Witches Hat Strainer Pressure Drop

Perforated strainers mesh lined strainers and even specialty cones with anti vibration rings are available upon request.

Witches hat strainer pressure drop. I ve flowed a bunch of gas through fairly small witches hat strainers and never been able to measure a dp on a clean strainer. Strainers are typically used in temporary service. In most cases you will notice the layers of wire cloth which serves as the filtration element. The typical witches hat cone designs can be supplied as well as the pilgrim hat or basket type strainer.

Things that are known about the filter material are open area percentage of total area and mesh size. Ability to easily remove the strainer. Cone strainers are typically supplied in 304 or 316 stainless steel but other materials are available. The strainer manufacturers i ve talked to don t seem have a decent method of determining pressure drop.

The first thing you notice looking at a witch hat strainer is its unique make. Witch hat filter design. Standard lengths are 100 and 150 open area ratio. The strainer should be slightly smaller than the smallest piece of debris that is expected to flow through it.

Delta manufactures all types of strainers inline strainers startup strainers witches hat strainers per customers specifications. We fabricate temporary cone strainers or witches hat strainers using heavy gauge stainless steel perforated metal. Witch hat filters design. As mentioned earlier in the article it takes up the shape of a cone.

If the perforations are too small a high pressure drop could develop across the strainer and cause it to fail.