other is installed upstream (upstream).

Two factors influence the choice of installation method.

One is the accommodation space of the pipeline filtration system. In which direction is there enough space to install the temporary filter.

The other is the preferred flow direction set according to the working conditions.

1. Downstream installation

As shown in the figure, the temporary filter is installed with the cone pointing downstream. In this installation, debris will be captured by the tip of the filter. However, the center of the pipe is subject to higher velocity, and the velocity difference will cause particles to accumulate in the center. This may cause the cone filter to tear.

Recommendation: If installed downstream, reinforce the filter to ensure mechanical stability.

2. Counter-flow installation

As shown in the figure, the temporary filter is installed with the cone pointing upstream. Debris is swept to one side of the filter and particles accumulate inward on the outside of the pipe. This installation is more suitable for high flow rates and is more common.

Installation Tips

To ensure the correct installation of a witches hat strainer, consider the following tips:

▪ Follow Manufacturer Instructions: Always adhere to the manufacturer’s guidelines for installation, as different designs may have specific requirements.

▪ Check the Flow Arrow: Many witches hat strainers have an arrow indicating the correct flow direction. Ensure this arrow points in the direction of the fluid flow.

▪ Regular Inspections: After installation, regularly inspect the strainer to ensure it is functioning correctly and that no debris is bypassing the filtration process.

Proper installation and regular maintenance are key to ensuring your witches hat strainer operates effectively, keeping your plumbing system clean and running smoothly.

Feel free to contact us or leave a comment below! We work around the clock to ensure we are always aware of your needs.

Click here to learn about>> Temporary Strainer Cone Basket and Flat Type

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