Krohne DW181 DW182 DW183 DW184 Mechanical Flow Controller
Basic Info
Model No.: DW182
Product Description
Krohne DW181 DW182 DW183 DW184 Mechanical Flow Controller Product Description DW18 SERIES Mechanical Flow Controller • Mechanical, autonomous flow switches - no power supply needed • For horizontal and vertical pipes from DN 15 up to DN 3000 - and higher • High reliability and repeatability up to 300 °C / 570 °F Highlights • Proven technology - for more than thirty years • Bistable reed switches, SPDT switches and relays available • Optional second limit switch • Switch position can be adjusted under process conditions • Suitable for pipes DN 15 …3000 or ½...120" in diameter • High-temperature version (without indicator) for operating conditions up to 300 °C / 570 °F • Housing is removable under process conditions • Optional approval for EEx I or EEx d applications • No maintenance needed Industries • Petrochemical • Oil & Gas • Chemical • Water • Air-conditioning (HVAC) Applications • Flow detection • Cooling systems • Pump protection • Lubrication control • Cavitation alarm Variants 1.DW 181 flow controller
The DW 181 inline flow controller is suitable for horizontal or vertical pipes. It can have G or NPT threaded connections, sizes ranging from ¾...2". The measuring tube and connection are made of either bronze or 316 L (1.4404) stainless steel. 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 (as shown) or • a dial which has been made specifically for this instrument and tested on a calibration rig. For information on DW 181 flow ranges, please refer to the flow range tables. 2.DW 182 flow controller
The DW 182 inline flow controller is suitable for horizontal or vertical pipes. It has flanged connections, sizes ranging from DN 15...DN 65 or from ½...2 ½". The measuring tube and connection is made of 316 L (1.4404) stainless steel. 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 the instrument and tested on a calibration rig. For information on DW 182 flow ranges, please refer to the flow range tables. 3.DW 183 flow controller
The DW 183 inline flow controller is suitable for horizontal or vertical pipes. It has with flangedconnections , sizes ranging from DN 65...DN 200 and2 ½...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 Lstainless 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. For information on DW 183 flow ranges, please refer to the flow range tables. 4.DW 184 flow controller
The DW 184 insertion-type flow controller checks flow velocity. It is suitable for horizontal and vertical pipes with nominal diameters of 250 mm / 10" or bigger - there is no maximum pipe diameter. It is installed on a DN 150 PN 16/40 or 6" ASME150/300 lbs mounting flange. The measuring tube and connection is made of either 1020 (XC 18) carbon steel or 316 L (1.4404) stainlesssteel. A mounting flange made of carbon steel can also have 316 L stainless steel cladding. One type of indicator is available for this variant: • a linear scale with alarm positions at the top and bottom of the indicator. For information on DW 184 flow velocity ranges, please refer to the flow range tables. Payment&The Delivery
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