Products

Duplex Filter

BOLLFILTER Duplex Type BFD-C HDMarine

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Features
Duplex filter for separating solids and aerosols (liquid content) from
gases
Flange Connection
ASME or DIN
¾” – 8” or DN 20 – DN 200
Filter element
Fiberglass/stainless steel disposable cartridges (as normal temperature
and high/low temperature design); Option available for preliminary
separation using demister, cyclone, or cyclone demister all within the
same housing.
Grade of filtration
0,1 - 250 µm
Operating pressure
> 500 bar (size and temperature dependent)
Filter housing
- carbon steel (St 45-8 / A106B)
- stainless steel (1.4404 / 316L)
- non-welded
General Accessories and
Special Equipment
1.) Connecting elements
Flexible connection possibilities
e.g., flanged, NPT, weld-on ends, ball valves, needle valves

2.) Instruments
Differential pressure connections such as optical and optical/electrical
differential pressure measurement systems

3.) Materials
Filters available on request in Duplex or Super Duplex

4.) Optional equipment
Cover lifting/pivoting mechanism
Cover safety device
Special accessories for gas
filtering
Pre-separator for liquid reduction / cyclone and cyclone demister

In addition to standard, filters also available in Duplex and Superduplex
(on request)

Liquid level switches

Magnetic level indicator

Bulls Eyes

Adaptable fluid reservoir for saving the separated fluid