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Oval Delta Flowpet FLX B Series Instructions Manual

Vortex flowmeter
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Vortex Flowmeter
DELTA FLOWPET
High temperature type
(radiator fins provided)
Every OVAL vortex flowmeter DELTA FLOWPET is fabricated and shipped from our factory under stringent
quality control. In order to maintain its design performance throughout its life, this manual offers the operator
the necessary installation, operation and maintenance information. Be well familiar with these instructions
before you place the meter in service and keep this manual at the field location for ready reference.
Ins. No.
MODEL : FLX£££ − £££B
Standard type
D-555-3-E


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  • Page 1 Standard type (radiator fins provided) Every OVAL vortex flowmeter DELTA FLOWPET is fabricated and shipped from our factory under stringent quality control. In order to maintain its design performance throughout its life, this manual offers the operator the necessary installation, operation and maintenance information. Be well familiar with these instructions...

  • Page 2: Table Of Contents

    D-555-3-E CONTENTS 1. BEFORE YOU BEGIN ..................... 4 1.1 Confirming the Nameplate ......................4 . Transportation Considerations .......................4 1.3 Storage Considerations .........................4 2. OPERATING CONDITIONS ..................5 3. GENERAL ....................... 5 4. PART NAMES AND FUNCTIONS ................5 4.1 Part Names ............................5 4.2 Display Functions and Operation ....................7 4.2.1 Display Menu Selection ......................7 4.2.2 About the Displayed Messages during Operation ..............7...
  • Page 3 D-555-3-E 9. MAINTENANCE ....................26 9.1 Sensor Replacement ........................6 9.. Sensor Unit Removal, Standard Type ..................6 9.1.2 Sensor Unit Removal, High-Temperature Type ..............7 9.1.3 Sensor Unit Installation ......................8 9.2 Preamplifier Inspection ........................9 9.2.1 Switches, Potentiometers, and Test Pins ................9 9.3 Battery Pack Replacement ......................30 10.

  • Page 4: Before You Begin

    If a long-term storage is anticipated, take the following precautions: (1) Keep the equipment in store in the same shipping container used for transportation from OVAL if possible. (2) Place of storage should conform to the following requirements: - Free from rainwater and moisture.

  • Page 5: Operating Conditions

    D-555-3-E 2. OPERATING CONDITIONS To maintain the stated accuracy and life, it is necessary that the flowrate, pressure, temperature and other variables be held within the ratings specified. Make sure of these ratings stated in the specifications supplied with the product. The flowmeter's preamplifier housing is made from polycarbonate;...
  • Page 6 D-555-3-E (Part names in Fig. 4.1) (1) Meter Body: Consists of a measuring pipe and a vortex shedding object (bluff body). As the process fluid flows, von Karman vortices form and shed behind the bluff body. (2) Sensor (vortex detector): Contains a piezoelectric sensor.

  • Page 7: Display Functions And Operation

    D-555-3-E 4.2 Display Functions and Operation In normal operation, four variable-accumulated total flow, hourly instantaneous flowrate, per-minute instantaneous flowrate, and resettable total flow-can be shown along with the units of measurement. 4.2.1 Display Menu Selection By depressing the "MODE" switch on the display to turn it on, the display scrolls through available menus items as shown in Fig.

  • Page 8: Total Counter Reset

    D-555-3-E 4.2.3 Total Counter Reset When "RESET" switch is turned "ON" while the display shows "Resettable total flow" (mode symbol 8-digit LCD Display "C"), the total reading is automatically reset to zero (Fig. 4.5). NOTE: It is only resettable while "resettable total flow"...

  • Page 9: Piping Instructions

    ISO standards given in Table 5.1 below, using a Sch. 40 pipe. (1) OVAL flow straightener combined with downstream pipe (25mm and up in nom. dia.) D = Nom. Dia.
  • Page 10 (3) Space Saving Arrangement If required straight pipe space is not obtainable upstream of the vortex flowmeter due to existing restrictions on installation location, the OVAL Honey Vane S combined with a short pipe may be used to get around the space problem.

  • Page 11: Pipes To Be Used

    D-555-3-E 5.2 Pipes to be Used Nominal thickness Sch. 40 pipes should be used for upstream and downstream pipes of this meter. 5.3 Location of Pressure Gauge and Thermometer Taps Taps for the pressure gauge and/or thermometer, D = Nominal Dia. Pressure Gage Tap if desired, should be located downstream of the flowmeter as illustrated in Fig.

  • Page 12: Prevention Of Excessive Flowrate

    D-555-3-E 5.6 Prevention of Excessive Flowrate To ensure long meter life, transient flowrates should "A" be held below 1.6 times the meter's maximum METER VALVE rating. Shown below are typical examples in steam measurement where excessive flow is often FLOW encountered: Examples where meter's maximum rating is GAGE...

  • Page 13: Installation

    D-555-3-E 6. INSTALLATION 6.1 Installation Location Select an installation location that conforms to the following conditions: (1) Least vibration and impact shock. (2) Optimum display viewability and easily accessible for maintenance and servicing. (3) Free from bubble entrapment in liquids and completely filled with liquid at all times (liquid service only). (4) Liquids will not freeze.

  • Page 14: Installation Procedure

    D-555-3-E 6.5 Installation Procedure Install the meter body in the following manner: (1) Install adjust rings on the meter periphery at both ends. ASME 150 and JP1 150 meters 25 millimeters in nominal diameter do not require adjust rings. Nominal Dia. 10mm to 25mm Nominal Dia.

  • Page 15: Wiring Diagrams

    D-555-3-E 6.6 Wiring Diagrams CAUTION: For a long run, extend the cable length using a shield cable 0.75mm or larger. Separate field wiring from power cables and other noise sources. (Transmission length 1 km and cable conductor area 2.0mm (1) Analog output (2-wire): FLX £££ − ££ 3 £ Analog output BRN (SUP) 4 to 20mA...

  • Page 16: Operation

    D-555-3-E 7. OPERATION 7.1 Flushing the Piping Assembly A newly installed piping assembly where scale, Meter sludge and other foreign matter are expected requires Valve Valve flushing the piping assembly before commencing meter operation. Flow Direction In order to safeguard the meter, use a bypass line for Short Pipe flushing.

  • Page 17: About Configuration Of Parameters

    D-555-3-E 8. ABOUT CONFIGURATION OF PARAMETERS Specifications of this flow monitor are established by the configuration of parameters. They are set to default parameters before the product leaves the factory, and in normally encountered situations, no further reconfiguration is required. 8.1 Parameters List Table 8.1 (1/2) Parameter...
  • Page 18 D-555-3-E Table 8.1 (2/2) Parameter Code Default Setting Initial Value Description Remarks Alarm data Alarm 1 Flowrate of alarm output 1 setup Alarm 1 Hysteresis of alarm output 1 hysteresis Alarm 1 Output status of alarm output 1 status For details, see "About Alarm Outputs". Alarm 2 Flowrate of alarm output 2 setup...

  • Page 19: Parameter Setup Procedure

    D-555-3-E 8.2 Parameter Setup Procedure 8.2.1 Procedure to modify a parameter Given below is the parameter setup procedure: (1) In "Measure Mode (normal mode)", turn MODE switch ON for 5 seconds to go into "Review Mode". (2) Using MODE and RESET switches, show the parameter you want to modify. (3) Turn MODE switch ON for 2 seconds to go into "Parameter Setup Mode".
  • Page 20 D-555-3-E Kind 2 Unit setup parameter (Un) In the parameter setup mode, the measurement unit to be set up flickers. MODE ... Not used in the setup process. RESET ... Each time the switch is turned ON, the measurement unit indicated changes one after another. →...
  • Page 21 D-555-3-E Kind 4 Analog output 4/20mA trim • During the analog trim, keep on monitoring the analog output with milliammeter. Given below is the 4mA trim procedure (the same holds true with 20mA trim). (1) At "A04 4.000", hold "MODE" depressed for 2 seconds to go into the parameter setup mode; the least significant digit "0"...

  • Page 22: About Alarm Outputs

    D-555-3-E 8.2.3 About Alarm Outputs • Whenever the instantaneous flowrate exceeds (or falls below) the alarm setpoint, the front panel LED comes on with a remote alarm signal (open collector) produced. • The alarm comes in two points - alarm 1 and alarm 2 - independently set up. NOTE: About available alarm-related parameters, see Table 8.4 "Menu Trees and Switch Operation"...

  • Page 23: About Dummy Output Functions (Special Functions)

    D-555-3-E 8.2.4 About Dummy Output Functions (special functions) By the following steps, a 1Hz or 10Hz simulated factored pulse train can be furnished irrespective of flowmeter measurement. NOTE: This feature is not available with the unfactored pulse output specification. • 1Hz simulated output mode (dummy output 1 mode Code: Pd1) (1) According to the Table 8.4 "Menu Trees and Switch Operation"...

  • Page 24: About The Error Messages

    D-555-3-E 8.3 About the Error Messages The preamplifier can be reconfigured for new parameters at your option. However, if some parameters you set up conflict, or when an erratic condition arises, the LCD display will tell the operator with an error message from Table 9.2 below.
  • Page 25 D-555-3-E Table 8.4 Menu Trees and Switch Operation Measure mode (normal mode) Parameter review mode...

  • Page 26: Maintenance

    D-555-3-E 9. MAINTENANCE 9.1 Sensor Replacement WARNING: Be sure to remove power before you work. CAUTION: The sensor is a Pull pressuretight component. Preamp Disconnect Do not forget to stop the Lever flow and reduce the line Sensor Leads pressure to zero before you remove it.

  • Page 27: Sensor Unit Removal, High-Temperature Type

    D-555-3-E 9.1.2 Sensor Unit Removal, High-Temperature Type REMOVAL PROCEDURE Refer to Chapter 10, Exploded View and Parts List on pages 30 and 31. (1) With preamplifier disconnect lever drawn, separate the meter body from the preamplifier Pull (Fig. 9.5). Preamp Disconnect Lever CAUTION: Use care in separating Sensor Leads...

  • Page 28: Sensor Unit Installation

    D-555-3-E 9.1.3 Sensor Unit Installation Refer to Chapter 10, Exploded View and Parts List on pages 30 and 31. High Temperature Type Standard Type Reverse the order of disassembly for assembly, observing the following instructions: (1) Do not drop or force the sensor unit. (2) When you install the sensor unit, make sure that gasket (201) is in place (see Fig.

  • Page 29: Preamplifier Inspection

    D-555-3-E 9.2 Preamplifier Inspection 9.2.1 Switches, Potentiometers, and Test Pins • Amplifier Board Part Name Printed Label Description Trigger level setup Adjusts trigger level (pulse generating sensitivity) potentiometer over a range 80mV to 1500mV Amplifier gain setup Adjusts amplifier gain. (Do not change the setting.) potentiometer Amplified waveform monitor Monitors amplified sensor output signal (sinusoidal...

  • Page 30: Battery Pack Replacement

    (Fig. 9.13). dedicated parts available (2) With positive polarity end pointing in the at the nearest OVAL sales direction of cable connector receptacle, set the office in your area. battery pack in the lower case (Fig. 9.14).

  • Page 31: Exploded View And Parts List

    D-555-3-E 10. EXPLODED VIEW AND PARTS LIST 10.1 Exploded View NOTE: See next page for parts list.

  • Page 32: Parts List

    D-555-3-E 10.2 Parts List When you order replacement parts, please specify the product No., flowmeter model, instruction manual No., symbol No., part name, quantity desired, etc. Table 10.1 Standard Model Symbol No. Part Name Q'ty Remarks Meter Body 00A Standard Sensor Unit  set Gasket φ7.5×t...

  • Page 33: General Specifications

    D-555-3-E 11. GENERAL SPECIFICATIONS 11.1 General Specifications Table 11.1 Item Description Nominal Diameter and Connection 10, 15, 25, 40, 50, 80, 100mm, wafer type Flange Ratings JIS 10, 16, 20, 30K ASME/JPI 150, 300 (10mm in nominal dia. is excluded.) Standard Process Connection Nominal thickness Sch.

  • Page 34: Displayed And Output Units (Default Settings)

    D-555-3-E 11.2 Displayed and Output Units (default settings) (1) Liquid Service Nominal dia. Total counter units and Model (mm) factored output units (m FLX010− ££ 0.0 FLX015− ££ 0.0 FLX025− ££ 0.0 FLX040− ££ 0.0 FLX050− ££ FLX080− ££ FLX100− ££ (2) Gas Service Nominal dia.

  • Page 35: Product Code Explanation

    D-555-3-E 12. PRODUCT CODE EXPLANATION PRODUCT CODE Item DESCRIPTION ① ② ③ ④ ⑤ ⑥ − ⑦ ⑧ ⑨ ⑩ Model F L X Vortex flowmeter DELTA FLOWPET 0  0 10mm 0  5 15mm 0  5 25mm Application 0 4 0 40mm...

  • Page 36: Outline Dimensions

    D-555-3-E 13. OUTLINE DIMENSIONS 13.1 DELTA FLOWPET Units in mm • Standard Type (Liquid temperature: −10 to +80ºC) • Nominal dia.: 10, 15mm • Nominal dia.: 25mm Signal Cable Signal Cable 1 meter long 1 meter long Flow Flow • Nominal dia.: 40, 50mm •...
  • Page 37 D-555-3-E NOTE: Battery powered model has no signal cable. Units in mm • High Temperature Type (Liquid temperature: −10 to +200ºC) • Nominal dia.: 10, 15mm • Nominal dia.: 25mm Signal Cable Signal Cable 1 meter long 1 meter long Signal Cable Signal Cable 1 meter long...

  • Page 38: Flow Straightener And Downstream Short Pipe

    D-555-3-E 13.2 Flow Straightener and Downstream short Pipe n Flow Straightener Outline Dimensions Nom. dia.: 100mm max. Dimensions, mm Approx. Weight (kg) Nom, Dia. Model JIS 20K JIS 30K dφ JIS 10K (inches) ASME 50 ASME 300 0 (3/4) .4 5 (1) 7. 3 (1•1/4)
  • Page 39 D-555-3-E...
  • Page 40 D-555-3-E 06.0 Revised 05.04 Revised△ 00.09 Released All specifications are subject to change without notice for improvement. D-555-3-E ()

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