SGB VLR Series Documentation

SGB VLR Series Documentation

Vacuum leak detector
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Vacuum leak detector
VLR ..
Art. No.: 605402
Documentation VLR
Issue:
06/2020
SGB GmbH
Hofstr. 10
57076 Siegen
GERMANY

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  • Page 1 Vacuum leak detector VLR .. Art. No.: 605402 Documentation VLR Issue: 06/2020 SGB GmbH Hofstr. 10 57076 Siegen GERMANY...
  • Page 2 The levels of availability and the possible combinations depend on the device. Please contact our sales team. Phone +49 0271 48964-0, email sgb@sgb.de VL(R) .. E FA P M MV LG LE S Si T “Tightness alarm”...
  • Page 3 VACUUM LEAK DETECTOR VLR .. Contents of the documentation Technical description, prepared by SGB 15 pages Drawings to the technical description 11 pages Appendix to the technical description 8 pages Appendix E: Height (diameter) and density 2 pages Appendix TD: Technical Data 1 page Appendix DP: Evaluating the display for the function "Tightness test"...
  • Page 4: Table Of Contents

    VACUUM LEAK DETECTOR VLR .. Table of contents Page Object Field of application Interstitial space requirements Material to be conveyed Resistance / materials Double-walled pipes with up to 5 or 25 bar pressure on the inner pipe Functional description Normal operation Air leak Liquid leak Switching values of the leak detector...
  • Page 5: Object

    VACUUM LEAK DETECTOR VLR .. 1. Object Vacuum leak detector of the type VLR ..(dots stand for alarm vacuum) as part of a leak detec- tion system in the following versions: a) VLR .. b) VLR .. /E (extended version, i.e. either a leak probe or solenoid valve or both can be con- nected in addition) Leak probe: Either in place of the liquid stop valve if special installation conditions or...
  • Page 6: Functional Description

    VACUUM LEAK DETECTOR VLR .. 2.4. Double-walled pipes (up to 5 bar or up to 25 bar) Suitable leak Type of pipe Installation ex- Use limits detector type ample P – 01 P Double-walled pipes made in the factory VLR 230 Appendix E, or on site with up to 5 bar pressure in the No.
  • Page 7: Switching Values Of The Leak Detector

    > 570 < 700 VLR .. - .. (/E) Special switching values agreed between SGB and customer The measured switching value for "alarm OFF" has to be at least 5 mbar smaller than the measured switching value for "pump OFF".
  • Page 8 VACUUM LEAK DETECTOR VLR .. : Alarm signal when the vacuum in the monitored system is below the switching val- Alarm p<p ue "alarm ON". NOTE: If an alarm probe should occur following this alarm signal, the alarm probe has priority! (i.e.
  • Page 9: Mounting Instructions

    VACUUM LEAK DETECTOR VLR .. 4. Mounting instructions 4.1. General notes (1) Heed manufacturers' approval for the tanks/pipes and the interstitial space. (2) Installation and start-up must be carried out by a qualified company (3) Heed relevant regulations concerning electrical installation (4) Heed and observe accident prevention regulations.
  • Page 10: Mounting The Probe (Vlr

    VACUUM LEAK DETECTOR VLR .. (8) Mount the liquid stop valve in the suction line (heed pressure resistance specified in 4.1). (9) Exhaust line must lead with slope to the tank ventilation outlet. In the case of laying with lowest points, use condensate traps. Alternatively: The exhaust line can terminate out in the open, at a non-dangerous spot.
  • Page 11: Mounting The Solenoid Valve(S) (Vlr

    VACUUM LEAK DETECTOR VLR .. (4) Dry relay contacts which open in the case of alarm. (5) Other versions can be agreed with the manufactures, since adaptation could be necessary. 4.4.2 Probe in place of the liquid stop valve (1) A probe can be integrated in the suction line as a component part of the installation kit in place of a liquid stop valve (agree version of installation kit (MBS) with the manufacturer).
  • Page 12: Electrical Connection

    VACUUM LEAK DETECTOR VLR .. 4.6.2 Solenoid valve(s) (1) Cable length should not be longer than 30 metres (2) Recommended cable type: NYM 3 x 1.5 mm , LiYY 3 x 0.75 mm with wire-end sleeves 4.7. Electrical connection (1) Voltage supply: see type plate. (2) Firmly laid, i.e.
  • Page 13: Start-Up

    VACUUM LEAK DETECTOR VLR .. 5. Start-up (1) Heed and observe specifications in chapter 4. (2) Carry out pneumatic connection. (3) Set up electrical connection, do not apply voltage supply yet. (4) Close the housing cover. (5) Apply voltage supply. (6) Establish lighting up of operating and alarm lamp as well as the audible alarm signal.
  • Page 14: Maintenance

    VACUUM LEAK DETECTOR VLR .. • Leak detection system is tight according to the table in the documentation • Leak detector is mounted outside the potentially explosive area • Conduits into and out of dome or control shafts are closed airtight •...
  • Page 15 VACUUM LEAK DETECTOR VLR .. (3) Open condensate traps and empty them. NOTE: Condensate traps can contain storage/conveying product(s), make sure you take suitable precautions. (4) Close condensate traps. (5) Three-way valves 20 and 21 to position I. (6) Open shut-off cocks on the interstitial space. 6.4.3 Testing the probe (1) If there are shut-off cocks on the interstitial space, close these.
  • Page 16 VACUUM LEAK DETECTOR VLR .. (5) Carry out the start-up sequence if necessary (see chapter 3.5.2). (6) Three-way valve 20 to position I, or close test valve and determine switching values "alarm OFF" and "pump OFF". Note values. (7) The test is considered passed if the switching values measured are within the specified values.
  • Page 17: Alarm

    VACUUM LEAK DETECTOR VLR .. 6.4.8 Tightness test on the leak detection system (1) Check that all the shut-off valves between the leak detector and interstitial space are open. (2) Connect the measuring gauge to three-way valve 21, position III. (3) For the tightness test, the vacuum pump must have reached the "pump OFF"...
  • Page 18: Index Used

    VACUUM LEAK DETECTOR VLR .. 8. Index used Signal lamp "alarm", red 01.2 Signal lamp "alarm 2", red (leak probe) Shut-off valve Exhaust line Signal lamp "operation", green Three-way valve in the suction line Three-way valve in the measuring pipe Needle valve 24.1 Fine-wire fuse T 1 A (230 VAC version) T 1 A (24 VDC version)
  • Page 19 27-11-2002 P - 060 000...
  • Page 20 p < 5 bar p < 5 bar 18-10-2002 P - 01...
  • Page 21 p < 5 bar p < 5 bar p < 5 bar p < 5 bar p < 5 bar p < 5 bar 18-12-2002 P - 02...
  • Page 22 p < 5 bar p < 5 bar p < 5 bar ÜR 1 p < 5 bar ÜR 2 18-12-2002 P - 03...
  • Page 23 p < 25 bar p < 25 bar 18-10-2002 Q - 01...
  • Page 24 p < 25 bar p < 25 bar p < 25 bar p < 25 bar p < 25 bar p < 25 bar 18-12-2002 Q - 02...
  • Page 25 p < 25 bar p < 25 bar p < 25 bar ÜR 1 p < 25 bar ÜR 2 18-12-2002 Q - 03...
  • Page 26 18-10-2002 Q - 04...
  • Page 27 17/60 24.1 24.3 21-02-2017 SL - 853 600...
  • Page 28 24.1 24.3 24.2 01.2 21-02-2017 SL - 854 800...
  • Page 29 90° 90° Kl. 1,0 17-12-2002 P - 115 392...
  • Page 30 APPENDIX E VACUUM LEAK DETECTOR VL(R) .. E.1 H Depending on density In this appendix, VL .. stands for all versions, i.e. also for VLR .. or VLR ../E Density of the max. product stored [kg/dm VL 230 VL 255 VL 330 VL 410 VL 500 VL 570 Aboveground tank(s) and pipe(s) Above- and under-...
  • Page 31 APPENDIX E VACUUM LEAK DETECTOR VL(R) .. E.3 Tanks according to DIN 6618 T2: 1989 and tubs with vaulted base and the same dimensions Diameter Height Max. density of the product stored [mm] [mm] [kg/dm VL 34 VL 230 VL 255 VL 330 VL 410 VL 500...
  • Page 32 APPENDIX TD VACUUM LEAK DETECTOR VL(R) .. Technical data 1. Electrical data Electrical supply (without external signal) 230 V, 50 Hz, 50 W 24 VDC, 50 W Switch contact load, terminal strips AS (5 and 6) 230 V max: 230 V, 50 Hz, 200 VA min: 20 mA 24 VDC...
  • Page 33 APPENDIX DP VACUUM LEAK DETECTOR VL(R).. Evaluating the display for the function "Tightness test" Chapter 3.5.2 described "Checking the tightness of the monitored system". This function can be used to obtain an indication of the tightness of the monitored system. This is only possible if the switching value "Alarm OFF"...
  • Page 34 APPENDIX ZD … VACUUM LEAK DETECTOR VLR .. 1. Subject ZD … "Additional pressure switch" for applications in which this equipment is required, e.g. when certain piping lengths are exceeded (see approval for double-walled pipes). 2. Field of application (1) ZD … can be installed outdoors (2) Components in contact with the conveyed product are made of V4A, PE and PP (3) Pressure-resistant up to 25 bar 3.
  • Page 35 APPENDIX ZD … VACUUM LEAK DETECTOR VLR .. VLR …/E WITH connected solenoid valve 4.2.2 (1) Press button on the ZD (so that it latches). This causes the "Sensor alarm" on the leak detector to go out. (2) Execute start-up sequence in accordance with the documentation for leak detector VLR …/E until the "Alarm OFF"...
  • Page 36 APPENDIX ZD … VACUUM LEAK DETECTOR VLR .. • NO need for a liquid stop valve underneath ZD … • NO need for a solenoid valve underneath ZD … (ZD … is pressure-resistant up to 25 bar) ZD-3 29/06/2013...
  • Page 37 TÜV Nord Statement on the use of type VLR vacuum leak detectors The VLR vacuum leak detector approved for connection to double walled pipes is now also to be used for the monitoring of double walled hoses by “System Klenk” designated “DWSL”.
  • Page 38 To remove the cover To open the cover B x H x T = 266 x 217 x 110 18-11-2003 Dimension / Drilling...
  • Page 39 T = 140 28-06-2005 Dimension / Drilling hrbild/Abmes...
  • Page 40 Work sheet: AB-820 500 Installation of screw connections 1 Flanged screw connection for flanged pipes 1. Oil o-rings 2. Place the intermediate ring loosely in the screw connection sleeve 3. Push the union nut and pressure ring over the pipe 4.
  • Page 41 Work sheet: AB-820 500 Installation of screw connections 4 Hose connections (4 and 6 mm nozzle for OVERPRESSURE) 1. Push the wire or screw clip over the hose 2. Push the hose onto the Cu pipe or hose nozzle (heat or moisten PVC hose as necessary).
  • Page 42 EU DECLARATION OF CONFORMITY SGB GmbH Hofstraße 10 57076 Siegen, Germany, hereby declare in sole responsibility that the leak detector VL(R) ../.. comply with the essential requirements of the EU directives listed below. This declaration shall lose its validity if the device is modified without consulting us.
  • Page 43 Vacuum leak detector type VLR .. Purpose of use: Class I vacuum leak detector for monitoring double-walled pipes Manufacturer: SGB GmbH, Hofstr. 10, 57076 Siegen, Germany Tel.: +49 271 48964-0, E-Mail: sgb@sgb.de Authorized representative: System for the evaluation and inspection of the reliability of performance:...
  • Page 44 Tel.: 040 8557-0 hamburg@tuev-nord.de Fax: 040 8557-2295 www.tuev-nord.de Certification Note: Translation of the German test report Contracting body: SGB GmbH Hofstraße 10 D-57076 Siegen Manufacturer: See above Subject of testing: Leak detectors with leak detector system type VL .../VLR ... according to...
  • Page 45 The warranty is also subject to our General Terms and Conditions of business (see these online at: https://sgb.de/en/contact/generaltermsandconditions). In case of malfunction, please contact your local specialist company: Stamp of the specialist company Yours sincerely SGB GmbH Hofstr. 10 57076 Siegen Germany T +49 271 48964-0 sgb@sgb.de...

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