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TD_DK32_34_37_en_140606_4000282604_R05

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  DK32 - DK34 - DK37DK32 - DK34 - DK37DK32 - DK34 - DK37DK32 - DK34 - DK37 Technical DatasheetTechnical DatasheetTechnical DatasheetTechnical Datasheet Variable area flowmeter ã Robust construction for extreme operating conditions ã Local indication without auxiliary power ã High pressure and temperature durability © KROHNE 06/2014 - 4000282604 TD DK32-34-37-R05-en   CONTENTS   2 www.krohne.com06/2014 - 4000282604 TD DK32-34-37-R05-en DK32 - DK34 - DK37 1 Product features3 1.1 Flowmeter solutions in an all-metal design....................................................................31.2 Variable-area flowmeters of the type DK metal..............................................................41.3 Operating principle...........................................................................................................6 2 Technical data7 2.1 Technical data...................................................................................................................72.2 Dimensions.....................................................................................................................112.3 Flow table.......................................................................................................................142.4 Differential pressure regulators....................................................................................16 3 Installation19 3.1 Intended use...................................................................................................................193.2 Installation requirements..............................................................................................19 4 Electrical connections20 4.1 Electrical connection of limit switches..........................................................................204.2 DK37/M8M limit switches...............................................................................................214.3 DK37/M8E electrical signal output................................................................................22 4.3.1 Power supply.........................................................................................................................234.3.2 Load for HART ®  communication..........................................................................................234.3.3 Parametrization....................................................................................................................23 5 Order form246 Notes25   PRODUCT FEATURES 1 3 DK32 - DK34 - DK37 www.krohne.com06/2014 - 4000282604 TD DK32-34-37-R05-en 1.1 Flowmeter solutions in an all-metal design Solid metal DK flowmeters are suitable for measuring the flow rate of liquids, gases and vapors. Because of their robust design the flowmeters are particularly suited for difficult operating and environmental conditions. Highlights ã DK32 with horizontal connections - with valve ã DK34 with vertical connections - without valve ã DK37 with an increased measurement accuracy and larger indication ã Narrow design enabling a high packing density ã Simple installation and start-up Industries ã Chemical ã Heating, cooling, and air conditioning ã Iron, Steel & Metal ã Electronics ã  Oil & Gas ã Petrochemistry ã  Power plants ã Mechanical engineering ã Paper & Pulp ã Water Applications ã Fine metering ã Gas chromatography ã Minimum level monitoring and control ã In conjunction with a differential pressure regulator: Ensures constant flow rate in the case of variable inlet or outlet pressures  1  PRODUCT FEATURES 4 DK32 - DK34 - DK37 www.krohne.com06/2014 - 4000282604 TD DK32-34-37-R05-en 1.2 Variable-area flowmeters of the type DK metal DK32DK32DK32DK32DK34DK34DK34DK34DK32 with inlet pressure regulatorsDK32 with inlet pressure regulatorsDK32 with inlet pressure regulatorsDK32 with inlet pressure regulators ã Max. two limit switches (NAMUR)or floating reed contact ã Horizontal process connections ã For flow rates of 0.15 l/h and greater (water) and 1.6 l/h (air) ã Option with valve on topor without valve ã Max. two limit switches (NAMUR)or floating reed contact ã Vertical process connections ã For flow rates of 0.15 l/h and greater (water) and 1.6 l/h (air)Inlet or outlet pressure regulators are used to provide constant flow rates in the case of variable inlet or outlet pressures.
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