Hydraulic Filtration
Duplex Filters / Inline Filters, Switchable
For the separation of solids and pressure fluids and lubricating oils.
Duplex filters are used in hydraulic systems for separating solid materials from the hydraulic fluids and lubricating oils. They are intended for installation into piping. The filter element can be changed without any operational interruption.
Advantages
Duplex Filters / Inline Filters, Switchable – Your customer benefit at a glance:
Very low leakage in the changeover
Optional measuring point at inlet and outlet
Pressure compensation function as standard
Various mounting options, wall and head mounting
Leakage-free check valve on the clean side
Product variants

50 LD (N)
Very low leakage in the changeover
Optional measuring point at inlet and outlet
Pressure compensation function as standard
Various mounting options, wall and head mounting
Leakage-free check valve on the clean side

150LD (N)
Very low leakage in the changeover
Optional measuring point at inlet and outlet
Pressure compensation function as standard
Various mounting options, wall and head mounting
Leakage-free check valve on the clean side

210 / 250LD (N)
Very low leakage in the changeover
Optional measuring point at inlet and outlet
Pressure compensation function as standard
Various mounting options, wall and head mounting
Leakage-free check valve on the clean side

400 LD (N)
Very low leakage in the changeover
Optional measuring point at inlet and outlet
Pressure compensation function as standard
Various mounting options, wall and head mounting
Leakage-free check valve on the clean side

50FLDK
Cyclone effect
Dirt trapping area to relieve the filter element
Standard measuring point at inlet and outlet
Identical wall mounting and foot mounting for all nominal sizes
Lifting eye for easy installation

63FLDK
Cyclone effect
Dirt trapping area to relieve the filter element
Standard measuring point at inlet and outlet
Identical wall mounting and foot mounting for all nominal sizes
Lifting eye for easy installation

40FLD / 40 FLD (N)
Element change possible without tools
Filter element change possible from above
drain screw
Bypass valve at the highest position of the filter cover (no gas / air accumulation)
Various optional connection variants (position and flange pattern)

100FLD (N)
Filter element change possible from above
Optical maintenance indicator
Drain plug
Bypass valve at the highest position of the filter cover (no gas / air accumulation)
Various optional connection variants (position and flange pattern)

16FD
Ceiling lift-off device (from NG4000)
Air vent valve
Visual maintenance indicator
Drain plug
Bypass valve at highest position of filter cover (no gas / air accumulation)

16FDK
Ceiling lift-off device (from NG4000)
Air vent valve
Visual maintenance indicator
Drain plug
Bypass valve at highest position of filter cover (no gas / air accumulation)