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.