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Spiral Press Filtrate Fabrics for Dewatering

Category: Spiral Filter Fabric
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Product Manual:Spiral Press Filtrate Fabrics to Dewater Industrial & Municipal Sludge

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  • PRODUCT DETAIL


                            

  Spiral Press Filtrate Fabrics to Dewater Industrial and Municipal Sludge, High Wearing-Resistant Belt, Monofilament Filter Belt, Monofilament Filter Fabrics, Polyester Filter Fabrics

                                

Made by World-Class Heatsetting Tables and ISO 9001 Quality Assurance System




Spiral filter fabrics are made of abrasion resistant PET. They contain a strong spiral seam, which has the same tensile strength as the fabric. In comparison with the clipper seam on woven fabrics, the seam on spiral fabrics has a longer service life and does not fail prematurely. It is no longer the weak point of the belt.

Dewatering properties of the fabric are given by its air permeability, which can be adjusted by inserting a suitable type of filler yarns inside the spirals. We offer spiral fabrics in the range of air permeability form 250 to 900 CFM.

Spiral fabrics are especially suitable for dewatering of fibrous material (paper sludge, pulp) and sludges with a high content of inorganic particles (e.g. mining sludges), but they can also be used for dewatering of treated municipal sludge. If the sludge has a high content of organic particles or if it is sticky and muddy, there is a risk of spiral fabric blinding.

Benefits:

Long service life

Suitable especially for machines where belt deformation often occurs

Abrasion resistant design

No problems with the seam

Smooth adhesive treated belt edges

Suitable for fibrous sludges

Examples of Application:

Dewatering of pulp and paper sludge

Dewatering of industrial and municipal sludge in belt filter presses

Dewatering of mining and abrasive sludge

Thickening of sludge in gravity thickeners

Forming belt for production of MDF boards

Conveyor belts

Fabric Designs

M-Spiral

Air permeability range: 250–900 CFM
Caliper:2.1mm
Spiral yarn diameter: 0.6mm

Spiral fabric with fine spirals and a high density of spiral yarns

Spiral FLEX

Air permeability range: 250–900 CFM
Caliper:2.5mm
Spiral yarn diameter: 0.7mm

Spiral FLEX is a widely used spiral filter fabric with flat filler wires. It is used in a wide range of industrial applications, including the dewatering of sludge in waste water treatment plants.

HeavySpiral

Air permeability range: 550–900 CFM
Caliper:3.1mm
Spiral yarn diameter: 0.9mm

Heavy-duty spiral fabric with long service life for very abrasive sludge, used for dewatering of pulp and mining sludge.


Specification

Style

FH053R02

Material

PET

Yarn Diametermm

warp

1.05/PET

weft

0.90/PET+ round coreφ0.7*2

Air Permeability (at 127Pa)

L/m2.S

29503150

CFM

580620

Air Permeability (at 200Pa)

L/m2.S

38004000

CFM

750790

Water Permeability

(at 1200Pa)

L/m2.s

310330

Thickness

Mm

3.20

Breaking Tensile

N/cm

1200

Elongation

(warp direction)

%

Elongation %

500kg/m

0.54

Weight

g/m2

2163

Interception Accuracy

μm

12001300



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