DF 44

DF 44
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DF 44

Product catalog summary
Overview
The document details the specifications and guidelines for the deltaflow DF44, a flow metering device suitable for gas, steam, and liquid. It covers operational conditions, materials, accessories, mounting positions, and type codes for customization.
Operational Conditions
  • Pressure rating: PN160
  • Temperature range: -200 to 550°C
  • Nominal diameter: DN200 to DN15000
  • Media: Gas, Steam, Liquid
  • Accuracy: Better than 1%
  • Measurement Range: Greater than 1:30
  • Certifications: Ex / ATEX / 3.1 / 2.2 / PED97/23/EG
  • TÜV design check
Materials
Standard materials include 1.4571 (316Ti), 1.4539 (904L), Hastelloy C4, and Haynes Alloy, with other materials available upon request.
Accessories
Includes differential pressure transmitters, multi-variable transmitters, integrated temperature and/or pressure transmitters, weather protection box with heater, air purging system LSP for polluted media, and flow computer for heat transfer measurement.
Mounting Positions
  • Liquid Service: Install with a slight downward slope for proper venting.
  • Gas Service: Ensure the deltaflow is filled with gas, allowing condensation to drain.
  • Steam Service: Install horizontally to allow steam to condense in connection adapters.
Type Code
Options for fluid type (Gas, Liquid, Steam), process connection (DIN and ANSI flanges), nominal diameter, inner diameter and wall thickness, and various differential pressure connection options.
Recommendations
For multi-phase or heavily polluted media, contact systec Controls for solutions. Use the Air Purging System LSP for particle loads exceeding 60mg/m3.
Conclusion
The deltaflow DF44 is a versatile and customizable flow metering solution for various media types, with a range of options to suit specific operational and installation requirements.
Specifications
Ball valves are suitable for use up to 70 bar at 35°C or 200°C at 2 bar. Customized solutions are available for special connections, requiring consultation with systec Controls.
Connection Options
Additional dp-connections can be selected with Ermeto or Swagelok fittings for remote mounting. Recommended fittings for use with air purging systems are specified.
Mounting Material
Various materials are available for weld-in parts, including carbon steel, high-grade steel SS316Ti, high-grade steel 904L, and Hastelloy C4, each suitable for different temperature, pressure, and corrosive conditions.
Profile/Probe Material
The deltaflow's profile is made of high-grade steel (1.4571, V4A, SS316Ti) for most applications, resistant to medium corrosion and temperatures up to 550°C.
Pipe Insulation
The standard height of the DF25 weld-in stud is 125 mm, customizable based on insulation thickness.
Nominal Pressure
The standard pressure level for deltaflow DF44 is PN16, available up to PN160.
Pipe Orientation
Installation guidelines vary for gas, liquid, and steam, ensuring proper drainage and venting based on conduit orientation.
Integrated Sensors
Options for integrating temperature sensors (PT100) and pressure transmitters are available, with specific configurations for ATEX zones.
Options
Additional options include cable boxes for wiring and material certificates for traceability.
Upstream & Downstream Distances
Distances required for installation are specified, with and without the use of ImproveIT technology, affecting accuracy levels.
Further Information
Additional resources and contact information are available on the systec Controls website for product brochures, installation guides, and calculation software.
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Catalog excerpts

DF 44-1

detaflow Flow metering for Gas, Steam and Liquid DF44 deltaflow DF44 Data Sheet systec Controls GmbH Lindberghstrasse 4, 82178 Puchheim Telefon 089 - 80906-0, Telefax 089 - 80906-200 eMail: [email protected] http://www.systec-controls.de

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DF 44-2

Flow metering for Gas, Steam and Liquid Overview Operational Conditions Pressure rating: PN160 -200 – ca. 550 °C DN200 – DN15000 (typical, others on request) Media: Gas, Steam, Liquid Accuracy: better 1% , Bi-directional, Measurement Range > 1:30 Certifications: Ex / ATEX / 3.1 / 2.2 / PED97/23/EG TÜV design check Figure 1 deltaflow with flange connection, mounted 3-waymanifold and opposite support Materials 1.4571 (316Ti) 1.4539 (904L), Hastelloy C4, Haynes Alloy (mounting material) Others on request Figure 3 : deltaflow with cut ring stud, 3-way-manifold, integrated PT100 and multi variable...

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DF 44-3

Flow metering for Gas, Steam and Liquid attachment information) deltaflow Mounting Positions (see also attachment for further information) Liquid Service In order to consider proper venting or draining location depends on type of media and orientation of pipe. To meter liquids, the entire probe should be filled with liquid allowing gas bubbles to vent off. To allow this to happen, the unit should be installed with a slight downward slope from the dp-transmitter towards the measurement profile Gas Service For gasses, the installation theory is exactly opposite to that of liquids. The deltaflow...

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DF 44-4

Flow metering for Gas, Steam and Liquid DF44 - - DN -- ID mm WD mm - Customized Options options integ Press integ Temp pipe orientation nominal Pressure pipe insulation material probe material weld-in parts additional dp-connection dp connection exact wall thickness exact inside diameter Nominal Diam Process connection Fluid Type Code Bezeichnung - - - - - - - - deltaflow Staudrucksonde FG Gas FL Liquid FD Steam CF weld-in-stud with DIN-flange CA weld-in-stud with ANSI-flange DN300 nominal diameter max DN300 DN400 nominal diameter max DN 400 DN ... additional length each 100mm ID_mm inside diameter...

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DF 44-5

Flow metering for Gas, Steam and Liquid RV pipe vertical RHO pipe horizontal, installation from top RHS pipe horizontal, installation from side RHU pipe horizontal, installation from bottom T3 PT100, max4 00° C T4 PT100, 4..20mA=0..100° C T5 PT100, 4..20mA=0..200° C T6 PT100, 4..20mA=0..300° C T7 PT100, 4..20mA=0..400° C T8 Typ K, 4..20mA=0.>.400° C T9 PT100 Ex, 4..20mA for all temperature ranges P01 preparation for pressure measurement with G1/2" stud and nut P02 preparation for pressure measurement with pressure valve G 1/2" P03 preparation for pressure, with pressure valve and steam siphon...

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DF 44-6

Flow metering for Gas, Steam and Liquid If your medium happens to be multi phase (such as cryogenic gas or wet steam), we will be happy to help you find a workable solution. Please contact us. If your medium is heavily polluted, we would also be happy to help you with our automatic air purging system LSP (see data sheet LSP). We recommend using LSP whenever particle load exceeds 60mg/m3. In most applications deltaflow operates satisfactorily without cleaning and without maintenance. Process Connection Code -CF Illustration -CA Explanation Weld-in studs with DIN flanges (option CF) are often used...

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DF 44-7

Flow metering for Gas, Steam and Liquid Inner Diameter Code -ID… Illustration ID Explanation Your deltaflow is custom-built. In order to assure that your deltaflow is ideally suited to your application, we need to know the actual interior diameter and the wall thickness of your conduit. We recommend that this measurement not be taken from your documentation, but rather measured—at the planned sampling site if possible. This is particularly important for applications involving older conduit systems. It is NOT necessary to have this measurement at the bid proposal stage, but it will be required...

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DF 44-8

Flow metering for Gas, Steam and Liquid dpdp-connection The dp connection you select establishes the way in which you would like to transfer the differential pressure metered at the deltaflow to your dp-transmitter. In addition to the connection formats identified below, other connections can be provided upon request at any time. Code -AAN Illustration Explanation With option AAN you will get your deltaflow with welding ends. Here you have to take care about the connection to your transmitter (impulse piping). Can be used for all kind of media. -AN2 If you enter option AN2, your deltaflow will...

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DF 44-9

Flow metering for Gas, Steam and Table 7 Model Code DF44 - dp-connections Additional dp-connection In addition to the choosen dp-connection you can select Ermeto or Swagelok fittings. These fit- tings are typically used for remote mounting (dp-transmitter mounted at remote place) in order to connect deltaflow with dp-transmitter. You can have these fittings along with options AAN, AKR, AAE. We recommend to use AER when using deltaflow DF44 along with air purging system LSP since LSP has also Ermeto inputs (e.g. picture 2) systec Controls GmbH eMail: [email protected]

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DF 44-10

Flow metering for Gas, Steam and Liquid Code -AER -A Illustration Explanation Ermeto fitting 10m Similar to Option AER but with Swagelok fitting (material weldMounting Material (material weld-in parts) Unless you intend to use an existing connection stud, your deltaflow will be delivered with all studs required for Installation (see also process connection). You must select the material for these studs that is appropriate to your application (normally choosen material should be similar to pipe material) Code -MC -ME -MV -MW Explanation Material: Carbon steel (St35.8 or similar) A standard delivery...

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DF 44-11

Flow metering for Gas, Steam and Liquid -MF Material: 16Mo3 (1.7380, A182-F22) This is the material used to manufacture boilers. Used primarily in steam and feedwater applications at extreme temperatures and pressures. Table 8 Model Code DF44 – Material of mounting material (weld-in parts) Other materials may also be available; do not hesitate to ask. Please be prepared to tell us what materials are used in your existing pipe system, and we will then research to determine if the appropriate installation material is available and whether it is suitable for welding. Profile Material of Profile...

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