BOLLFILTER Duplex Type BFD

Cast filter with ball changeover valve
Flange Connection
DN 25 to DN 150
Switch-over
Ball valve
Filter element
Star pleated element
Basket element
Filter cartridges
Disposable filter cartridges
Grade of filtration
0.5 µm to 5 mm
Pressure stage
PN10 / PN16
(Higher pressures on request)
Filter housing
Spheroidal graphite cast iron
Cast steel
Stainless steel casting
Optional equipment
Differential pressure indicator
Version: optical or optical/electrical
Nickel-plated housing
Stainless steel changeover ball
Cover lifting and swivel device for DN125/ DN150
Lid lock
Medium
Water
Oil
Fuel
Chemical liquids
Design code
AD2000
ASME
EN13445
API 614-compliant
BOLLFILTER Duplex Type BFD

BOLLFILTER Duplex type BFD: the versatile cast filter with ball valve changeover

The BOLLFILTER Duplex type BFD is a high-quality cast filter that is equipped with a ball valve switch. This allows the user to easily switch the filter during operation and thus ensure uninterrupted filtration.

Thanks to its robust cast construction, the BOLLFILTER Duplex type BFD offers high resistance to pressure and temperature fluctuations as well as chemical influences. This makes it ideal for demanding applications in various sectors such as the chemical, oil and gas industries.

The integrated ball valve switchover makes this filter extremely user-friendly to operate. By simply turning the lever, it is possible to switch back and forth between the two filter housings without having to shut off the medium or change the direction of flow. This function not only saves time during maintenance work, but also ensures that no unwanted contaminants enter the system.

In addition, the BOLLFILTER Duplex type BFD has large sieve surfaces inside the housing, which enables efficient filtration of solid particles of different sizes. The fine mesh sizes guarantee maximum purity of the filtered medium. Fully API 614 compliant, this filter maintains a proper balance of cost and performance.  The compact size and ease of operation make this and ideal choice for most oil applications.

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For the filtration of ▶ water ✓ lubricating oil ✓ fuel ✓ machining coolants ✓ component wash solutions ✓ chemicals ✓ duplex filter ▶ Find out more!
BOLLFILTER Duplex Type BFD
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Jörn Grotepaß, Head of Business Unit Compressors & Turbines Boll & Kirch Filterbau GmbH
Jörn Grotepaß Head of Compressors & Turbines Filtration

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