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Filter Screens for Pharmacy and Chemical Industries
Boegger Industrial Limited filter discs are plain or twill woven by quality stainless steel wires, black iron wires or copper wires, and are cut into different diameters according to customers' request. And our discs can also be welded into multilayer filter discs in round, square, or rectangular shapes. The discs are mainly used in pharmacy and chemical industries to filter gas, liquid and oil. They have the advantages of acid-resisting, alkali-resisting and corrosion-resisting.
Five filter discs with different mesh counts and the two smallest have metallic margins, three don't have margin.
Filter discs with high mesh number can better stop the foreign particles into liquid or gas.
wo small filter discs on a large multilayer filter disc which has several welding spots on the margin.
Multilayer spot welding filter discs have better filter function than general single layer filter discs.
Specifications:
Mesh material: **2, **4, **4L, **6, **6L, **4L stainless steel wires, Monel **0, Hastelloy, phosphor bronze wires, brass wires, black iron wires, galvanized iron wires, aluminum sheet.
Mesh count: *2 - **0.
Marginal materials: stainless steel, aluminum, nickel-plated copper.
Wire diameter: 0.*2mm - 2.5mm.
Weave type: plain weave, twill weave, dutch weave, twill dutch weave, reverse dutch weave.
Working temperature: ***0°C - **0°C.
Open area: *5% - *5%.
Filtration precision range: 0.5μm - **0μm.
Standard: GB******5, ISO***1, SGS, AISI, CE.
Hole shape: square, round.
Types of wire mesh filter discs:

According to processing styles:
Woven mesh filter disc.
Crimped mesh filter disc.
Expanded metal filter disc.
Perforated metal filter disc.
According to shapes:
Round filter disc: diameter *0mm - ***0mm.
Toroidal filter disc: inner diameter *8mm - **0mm, outer diameter *0mm - **0mm.
Oval filter disc: length *0mm - **0mm, width *0mm - **0mm, radius *0mm - *5mm.
Rectangular filter disc: length *0mm - ***0mm, width *0mm - **0mm.
Irregular filter disc.
According to layers:
Single layer filter disc.
Multilayer filter disc.
According to technology:
Multilayer spot welding filter disc.
Multilayer trimming edge filter disc.
Three filter discs with metallic margin, and they have different diameters and mesh numbers, one of them has large square mesh hole.
Filter discs with large mesh hole can stop big foreign particles, then the filter discs with smaller mesh hole can stop the smaller particles.

Advantages:

Corrosion resistant.
Acid and alkali resistant.
Good antirust property.
High tensile strength.
Wear resistant.
High rigidity.
Heat resistant.
Accurate filter precision.
High dirt holding capacity.
Low pressure drop due to high porosity.
Stable filtering performance.
Wide range of suitable environment.
Convenient combination, installation and maintenance.
Reusable after washing.
Long service life
Applications:

The filter discs, also filter meshes we produce are mainly used for solid-liquid separation, gas-liquid separation, or in industry of petroleum, chemical industry, chemical fiber spinning industry, metallurgy, pharmacy, ceramic, sewage treatment, food and beverage, cosmetic, etc. And they are best suitable for liquid filtration, dry filtration and gas filtration.

Our filter discs can efficiently filter the suspension, particles, rust , dirt and other impurities in the tap water, industrial water, living water, electroplate liquid, chemical liquid and oil.

One irregular filter disc with seven welding spots on the margin.
According to customers different request, we can produce filter discs to satisfy customers' specific demands.

Eight toroidal filter discs with metallic margins and they are all one perforated disc within two woven meshes.
Toroidal filter discs are used in special places, and the perforated discs inside them can protect the discs not to be destroyed by particles.