Filter
Your foundation for smooth processes.
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In increasingly complex processes, water quality plays an important role. Filters ensure that processes run smoothly and highest standards can be maintained, making them crucial in many industries. These industries include steel and paper production, water treatment in power plants, snowmaking, and chemical manufacturing. At SCHMACHTL, we offer a wide range of filters that ensure clean water and other liquid media or gas.
We
deliver
value.
Comprehensive services - from technical consulting to maintenance - ensure you optimal support in every project phase. Here you can find our SCHMACHTL services.
With our regional presence, we are always close to you and quickly available for you.
We offer you a diverse selection of products and solutions for your individual needs.
We develop custom special solutions tailored perfectly to your requirements.
Simplex filter– Your simple and compact basic solution.
With our Einfachfilter, we offer you a basic solution of filtration technology that convinces with effortless maintenance and a compact design.
Suitable for the following media:
- Water
- Gas
- Oil
- Hydrogen
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BOLLFILTER Simplex Type BFB-P M Gas Filter
- Special features: Flexibility regarding connections, material, and design, covering almost all applications in the field of oil filtration.
- Nominal size: Up to DN 200 (larger sizes available on request)
- Housing material: Steel, stainless steel, without weld seam
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BOLLFILTER Simplex Type 1.03.2
- Special features: Simple filter for low pressures
- Nominal size: DN65 – DN 300
- Housing material: Spheroidal graphite cast iron
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BOLLFILTER Simplex Type 1.12.2
- Special features: Simple filter for small volume flows
- Nominal size: DN25 – DN 80
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BOLLFILTER Simplex Type 1.65.1 / 1.53.1
- Special features: Simple filter for high pressures and coarse filtration
- Nominal size: DN50 – DN 1000
- Housing material: 1.53.1 Stainless steel; 1.65.1 Steel
Duplex Filter – For uninterrupted operation.
Our duplex filters have two filter housings that can be used alternately. This helps to minimize your downtime and allows for efficient filtration by enabling continuous operation of the system during maintenance or filter element replacement. Use our duplex filters in applications where continuous filtration is essential and continuous operation is necessary.
Suitable for the following media:
- Water
- Gas
- Oil
- Hydrogen
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BOLLFILTER Duplex Type BFD-P HD M Gas Filter
- Special features: Ideal for separating solids / dirt particles from gases.
- Nominal size: Up to DN 200 (others available on request)
- Housing material: Steel, stainless steel, without weld seam
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BOLLFILTER Duplex Type BFD
- Special features: Filter with cast housing and ball valve switching
- Nominal size: DN25 - DN 150
- Housing material: Spheroidal graphite cast iron, stainless steel cast, cast steel
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BOLLFILTER Duplex Type 2.04.5
- Special features: Spheroidal graphite cast iron filter with Plug changeover value for small volumes
- Nominal size: DN25 - DN 80
- Housing material: Spheroidal graphite cast iron, stainless steel cast
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BOLLFILTER Duplex Type 2.05.5
- Special features: Spheroidal graphite cast iron filter with Plug changeover value for large volumes
- Nominal size: DN100 - DN 250
- Housing material: Spheroidal graphite cast iron
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BOLLFILTER Duplex Type BFD-P HD M
- Special features: High pressure up to 500 bar; flange, NTP, weld connections available; optional equipment available
- Nominal diameter: up to DN 200
- Housing material: Stainless steel, duplex, super duplex, without weld seam
Automatic Filters – Your solution with self-cleaning mechanism.
With a self-cleaning mechanism that regularly flushes out impurities to avoid blockages, our automated filters are your ideal solution for continuous operation. They are particularly suitable for systems where manual cleaning is not easily achievable.
Suitable for the following media:
- Water
- Oil
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BOLLFILTER aquaBoll® self-cleaning water filter
- Features: Backwashable dirt collector with adaptive filter elements
- Nominal size: DN 50 – DN 1400
- Housing material: Spheroidal graphite cast iron, carbon steel, and stainless steel
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BOLLFILTER Automatic Type 6.18
- Special features: Welded backwash filter for water
- Nominal size: DN 500 - DN 1000
- Housing material: Steel, rubber-coated steel, stainless steel, special alloy
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BOLLFILTER Automatic Type 6.04
- Special features: Automatic filter for water and coolant
- Nominal size: DN 40
- Housing material: Aluminum, hard-coated
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BOLLFILTER Automatic Type 6.64 KSS
- Special features: Backflush filter for coolants
- Nominal size: DN 100 - DN 400
- Housing material: Spheroidal graphite cast iron (optionally nickel-plated inside)
Our Extra Services – For Your Successful Future.
A partnership that delivers added value to you with enthusiasm and expertise.
When you work with us, you get more than just a product. We are your all-round partner for selected areas. We work with you to find the right solution for your needs and support you from the initial consultation through to commissioning and maintenance.
Our SCHMACHTL Services
Our SCHMACHTL "S" stands for the solution path that we define together with you and walk in a partnership collaboration with you. We support you with the following services:
Technical Consulting & Planning
Our experts will advise you online, by phone, or on-site for the best solution.
Installation & Commissioning
Professional implementation and support during the introduction.
Storage Stock
Through our storage stock, we ensure a safe and fast supply of your products.
Maintenance & Repair
We ensure the longevity and efficiency of your products and systems through regular maintenance services.

Our delivery partner for your filters.
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Walking common paths –Your process & measurement technology contact.
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With competence, enthusiasm, and strong advisory skills, we accompany you to success. Schedule your personal consultation appointment - we look forward to your inquiry!

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