Variable area flowmeter DFM 165 to 350

Transcription

1 ASV Stübbe GmbH & Co. KG Hollwieser Straße 5 D60 Vlotho Fon +9 (0) Fax +9 (0) contact@asvstuebbe.e Variable area flowmeter DFM to 3 For all inustrial uses High measurement accuracy an operational reliability The meium, water, air liqui or gaseous chemicals, flows vertically from the bottom to the top. The flow forces cause the float to lift without friction an its top grauation ege (largest iameter) inicates irectly the flow volume on the grauate tube scale. The flowmeters DFM to 3 have been further evelope accoring to the increase emans in process engineering, an provie the following aitional features: Flowmeter prograe overview range ) l/h ) for water at C Series DFM Practical grauate measuring ranges accoring to DIN, from 3 l/h to 000 l/h 0 to grauate tubes Tube lengths = type escription to 3 Materials for (almost) all meia: PVCU, PA, PSU an Process automation using limit signal transmitters an measure value remote transmission Inicator accuracy accoring to VDI/VDE 353 Materials with reuce moisture absorption increase the measure value stability Pressure level PN 0, materials with high impact resistance an increase creep strength Hermetically seale, connecte with Orings Require little maintenance, install raially Optimize grauate tube geometry for increase accuracy Improve stabilization of the float to make reaing easier Tube lengths to inustrial stanar Variety of options with up to 3 ifferent tube lengths an per measuring range Material variants for practically every purpose range ) l/h Series DFM 0 3 range ) l/h Series DFM /05/0

2 The conical grauate tube is equippe as stanar with a measuring range scale in l/h from DFM also in % for water at C. It has external ovetaile strips with movable setpoint inicators for the optimum marking of minimum an maximum flow volume or for acooating limit signal transmitters. In the measuring tube the float is locate, of as stanar, as well as the float trap. From DFM two are provie, one at the top an one at the bottom. For automatic measurement, the float is equippe with a magnet insert which is impervious to fluis. A newly aapte magnetic technology makes the istinction between monostable an bistable magnets unnecessary. The connections, inserts as socket ens for solvent (PVC) or fusion weling (PP, ), ANSI sockets, ensure a reliable sealing with only two Orings an guarantee fast, unproblematic raial installation. Series DFM Ient No. range ) l/h Series DFM 70 IentNo. range ) l/h Series DFM 85 Ient No. range ) l/h Series DFM 0 Ient No. range ) l/h The DFM to 3 flowmeters are calibrate with efine ensity an the viscosity of water at C. The measurement accuracy correspons to class accoring to VDI/VDE 353, sheet. Flowmeter with limit signal transmitters. Connecte with limit switches (see uner accessories) for the irect switching of valves an pumps or for triggering an optical or acoustic alarm. upvc PA PSU Inch Magnet 3) Magnet 3) Magnet 3) Magnet 3) 3/ 3/ 3/ 3/ upvc PA PSU Inch Magnet 3) Magnet 3) Magnet 3) Magnet 3) upvc Inch VA Magnet 3) / / / / upvc Inch VA Magnet 3) PA VA Magnet 3) 6 7 PA VA Magnet 3) PSU VA Magnet 3) 3 PSU VA Magnet 3) ) with water at C ) measuring tube connection 3) with magnet, monostable an bistable Magnet 3) Magnet 3) ASV Stübbe GmbH & Co. KG Hollwieser Straße 5 D60 Vlotho Fon +9 (0) Fax +9 (0) contact@asvstuebbe.e /05/0

3 ASV Stübbe GmbH & Co. KG Hollwieser Straße 5 D60 Vlotho Fon +9 (0) Fax +9 (0) contact@asvstuebbe.e Materials tube: PVCU (polyvinyl chlorie) transparent PA (polyamie) transparent, with strongly reuce moisture absorption PSU (polysulfone) transparent (polyvinyliene fluorie) opaque Float:.30 (VA), with encapsulate magnet impervious to fluis an only one polarization for monostable an bistable function Orings: EPDM FPM (e.g. Viton A) on request Union sockets ens: PVCU. Colour: grey, RAL 70 PP (polypropylene) available on request. Colour: grey, RAL 70, stanar with corresponing measuring tube. Colour: opaque (yellowishwhite) White malleable cast iron on request. Other materials or combinations of Series DFM Ient No. range ) l/h Series DFM 3 Ient No. range ) l/h Technical Specifications Type of fluis: Technical clean, neutral an aggressive or gaseous liquis, provie that the selecte materials are resistant at operating temperature. Refer to the ASV resistance guie. ranges: DFM 3 up to 0 l/h series 70 5 up to 0 l/h 85 5 up to 000 l/h 0 up to 0 l/h 5 up to 000 l/h 3 5 up to 000 l/h tube imensions: 0 to Threae connection for pipe union G 3/" to G 3 /" an ANSI Tube length = series esignation Installation: Vertical, flow irection from the bottom to the top (see front page illustration). Pressure stage: PN 0 at C Note: For gasious meia o not use grauate tubes mae of PVC. Flowmeter with flow sensor ZE 3000 NEW PVCU PA PSU Inch VA Magnet 3) VA Magnet 3) VA Magnet 3) Magnet 3) / / / / / / PVCU PA PSU Inch VA Magnet 3) VA Magnet 3) VA Magnet 3) Magnet 3) / / 3/ 3/ 3/ 3 / 3 / 3 / ) with water at C ) measuring tube connection 3) with magnet, monostable an bistable /05/0 3

4 Inicator scales The flowmeters are equippe with scales for water at C as stanar. For various meia, incluing air Nm 3 /h, HCI with a concentration of 30 to 33 w/w percent an NaOH with 30 an w/w percent as well as the units of measurement m 3 /h, l/sec, l/min or USGPM, IGPM, further inicator scales are available on request. These special scales can be stuck on easily an reliably afterwars. Alterations to the float are not necessary. Special precise scales epening on the parameters use in operation are available on request. We require the following information for this: operating or meium temperature t A ensity at t A viscosity at t A as well as operating pressure in case of gaseous meia For ifferent applications an the accoring selection please contact our service epartments. Dimensions an technical specifications DFM ) pressure loss with water at + C ) pressure loss with air at + C Dimensions, series DFM to 3 Series DFM, 3 Series DFM,70,85, 0 Series Dimension Technical ata 0 5 Inch 3/8 / 3/ / / / G ) Inch 3/ / / 3/ 3 / / 3/ 3 / D L* L** L* ) version approx. + % ) measuring tube threa is special threa L** L p ) Δ m bar p ) Δ m bar Weight in g 3) * vali for tube materials PVC, PSU an PA ** vali for tube material ASV Stübbe GmbH & Co. KG Hollwieser Straße 5 D60 Vlotho Fon +9 (0) Fax +9 (0) contact@asvstuebbe.e /05/0

5 ASV Stübbe GmbH & Co. KG Hollwieser Straße 5 D60 Vlotho Fon +9 (0) Fax +9 (0) contact@asvstuebbe.e Operating pressure: In orer to etermine the permissible operating pressure as a function of the working temperature, the creep strength of the particular material nees to be taken into account, among other factors. Please inquire. Flui temperature: Depens on the operating conitions (system pressure, loa etc.). Taking creep strength into account, the following approximate temperatures apply: PVCU: + 60 C PA: + C PSU: +00 C : +0 C Connections: PVC socket ens for solvent weling accoring to DIN 80. PP, socket ens for fusion weling accoring to DIN On request we supply the flowmeters with flange connections loose flanges accoring to DIN 0, PN 0/6 or malleable unions accoring to DIN 9 with female en. Please inquire. Mounting: To avoi unstable flow conitions (flutter of the float) a istance of 5 up to 7 x shoul be consiere ahea an behin the flowmeter. Approximate temperature correction for DFM, 3 series Example: Require flow rate 00 l/h. Liqui H 0 at t A = 60 C. Correction of flow rate acc. iagram Q K = ~ 98 l/h. The scale inicates 390 l/h, an the actual flow volume is 00 l/h. pressure ( bar) temperature ( C) The above iagram is applicable for a compute operating life factor of years. Values 0 C on request with exact ata of operation. Pressure/temperature iagram: Stanar values for resistance of material for harmless fluis. operating temperature ( C) correction of flow rate (l/h) flow rate (measure value) (l/h) /05/0 5

6 Accessories For process automation or control the following are available: New: Flow sensor ZE 3000 (ata sheet 330) wire technology...ma analog output 8...8VDC input iniviual prograing aapte to the DFM point calibration nonvolatile value storage 0 button to compensate for the surrouning magnetic influences factory setting of the lower limit value (lowcutoff) % accoring to customer's specifications measuring accuracy better than 0.5% Float with liquiproof seale magnet. Polarization for monostable an bistable limit signal transmitters. Limit signal transmitters, monostable or bistable, for one signal at min. or max. flow rate. point control (see ata sheet 33070) Contact protective relay (see ata sheet 3307) Convertion of flow rate units m 3 /s m 3 /h m 3 /s = 3600 m 3 /h =.788 x 0 l/min =.667 x x 0 IGPM = x USGPM = x cusec =.833 x 0 0 Sectional rawing an part list Series DFM, 3 Series DFM,70,85, 0 Series DFM Series DFM 3 Pos. Qty. Description Pos. Qty. Description measuring tube measuring tube float float 3 float trap 3 ) float trap union nut union nut 5 insert 5 insert 6 Orings 6 Orings 7 setpoint inicator 7 setpoint inicator ) for DFM, l/h, ifferent float traps l/min GB gal/min US gal/min ft 3 /sec x x 0 3. x 0 3 Technical alterations excepte ASV Stübbe GmbH & Co. KG Hollwieser Straße 5 D60 Vlotho Fon +9 (0) Fax +9 (0) contact@asvstuebbe.e /05/0

7 ASV Stübbe GmbH & Co. KG Hollwieser Straße 5 D60 Vlotho Fon +9 (0) Fax +9 (0) contact@asvstuebbe.e /05/0 7

8 ASV Stübbe GmbH & Co. KG Hollwieser Straße 5 D60 Vlotho Fon +9 (0) Fax +9 (0) contact@asvstuebbe.e /05/0