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Duplex filter

Change-over valve with an open centre position. A locking device for both end positions and the middle position. Safety guards ensure that pressure is released prior to opening the filter.

Flow direction

From out to in

Connections
  • Flanges SAE 2” 3000-M
  • SAE 2½” 3000-M.

Inlet and outlet pressure connections 3/8” for an external differential pressure transmitter

Operating pressure

Maximum 25 bar

Seal material

Fluoroelastomer

Operating temperature range
  • -20 to 120°C 
  • -20 to +160°C when using metal mesh elements 
Housing material

Cast iron (GSJ)

Weight

135 kg

Flow rate

Maximum 800 l/min (48 m3/h)

Bypass valve

Standard bypass opening pressure 3.5 bar, optional opening pressure 1.7 bar or a blocked bypass.

Indicator options

Integrated indicator port. Filter can be equipped with a visual, an electrical or an electronic differential pressure indicator. Standard indicator setting 2.5 bar used with 3.5 bar and blocked bypass; and setting 1.2 bar with 1.7 bar bypass.

Options:

  • No indicator block
  • Indicator port plugged
  • Visual indicator
  • Electrical indicator
  • Electronic indicator (PNP/N.O.)
  • Electronic indicator (NPN/N.O.)
Filter element

iprotect® glassfibre elements, micron ratings(abs):

  • 2 μm
  • 5 μm
  • 10 μm
  • 20 μm

iprotect® cleanable metal mesh elements, micron ratings(abs):

  • 35 μm
  • 60 μm
Fluid compatibility

Suitable for use with regular hydraulic and lubrication oils and light fuel oils. For heavy fuel oils and other fluids consult us.

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