Polymer Filtration

Extruder Screens, Spin Packs & Polymer Melt Filters High quality filtration requires high quality media. Dorstener Drahtwerke is a fully integrated company that not only produces polymer filters and extruder screens, we produce much of the media we use in our filters. Our fully integrated manufacturing facilities allow us to offer high performance filters direct from the manufacture at an economical cost. Proper filter design is critical. Questions that need to be asked are: - What level of filtration do you require? - Are your screens or filters back flushed during operation? - What is the type...

Virgin Resin Production and Compounding Polymer manufacturing requires numerous types of filters to produce the highest quality resin. - Custom filter elements to your specifications and requirements. - Screen pack optimization and wide selection of alloys for demanding environments: 304ss, 316ss, Alloy 20, Inconel, Hastalloy, Nickel 200, Monel Pleated Extended Area Elements and many more. - Ultrasonically cleaned packs. - Cleanable elements or packs. Pleated / Extended Area Packs Dorstener produces filtration components for standard and custom resin production, as well as compounding of resins....

Plastic Recycling There are many styles of filtration products used in the plastic recycling industry. Dorstener Drahtwerke can supply you with all of them. Dorstener has the expertise and manufacturing capabilities to design superior packs to aid in the following: − Product Throughput vs. Filtration Requirements. − Screen pack performance & cost. − Vendor Stocking Programs so you never are without screens. − Domestic and International Manufacturing. − Single disc screens for ultimate flexibility. − Spot Weld & Rim Bound packs for easy of handling. Considering all the factors that impact processing...

Synthetic Fibers and Filaments Synthetic fiber and monofilament production require many styles of filters. From different shape spinnerets and multiple filtration requirements, Dorstener offers a full range of spin packs and accessories. Fiber Felt Media Frame Packs & Spot-weld Packs Spin Pack Screens require quality from the start. − Media made of woven wire mesh (from 5 μm) − Sintered metal fibre felt media (from 5 μm) − ISO certified quality assurance systems: We control our woven Pleated & Extended Area Filters and metal fibre media − Visual and automated inspection systems for media and...

Specialty & Blown Film Filters Dorstener Drahtwerke understands that the manufacturing optical film and display films include strict Dorstener Drahtwerke can produce quality control standards. filters that will help eliminate any anomalies such as carbon specs and the presence of gel from your melt stream. Film Production Pleated Candle Elements and Leaf Disc Filters: Dorstener Drahtwerke provides pleated elements and Leaf Disc Filters made with both woven mesh and sintered fiber felt. Dorstener provides pricing and lead-time for filter elements that is unparalleled in the market place. Pleated...

Auxiliary Production Components Dorstener Drahtwerke also provides a vast array of auxiliary components used in the polymer processing industry. These products might not be consumed at the same volume as process filters but can be just as costly if not managed correctly. Gaskets Gaskets Gaskets of many alloys (most commonly aluminum) are synthetic fiber production and provide the seal necessary for optimal spin pack performance. Vacuum Screens Like any air system it’s critical that the filters in your material transport lines are kept clean and replaced. Vacuum Screens Dryer Filters Keeping fines...

Dorstener Drahtwerke H.W. Brune & Co. GmbH Postfach 100 280 Marler Straße 109 D-46282 Dorsten