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DW 183
The DW 183 inline flow controller is suitable for horizontal or vertical pipes. It has flanged connections , sizes ranging from DN 65...DN 200 and 2½...8".

The measuring tube and connection is made of either XC 18 (1020) carbon steel or 316 L (1.4404) stainless steel.

Carbon steel flanges with nominal diameters bigger than 100 or 4" can have 316 L stainless steel cladding. There are two types of indicator available for this variant:

a linear scale with up to two alarm positions at the top and bottom of the indicator or
a dial (as shown) which has been made specifically for this instrument and tested on a calibration rig.


Flow detection, Cooling systems, Pump protection, Lubrication control, Cavitation alarm.
  • Permanent readings using a powerful magnet
  • No need for a power supply to indicate flow
  • Unique Ex d design (without dial for local readings)
  • High temperature version (without local indication) can operate up to 300°C (570°F)
  • Available for process pressures up to 120 bar (1740 psig)
  • No pipe diameter limit: Insertion-type version is suitable for pipes > 250mm
  • Any tube length is available for easy replacement of existing units
  • Large choice of process connections and wetted parts material
  • With optional stainless steel housing
  • Works with any clean liquid in any position
  • High reliability and repeatability
  • Alarm position: set by factory free of charge during test rig flow calibration
  • Each instrument is individually calibrated and tested
  • Switch value can be dry-tested!
  • Optional 3-wire device (without local indication) with 4-20 mA current output (not CE certified!)
  • Power supply device and digital indication possible via C95 Ci or similar
This is a product of KROHNE Marshall.