Kirchner und Tochter RA 60 Assembly And Operating Instructions Manual

Variable area flow meters

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Assembly and operating Instructions
Variable Area Flow Meters
RA 60 / FA 60
A. Kirchner & Tochter GmbH
Dieselstraße 17 · D-47228 Duisburg
Fon: +49 2065 9609-0 · Fax: +49 2065 9609-22
Internet: www.kt-flow.de · e-mail: info@kt-flow.de
Version 2.2

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  • Page 1 Assembly and operating Instructions Variable Area Flow Meters RA 60 / FA 60 A. Kirchner & Tochter GmbH Dieselstraße 17 · D-47228 Duisburg Fon: +49 2065 9609-0 · Fax: +49 2065 9609-22 Internet: www.kt-flow.de · e-mail: info@kt-flow.de Version 2.2...
  • Page 2: Table Of Contents

    Maintenance and cleaning of the flow meter ............13 Dismantling the glass cone RA 60 ..............13 Assembling the glass cone RA 60 ...............14 Replacement of the glass cone RA 60 ............14 Dismantling of the glass cone FA 60 ............15 Installation of the glass cone FA 60 .............15 Replacement of the glass cone FA 60 ............15...
  • Page 3: Foreword

    Foreword These Installation and Operating Instructions are applicable to devices of Series RA 60 and FA 60. Please follow all instructions and information given for installation, operation, inspection and maintenance. The Instructions form a component part of the device and should be kept in an appropriate place accessible to the personnel in the vicinity of the location.
  • Page 4: Intended Use

    Intended use The Series RA 60/FA 60 device is a variable area flow meter designed for liquids and gases and for installation in vertical pipe runs. Installation in the pipeline should be carried out solely in accordance with these Instructions.
  • Page 5: Notice As Required By The Hazardous Materials Directive

    In accordance with the law concerning handling of waste (critical waste) and the hazardous materials directive (general duty to protect), we would point out that all flow meters returned to Kirchner und Tochter for repair are required to be free from any and all hazardous substances (alkaline solutions, acids, solvents etc.).
  • Page 6: Installation

    ● Prepare the installation point for the measuring device with appropriate pipe threads (RA 60) or flanges (FA 60) before beginning installation work. Pay attention to the correct spacing of the sealing faces and to exact alignment.
  • Page 7: Installation Ra 60

    Installation RA 60 1. Remove the insert (item 1) and the union nuts (item 3) from the device. 2. Slip the union nuts over the ends of the pipeline at the installation point. 3. Screw the inserts using packing material (e.g.
  • Page 8: Start-Up

    Start-up The device must be properly installed before it is started up. 1. Check all device connections. 2. To set the flow: pressurize the pipelines by slowly opening the shut-off valves. On liquid service: carefully vent the pipeline. 3. Check the leak-tightness of all components and if necessary, tighten down threaded joints or screw connections.
  • Page 9: Limit Switches Msk1/Msk12/Mskw

    Limit switches MSK1/MSK12/MSKW The flow meter can be equipped with limit switches to provide local indication with monitoring function. The limit switches consist of a limit switch (reed switch) that is switched over by the magnet integrated in the float. The limit switch is guided in a guide slot in the protective case and can be adjusted over the full measuring range.
  • Page 10: Setting The Limit Switches

    Setting the limit switches 1. Loosen the lock nut  SW13 (M8 x 1) on the neck of the switch . 2. Slide the switch  to the flow value required to be monitored. 3. Please make sure the contact  never touches the measuring glass  and the clearance between contact ...
  • Page 11: Linear Displacement Sensor 4

    Linear displacement sensor 4 .. 20 mA/0 ... 10V The linear displacement sensor, based on the Hall effect, delivers an output signal proportional to the height setting of the flow meter. The signal can be displayed in 4 ... 20 mA or 0 ... 10 V and is used for remote flow rate observation.
  • Page 12: Adjusting The Sensor

    Adjusting the sensor The linear position sensor is delivered adjusted to the lowest measuring range point. This corresponds to an output signal of 4 mA. The remaining measuring range or mA values can be taken from the supplied protocol. If you want to move the 4 mA value to another measuring range point, move the sensor or the 4 mA value to the requested point.
  • Page 13: Maintenance And Cleaning Of The Flow Meter

    Maintenance and cleaning of the flow meter The device is maintenance-free. Should the glass cone become fouled, the device can be removed from the pipeline as follows. Dismantling the glass cone RA 60 1. First dismantle the device by undoing the screw connections, item 3.
  • Page 14: Assembling The Glass Cone Ra 60

    3. Align the glass cone so that the markings can be read off through the cutout in the case. Replacement of the glass cone RA 60 Proceed as described in section 9.1. and section 9.2 For devices with glass size 6 and smaller, a support disk (20) is additionally installed.
  • Page 15: Dismantling Of The Glass Cone Fa 60

    Dismantling of the glass cone FA 60 1. Remove the device together with the gaskets pertaining to the flanged connections (detach the flanged connections). 2. Dismantle the outer flanges, items 1 and 16. 3. On nonguided floats, the float stops (receptacles) in the measuring glass are either helical springs or inserts made of plastics.
  • Page 16: Subsequent Installation Of A Float Catcher Protective Cap

    Subsequent installation of a float catcher protective cap Pressure surges in the measuring line can cause damage or destruction of the float catch. In order to evenly distribute occurring forces and to prevent tearing of the elastomer, RA/FA 60/65/77/87 series variable area flow meters are equipped with a stainless steel float catch protection cap.
  • Page 17 6. Tighten the M5 hex nut     slightly.   7. Insert the guide rod  back  into the bridge  of the upper head  and tighten the M5 locknut .  8. Insert the guide rod  with the upper device head ...
  • Page 18: Service

    Service All devices with defects or deficiencies should be sent directly to our repair department. In the service area of the Kirchner und Tochter homepage (www.kt-flow.de) you will find the declaration of decontamination as download and more information about returns.
  • Page 19: Technical Data

    Technical data RA 60: PN 10 at 20 °C Nominal pressure rating FA 60: PN 10 at 20 °C Max. operating pressure see table measuring ranges (section 12.2) Thermal endurance 80 °C, optionally 100 °C max. ambient temperature 90 °C...
  • Page 20: Measuring Ranges

    12.2 Measuring ranges Size Measuring range Measuring range Max. oper. press Air at STP¹ [bar] at 20 °C – – – 0,25 – 2,5 m³/h – 0,15 – 1,5 m³/h 0,12 – m³/h – m³/h – m³/h – m³/h – m³/h –...
  • Page 21: Dimensions

    12.3 Dimensions RA 60 Size Pipe union d ¹ Rp ¼ Rp ⅜ Rp ½ Rp ½ Rp ¾ Rp 1 Rp 1 Rp 1 ¼ Rp 1 ½ Rp 1 ¼ Rp 1 ½ Rp 2 Rp 1 ½...
  • Page 22 FA 60 Screws Size Qty. 60 4 65 4 75 4 85 4 60 4 65 4 75 4 85 4 60 115 85 4 100 4 110 4 100 4 75 140 110 4 125 4 95 150 110 4 125 4 145 4 115 185...
  • Page 23 RA/FA 60-EM Size A. Kirchner & Tochter GmbH Dieselstraße 17 · D-47228 Duisburg Fon: +49 2065 9609-0 · Fax: +49 2065 9609-22 Internet: www.kt-flow.de · e-mail: info@kt-flow.de -23- Version 2.2...
  • Page 24: Limit Value Switches Msk1/Msk12/Mskw

    12.4 Limit value switches MSK1/MSK12/MSKW Design MSK1 MSK12 Switching voltage 50 V AC/75 V DC 50 V AC/75 V DC Switching current max. 0,5 A max. 0,5 A Switching capacity max. 10 W/VA max. 10 W/VA Dielectric strength 230 V AC/400 V DC 230 V AC/400 V DC Temperature range -20 ...
  • Page 25: Right Angle Plug M12 X 1

    12.5 Right angle plug M12 x 1 M12 x 1 Right angle plug field-wireable female connector, Connector M12 x 1, angled Number of poles 4-pole, A-coding Contacts metal, CuZn, optalloy-plated Contact carriers plastic, PA, black Grip plastic, PBT, black Seal plastic, FKM Degree of protection IP67 only tightened with screws...
  • Page 26: Linear Displacement Sensor

    12.6 Linear displacement sensor Technical Data 4-wire 2-wire Measurement range 125 mm / 160 mm ≤ 0,1 % from measurement range Repeatability ≤ dependent upon position sensor Linearity deviation ≤ 1 % Temperature drift ≤ ± 0,006 %/K ≤ ± 0,03 %/K Ambient temperature -25 ...
  • Page 27: Low-Voltage Directive

    12.7 Low-Voltage Directive Above 50 V AC/75 V DC, contacts are subject to the EU Low Voltage Directive. The user is required to verify their use accordingly. A. Kirchner & Tochter GmbH Dieselstraße 17 · D-47228 Duisburg Fon: +49 2065 9609-0 · Fax: +49 2065 9609-22 Internet: www.kt-flow.de ·...
  • Page 28 The devices from Kirchner und Tochter have been tested in compliance with applicable EC/EU CE-regulations of the European Community. The respective declaration of conformity is available on request. Subject to change without notice. The current valid version of our documents can be found at www.kt-flow.de.

This manual is also suitable for:

Fa 60

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