The following article will inform you about temporary strainers. There are different types and names of temporary strainers. Some examples are conical strainers, cone strainers, witches hat strainers, plate type strainers, and temporary basket strainers.
Conical strainers are in the shape of a cone. Hence why they are also called cone strainers. A temporary conical strainer is a perforated device of woven mesh to catch particles in a pipeline.
Moreover, a conical strainer can catch particles down to .001 inches in diameter or 25 microns. In addition, cone strainers have a slight pressure drop, and you can remove them.
Also, we can weld the screen cone around the entire circumference of the flange ring. This provides strength and prevents unwanted bypasses.
Finally, we recommend that all new piping systems have temporary strainers. These are removable strainers with a large mesh installed at the beginning of a new pipeline.
Size: As standard, range sizes from 1/4” to 60” nominal pipe size.
Open Area: Range in an open area of strainer to the cross-section area of the pipe from 100% to 300% as standard.
Material Thickness: The gauge of strainer material ranges between 22 to 11 depending on hole size.
Temporary Basket Type Strainers
Perforated Plate – Perforated plate is the most used media for basket strainers and is available in perforation sizes 1/32″ to 1/2″ diameter, depending on the degree of straining required and size and type of basket. For maximum strength, we provide perforations on a staggered pattern.
Perforation: Perforation hole sizes range from 1/16” to 1/4” as standard.
Type of Material: Materials include carbon steel, various grades of stainless steel, and alloys.
Flange/Facings: Temporary strainer support rings can work with conventional flanges, such as raised face flanges and ring-type joint flanges.
Welding: Resistance welding, TIG, and Oxyacetylene.
Liners/Covers: Small particle removal 200 through 10 mesh carbon steel, stainless steel, etc.
Straight Flow – Mesh on the inside.
Reverse Flow – Mesh on the outside.
Cone Type Strainer
Example: Include full description.
4” Temporary Cone Strainer, Stainless Steel, ASME Class 150, 150% Open Area and 1/8” Perf. Screen.
In general, when ordering, specify:
- First and foremost, temporary strainer size.
- Second, tell us the pipe size.
- Then let us know the pressure rating/flange rating.
- Subsequently, tell us the perforation or mesh size and material.
- Know the style – Cone, Basket, etc.
- In addition to the direction of flow – straight or reverse.
- Lastly, the percentage of open area or length that you need.
Plate Type Strainer
Plate-type strainers involve a flat plane of mesh that stretches perpendicular to the system’s flow.
Removing dirt and other impurities during production is essential in most processes. Therefore, a strainer is very important for the oil and energy process. Moreover, a strainer in the piping system means a cleaner product, equipment protection, and simple solids from liquids.
The temporary strainer removes seeable items from the line. As a result, small liquid waste can pass through. When the amount of material removed from the stream is relatively small, you can use a filter. The filter is cleaned manually by turning off the drain and removing the filter cap.
By installing a strainer, a marked improvement in chemical operation and guarantee of a longer equipment life are possible. In addition, industrial and municipal strainers remove items from lakes, rivers, and wells that can damage or clog equipment.
Temporary basket strainers also remove leaves, insects, feathers, etc., from the cooling towers where the system is open to the atmosphere. Witches hats remove unwanted material from the water for desalination equipment before being treated to remove the salt.
Temporary Basket Strainers
The temporary basket strainer can also remove unwanted material from a piping system. For example, clumps of debris can damage expensive products. However, you can prevent this when using a basket strainer.
Witches Hat Strainers
Witches hats, called conical strainers, are used in many applications to protect downstream process system components in many industries, such as chemical processing, petroleum, power generation, and marine and water treatment. In addition, it would be best to use conical strainers in LNG on startups.
The steam system could cause large amounts of condensation. As a result, you can install steam traps to remove condensation. In addition, the second strainer is placed parallel to the primary strainer, and you can deflect flow through the two strainers.
Therefore, cleaning the filter unit is easier while the system is still operating, reducing downtime for maintenance. The large strainer surface offers a long service life and minimum pressure drop. The flow coming from the inside to the outside provides maximum strength.
They protect pump valves and control systems. In a continuous production process, they serve to ensure long-lasting plant protection.
In addition, the conical strainer is a highly cost-effective solution.
You must install strainers upstream of each steam trap, flow meter, and control valve.
The temporary strainer design is in the form of a conical filter.
Installing a temporary pipeline strainer in front of expensive process equipment protects against damage from scale, dirt, or by-products, preventing costly downtime. In addition, pipe strainers keep the flow meter and spray nozzle from clogging.
Fabricated Temporary Strainers
We officer fabricated temporary pipeline strainers in cone or witches hat strainers, baskets, or plate strainers. Fabricated temporary strainers help the initial startup. However, it would be best not to use cone strainers as a permanent straining solution. Instead, we recommend using y-strainers, basket strainers, tee strainers, or duplex basket strainers.
Temporary witches hats, temporary basket strainers, and plate-type strainers can be truncated. We can fabricate temporary cone or basket strainers to any length in many different types of metals. However, standard lengths are 100% or 150%. Lengths refer to the open area of the cone or basket to the cross-section of the inlet pipe.
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