Filter Belts for Continuous Screen Changers

A roll of stainless steel reverse dutch filter belt and a screen changer.
CBE-01: continuous belt screens are ideal for continuous screen changers

Continuous belt screens, refers to reverse dutch weave filter belts made of stainless steel wires. The continuous (automatic) belt screens are innovation of extruder screens. They are used for screening impurities out of molten plastic. Used with screen changers, the automatic belt filter system allows continuous and uninterrupted production and high filtering performance in cast film and blown film production and other plastic filtering process.

Specifications

  • Material: stainless steel 304, 304L, 316, 316L, etc.
  • Popular belt width: 10 cm, 12 cm, 15 cm, 19 cm, 21 cm and other customized. Maximum width is 0.5 m.
  • Standard length: 10 m and special orders are accepted.
  • Popular mesh size
    • 48 × 10 mesh for 400 nominal micron.
    • 72 × 15 mesh for 250 nominal micron
    • 132 × 17 mesh for 170 nominal micron
    • 152 × 24 mesh for 160 nominal micron
    • 260 × 40 mesh for 55 nominal micron
A roll of reverse dutch continuous filter belts on the table.
A detail of continuous belt screen.

Advantages:

  • Continuous (automatic) belt filter has the resistance to acid, alkali, corrosion and high temperature.
  • More effective in extruder screening and better filtration performance.
  • Wide ranges of mesh sizes for different filtration requirements and grades.
  • Suitable for various automatic screen changers.
  • Uninterrupted replacement for effective production.

Applications:

  • The continuous belt screen is widely used in various screen changers to filter out impurities in the polymer extrusion process without interrupting the process.
  • It is mainly used for filtering cast film and blown film, compounding, resin production, nonwovens and specialty materials.
  • This type of filter screen are widely used for plastic extrusion and melt filtration in plastic industry for PP, PS, PVC, PET, PE, ABS, PMMA in belt style continuous screen changers.
Several rolls of filter belts on the ground.
Several rolls of filter belts on the shelf.
Popular Sizes of Continuous Belts Filter (Reverse Dutch Weave)
Mesh Size (warp/inch × weft/inch) Wire diameter (mm) (warp × weft) Fineness of filtering (micron) Weight (kg/m2) Width (mm) * Length (m)
48 × 10 0.5 × 0.5 400 3.63 40–210 10,000
63 × 18 0.4 × 0.6 220 4.14 40–210 10,000
72 × 15 0.45 × 0.55 250 4.78 40–210 10,000
100 × 16 0.35 × 0.45 190 3.87 40–210 10,000
107 × 20 0.24 × 0.60 210 3.34 40–210 10,000
120 × 16 0.35 × 0.45 180 4.49 40–210 10,000
132 × 17 0.32 × 0.45 170 4.24 40–210 10,000
152 × 24 0.27 × 0.4 160 3.73 40–210 10,000
160 × 17 0.27 × 0.45 160 2.02 40–210 10,000
170 × 18 0.27 ×0.45 160 4.01 40–210 10,000
171 × 46 0.15 × 0.30 130 2.00 40–210 10,000
180 × 20 0.27 × 0.45 170 4.29 40–210 10,000
200 × 40 0.17 × 0.27 120 2.17 40–210 10,000
240 × 40 0.15 × 0.25 70 1.98 40–210 10,000
260 × 40 0.15 × 0.27 55 2.19 40–210 10,000
290 × 76 0.09 × 0.19 40 1.27 40–210 10,000
300 × 40 0.15 × 0.25 50 2.31 40–210 10,000
300 × 80 0.15 × 0.2 35 2.49 40–210 10,000
Special specifications can be customized upon customers' requirements
* Maximum width is 500 mm.

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