We offer filter cloths for the following types of plates: Gasketed, Non-Gasketed, Centerfeed, Cornerfeed, Membrane, and Plate and Frame.

You can find more information on our web, so please take a look.

Our sales team will offer recommendations of which product to use for your specific needs, considering the required filtrate clarity, flow rate, and cake release of your project.

We place the emphasis on value, which is why we offer products that keep costs down. Our products are of the highest quality, and we offer filter cloths made of the following materials: Polypropylene, Polyester, Cotton, Nylon, Polyester and Felt.

We offer stock cloths in various sizes for quick shipping. We can also customize cloths to match the specifications of your filter press, providing for a perfect fit. Our fabric department maintains a large inventory of rolled goods with a wide variety of filtration characteristics allowing us to customize cloths for almost any filter press application.

When separating solids from liquids using a filter press, the very foundation lies within the filter cloth. This is the front line of the dewatering process. The cloth will separate the fine particles from the water or other type of liquid in your application, forming a filter cake. This is the deposit of solid materials left behind after the filtering process.

Q: How do you select the proper filter cloth?

Filter cloths come in many shapes, sizes, and fabric types. Filtration results can vary depending on the raw materials used and the fiber types, weaves and finishing of the type of cloth being used. Matching the most appropriate filter cloths for a given project requires knowledge of the design needed as well as the process application.  To learn more, see HOW TO SELECT THE PROPER FILTER CLOTH FOR YOUR APPLICATION.

Q: How do I know when to replace my filter cloths?

Filter cloths need replacement when your filter press is no longer forming a solid cake. If you see low pressure despite cleaning, then it is likely that the permeability is too low. After many uses, the particles get lodged so deep in the fabric that neither cleaning nor even chemical washing is worth the time.

If you see impurities in the output and insufficient caking, then your fabric is likely too porous as a result of stretching or warping in the weave, and you should begin to look for a replacement. Remember, because you put these parts through the ringer, they'll need replacing from time to time.

Q: How long will my filter cloths last?

Filter cloth life can be shortened by certain chemicals in the slurry, mechanical wear, abrasion and blinding. Regular cleaning of the filter cloths and preventative measures can help your filter presses to operate at optimal performance levels. 

To learn more, see HOW TO MAXIMIZE THE LIFE OF YOUR FILTER CLOTHS

Q: How can I order filter cloths?

M.W. Watermark' understands that when your filter cloths need to be replaced, every day that you have to wait for new cloths is costing you. That's why we make ordering filter cloths as easy and as streamlined as possible, allowing you to get your operation back up and running quickly, with minimal downtime. For more. See TEMPLATE FORMS MAKE ORDERING FILTER CLOTHS QUICK AND EASY

Q: What are head cloths, intermediate cloths, and tail cloths?

Head Cloth

Usually a single-panel cloth with a center hole, attached to the head filter plate. Other configurations include drape-over and barrel-neck cloths. (Gasketed cloth shown).   Learn more on how to install the head cloth.

Learn more on how to install the head cloth

Intermediate Cloths

These are the filter cloths that constitute the majority of the cloths in the filter press and are attached to the intermediate filter plates between the head plate and the tail plate. (Gasketed cloth shown). 

Tail Cloth

This is the last cloth in the plate stack ' a single-panel cloth without a hole, attached to the tail filter plate, may be a drape-over cloth design. (Gasketed cloth shown). 

Q: What does cloth blinding mean?

When a cloth's porosity is hindered, and the cloth no longer allows the filtrate to flow.

Q: What is the difference between CGR and NG filter plates?

If you are looking for more details, kindly visit BRIGHT.

CGR vs. NG

'CGR' is an acronym for 'Caulked, Gasketed, Recessed chamber.' CGR plates should provide a virtually leak-proof filter press. Cloths for these plates are octagon shaped, with a caulking rope or cord sewn into the edge of the cloth. 'NG' means 'Non-Gasketed.' The NG cloth is faster and simpler to install, though the tradeoff is that occasionally some dripping can happen when using NG cloths.

Q: How do you install filter cloths?

There are two main types of filter plates found in filter presses that require filter cloths to be attached: CGR (Caulked, Gasketed, Recessed Chamber) and NG (Non-Gasketed).  For more info, including CGR toolkit, see options for filter cloth attachment.

Filter Press Cloths

High-Performance Filter Press Cloths | Industrial Filtration Solutions by Clear Edge

Clear Edge has decades of experience in the manufacturing of filter cloth products for horizontal chamber and membrane filter presses. The evolution of the modern filter press had seen a dramatic increase in the physical size and production capacity for certain markets. Our filter cloth portfolio is continuing to evolve and expand to meet these high-performance requirements. As focus moves to environmental considerations such as de-watering of Mine Tailings, Clear Edge is continuing to innovate with heavy weight, mechanically resistant filter fabrics with improved dimensional stability, high flow rates and longer service life.

With the implementation of the chamber filter press across an extremely diverse set of markets, we have a broad product portfolio to match any process, including Mining & Minerals, Chemicals, Food & Beverage, Water Treatment and Building Products. We offer filter cloths that can be tailored to each process. Additionally, we offer innovative solutions for use across many sectors with our Coreflo' barrel neck, and our Azurtex' and Primapor' coated media which are tailored to specific markets such as Dyes & Pigments and Kaolin.

With Advanced Fabrication Techniques

Clear Edge is the Trusted Choice for Filter Press Cloths

At Clear Edge, we pride ourselves on quality and performance with the filter press cloths and the ancillary items that are attached to the press cloth of the plate. Using state-of-the-art equipment, our highly trained fabrication staff ensure that each filter cloth is made to the highest standards.

Automated Sewing

When precision sewing is necessary, for example with the Diastar-type pressure filter, Clear Edge has automated sewing to enable us to produce bags to meet the most stringent tolerances.

Laser Cutting

Clear Edge has laser cutting equipment at every fabrication plant location. Each bespoke item is designed on CADCAM. Capable of cutting today's largest filter cloths, the laser's speed and precision ensure our customers receive the best-fitting product every time.

Edge Sealing

When additional protection from the chance of leakage is required, Clear Edge applies high-performance sealants to fully block the closing faces of the cloths. Using spray booth techniques, we ensure a homogenous sealant layer on every filter cloth.

High Grade Ancillaries

Clear Edge sources the highest-grade ancillary items in the fabrication of our filter press cloths. Matching polymer types, using chemical resistant metals, high-strength hook and loop or specialty polymer zipping, we ensure the performance of our ancillary pieces matches the quality performance of our filter media.

Clear Edge filter cloths are valued by end-users and OEMs running these filter presses:

• Andritz
• Choquenet
• Diemme
• Evoqua
• FLSmidth
• Ishigaki
• Jing Jin
• Jord
• Matec
• McLanahan
• Metso
• Tefsa
• TH Process
• Many others

Contact us for Custom Filter Press Cloths Filtration Solutions or to request a quotation.

Coreflo' Barrel Neck

The service life of a filter press cloth is dependent on several factors including the strength and integrity of the barrel neck which works to join both panels of the filter cloth.

Our Coreflo' barrel neck has been developed to optimise your filter press performance. We applied state-of-the-art technologies to create the unique Coreflo' construction. Using patented welding technology to permanently join an elastomeric barrel neck to the filter cloth, our automated welding process keeps the filter cloth completely flat, with zero possibility of creasing or twisting.

Since Coreflo' is fully welded, there is no chance of product bypass even with the finest particulate in, for example, pigments and fillers or kaolin production. The core is also kept free from solids build-up for easy cleaning. This effectively facilitates a fully automated press due to a better cake release.

Coreflo' is most commonly used in combination with Clear Edge polypropylene filter fabrics. For specific customer applications, we combine it with selected polyamide polymer types in the wastewater treatment and aggregates (sand and gravel) markets.

For customers who want increased operational efficiency and performance in demanding applications, Coreflo' delivers.

Download the Coreflo' brochure

Dualtex'

Dualtex is a double layer weave filter fabric that features a smooth woven surface on the filtration side and a more open, heavier weave on the reverse side which uniquely allows liquid to escape more easily and leaving a substantially drier cake.

The Dualtex weave effectively allows the filter cloth and backing cloth to be combined so that any difficulties associated with fitting two cloths, such as creasing, cake hang up and time off line, are eliminated.

For more filter cloth for filter pressinformation, please contact us. We will provide professional answers.