What Are the Different Types of Filter Screen Edges?

Filter screen edge type refers to the way the filter screen is connected to the frame, which directly affects the stability and durability of the filter screen. Different filter screen types and frame types require different edge types to suit different working conditions and separation requirements. We will introduce you to the wrapped edge and hook strip of the filter screen. We hope you find them helpful.

Filter Screen Edges – Wrapped

Wrapped edge of the filter screen refers to an additional protective layer around the filter screen, usually made of rubber or plastic material, to increase the strength and abrasion resistance performance of the filter screen. It is suitable for various shapes and sizes of separators and can also be customized with different colors and materials of wrapped edges according to clients' needs.

Advantages

Prevent the filter screen edges from being worn or torn to extend the life of the filter screen.
Reduce friction between the filter screen and the frame to avoid noise and vibration.
Improve the sealing performance of the filter screen to prevent material leakage or overflow.
Increase the aesthetics of the filter screen and enhance the overall image of the frame.

Materials

Rubber: It is a commonly used material for wrapped filter screen edge, which has good elasticity, wear resistance performance and excellent sealing, and can adapt to different temperature and humidity conditions.
Canvas: It is a fiber-based material for wrapped filter screen edge and has good flexibility and breathability, which can reduce friction and noise between the filter screen and the frame, and can also protect the fine mesh from premature wear caused by contact between the metal and the mesh.
Stainless Steel: It has good strength and wear resistance performance, prolongs the service life of the filter screen, also has the function of anti-corrosion and oxidation, keeping the filter screen polished and beautiful.

Installation

Epoxy: Epoxy mounted pretension filter screens with smooth surfaces allow functional tension to be maintained and the secondary application provides 100% encapsulation of edge wires.
Welding: Welding is an ideal solution when any part of a process could cause an adverse chemical reaction with epoxy, or high-temperature applications preclude the use of epoxy.

Epoxy canvas wrapped edge

A filter screen with a welded stainless wrapped steel edge

Welded stainless steel wrapped edge

Rubber, canvas and stainless steel, epoxy wrapped edges

Filter Screen Edges – Hook Strip

Hook screens with strips are used to classify materials of different particle sizes, and they have important applications in many minerals, sand and agricultural processes.

Advantages

Mesh opening range from 0.074 mm to 6.87 mm, which can meet different grading requirements.
Galvanized as standard, also available in stainless steel to resist corrosion and wear.
Provide alternatives to machines such as Rotex.
Quick and easy installation and replacement to save time and labor.
Increase the effective sieve area and improve separation efficiency and throughput.
Change the material movement trace on the surface of the filter screen and increase the chance of contact between the material and the filter screen hole to improve separation quality.

Types

Reinforced shroud banded hook strip: The hook strip is folded once and suitable for round or oval screen filter frames.
Double folded reinforced shroud hook strip: The hook strip is folded twice from opposite directions and suitable for folded screen filter frames.

Reinforced shroud banded hook strip

Reinforced shroud canvas banded hook strip

Double folded reinforced shroud canvas banded hook strip

Hook screens with reinforced shroud banded hook strips

Double folded reinforced shroud banded hook strip

Double folded reinforced shroud banded hook strip measurement

Filter screen edge type is a complex and important issue that needs to be considered based on a variety of factors. We manufacture filter screens that are suitable for replacing most manufacturers' equipment and are compatible with end-of-life OEM machines such as Sweco, Kason, Midwestern, etc.

If you have any other questions or needs, please feel free to contact us and we are proud to serve you.