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VACUUM LEAK DETECTOR 

VLR .. 

and

 VLR .. MV

             20/05/2020

 

- 26 - 

5.7.2  Double-walled pipe, connected in parallel, with solenoid valve in the connection line. To be 

used for feed pressures 5

 

bar > p < 25 bar in the inner pipe. Version VLR .. MV 

 

 

02 Shut-off valve 

44 Solenoid valve 

20  Three-way valve, suction line 

57  Test valve 

21  Three-way valve, measuring line 

68  Suction line 

27  Liquid stop valve 

74  Connection line 

27* Liquid stop valve, connected 

88  Double-walled pipe 

 

against the flow direction 

95  Pressure compensation vessel 

43 Measuring line 

96 Node point 

 

 

 

88

68

27

27*

96

74

02

95

43

57

bar

bar

bar

H

max

H

max

H

ma

x

20

21

44

H

ma

x

Mounting 

Содержание VLR 330

Страница 1: ...Documentation Vacuum leak detector VLR in 100 240 V AC and 24 V DC Read instructions prior to commencing any work As of 05 2020 Item no 605 342...

Страница 2: ...dule Leak detector online diag nosis remote monitoring with wireless module Solenoid valve MV An MV with monitored function can be connected for applications with high pressure in the inner pipe Manom...

Страница 3: ...ction 13 4 1 Design 13 4 2 Normal Operating Conditions 15 4 3 Air Leaks 15 4 4 Liquid Leaks 15 4 5 Pressure Increase Above Atmospheric Pressure in the Interstitial Space When Using a Leak Detector VLR...

Страница 4: ...2020 4 9 Spare Parts 40 10 Accessories 40 11 Appendix 41 11 1 Dimension and drilling illustration 41 11 2 Declaration of Conformity 43 11 3 Declaration of Performance DoP 44 11 4 Declaration of Compl...

Страница 5: ...y WARNING Potentially hazardous situation which if not avoided could result in death or serious injury CAUTION Potentially hazardous situation which if not avoided could result in minor or moderate in...

Страница 6: ...he leak detector must be stated The obligation of warranty shall cease to exist in the case of Inadequate or improper installation Improper use Modifications repairs without consent of the manufacture...

Страница 7: ...therefore subject to statutory occupational safety obligations In addition to the safety instructions in this documentation all appli cable safety accident prevention and environmental regulations mus...

Страница 8: ...ar hard hat Wear gloves where necessary Wear safety goggles where necessary 2 5 Fundamental Hazards DANGER From electric current When working on the open leak detector it must be disconnected from the...

Страница 9: ...de the access chambers Pneumatic connection is usually performed inside the access cham ber Therefore the chamber must be entered in order to complete the mounting process Before entering the correspo...

Страница 10: ...d additional pressure switch 25 bar 90 bar feed pressure 3 2 Electrical Data Power supply 100 to 240 V AC 50 60 Hz or 24 V DC Power input 50 W incl heating Terminals 5 6 external signal max 24 V DC ma...

Страница 11: ...n VLR 330 to VLR 570 with solenoid valve and only in con junction with an additional pressure switch o In particular applications single pipe downward gradient to the low point of the interstitial spa...

Страница 12: ...resistant to the liquids being moni tored o Liquids hazardous to water must not develop explosive vapor air mixtures not even those that can arise through stored conveyed liquid in contact with air hu...

Страница 13: ...icator light red 01 2 Alarm 2 indicator light yellow 09 Operation indicator light green 20 Three way valve in the suction line 21 Three way valve in the measuring line 36 Commissioning key 60 Vacuum p...

Страница 14: ...the suction line 21 Three way valve in the measuring line 60 Vacuum pump 61 Check valve with filter 69 Buzzer 75 Display board 76 Main board 102 Pressure sensor 139 Keypad 140 Contact for serial data...

Страница 15: ...ntil the Alarm ON switching value is reached This triggers the visual and audible alarms 4 4 Liquid Leaks In the event of a liquid leak the liquid enters the interstitial space and collects in the low...

Страница 16: ...6 2 Function Turn off audible alarm signal Briefly press Sound off key once audible signal turns off and the red LED flashes Pressing the key again will turn the audible signal on This function is not...

Страница 17: ...in the system is displayed again For the tightness inquiry function the leak detector must have per formed at least 1 automatic refilling interval in normal operating condi tions i e without external...

Страница 18: ...on chambers the oxygen content must be tested and the inspection chamber flushed if necessary o When using metallic connection lines proper equipotential bond ing must be ensured alternatively electri...

Страница 19: ...p and a liquid stop valve in the exhaust line o Caution An exhaust line which ends outdoors must not in any cir cumstances be used to detect leaks e g by sniffing Attach warning signs if necessary 5 3...

Страница 20: ...e liquid stop valves installed against the direction of flow 27 pre vent the other interstitial spaces from becoming filled with liquid in the event of a leak in a pipeline The interstitial space volu...

Страница 21: ...support sleeve only plastic pipes into end of the pipe 2 Insert pipe with support sleeve all the way to the stop 3 Screw fitting up until the resistance rises sharply 1 turns 4 Loosen nut 5 Tighten th...

Страница 22: ...ntacts the potential free contacts of a leak de tection probe can be connected here 11 12 Potential free contacts opened in case of alarm or loss of power 12 13 As above but contacts closed 17 18 Pote...

Страница 23: ...nect more cables to the terminals using the same process 5 6 2 Data bus module DBM The data bus module is used to provide the status and operating data for the inquiry via the data bus of the higher l...

Страница 24: ...g 97 Leak detection probe 102 Pressure sensor 103 Display 128 Switching power supply 139 Keypad 146 Solenoid valve monitoring board MV board 169 Data bus module DBM Mounting 5 4 3 2 1 6 PE N L 24 40 8...

Страница 25: ...e inner pipe Version VLR 02 Shut off valve 20 Three way valve suction line 21 Three way valve measuring line 27 Liquid stop valve 27 Liquid stop valve connected against the flow direction 43 Measuring...

Страница 26: ...n VLR MV 02 Shut off valve 44 Solenoid valve 20 Three way valve suction line 57 Test valve 21 Three way valve measuring line 68 Suction line 27 Liquid stop valve 74 Connection line 27 Liquid stop valv...

Страница 27: ...5 bar p 90 bar in the inner pipe 02 Shut off valve 20 Three way valve suction line 21 Three way valve measuring line 27 Liquid stop valve 43 Measuring line 44 Solenoid valve 57 Test valve 68 Suction l...

Страница 28: ...way valve suction line 21 Three way valve measuring line 27 Liquid stop valve 27 Liquid stop valve connected against the flow direction 43 Measuring line 57 Test valve 68 Suction line 74 Connection li...

Страница 29: ...ipe connected in series 02 Shut off valve 20 Three way valve suction line 21 Three way valve measuring line 27 Liquid stop valve 43 Measuring line 68 Suction line 82 Nozzle for assembly pump 88 Double...

Страница 30: ...line 21 Three way valve measuring line 27 Liquid stop valve 43 Measuring line 57 Test valve 68 Suction line 74 Connection line 88 Double walled pipe 95 Pressure compensation vessel 96 Node point Here...

Страница 31: ...n a test period in minutes calculated from the interstitial space volume divided by 10 E g The test period for an interstitial space volume of 800 liters is 800 10 80 minutes Within this test period t...

Страница 32: ...the operating vacuum of the leak detector has been reached pump in leak detector shuts off turn three way valve 20 180 switch off the assembly pump and remove it 8 Turn three way valve 21 180 and rem...

Страница 33: ...er gener ate an alarm unless the power loss has caused the pressure to drop below the alarm pressure 7 CAUTION For single walled tanks equipped with a flexible leak protection lining the interstitial...

Страница 34: ...with solenoid valve 7 3 7 o Check the additional pressure switch in conjunction with VLR version with solenoid valve 7 3 8 o Check the probe if used 7 3 9 o Create the operating condition 7 3 10 o A...

Страница 35: ...rating position and remove the measuring gauge 7 3 3 Testing the switching values with the testing device see Section Accessories 1 Connect the testing device to the two tube ends on each of the free...

Страница 36: ...irement is defined in Section 6 1 Determine the test period for each interstitial space connected and or the entire monitored system calculate or use test re ports prepared by SGB GmbH 2 Attach the me...

Страница 37: ...solenoid valve switches 5 Check the corresponding alarm s 6 Relieve pressure probe alarm stops and the solenoid valve switches 7 Close the shut off cock at 82 and remove the pressure booster 8 Open t...

Страница 38: ...sition 3 Seal the housing 4 Seal the shut off cocks between the leak detector and interstitial space for each connected interstitial space in the open position 5 Attach a sign with troubleshooting inf...

Страница 39: ...ignal by activating the Sound off key if available 5 Inform the installation company 6 The installation company must detect the cause and correct it CAUTION Depending on the tank pipelines there could...

Страница 40: ...find accessories on our website shop sgb de for example Assembly kits Electrical isolators Manifolds with suction measuring connections expansion mani folds e g art no 195420 195434 Testing device me...

Страница 41: ...and drilling illustration 11 1 1 Plastic housing Depth 110 Appendix 40 40 41 41 03 03 04 04 21 21 22 22 05 05 06 06 13 13 12 12 11 11 17 17 18 18 19 19 09 09 10 10 1L 1L 1L 1L 2N 2N 2N 2N ON ON 1 1 2...

Страница 42: ...VACUUM LEAK DETECTOR VLR and VLR MV 20 05 2020 42 11 1 2 Stainless steel housing Depth 80 mm Appendix 220 243 268 250 280 8 5 310...

Страница 43: ...ts of the EU directives listed below If the device is modified in a way that has not been agreed with us this declaration shall lose its validity Number short title Satisfied regulations 2014 30 EU EM...

Страница 44: ...N 13160 1 2 2003 Notified body T V Nord Systems GmbH Co KG CC Tankanla gen Gro e Bahnstra e 31 22525 Hamburg Germany Identification number of the notified testing laboratory 0045 7 Declared performanc...

Страница 45: ...20 05 2020 VACUUM LEAK DETECTOR VLR and VLR MV 45 11 5 T V Nord Certification Appendix...

Страница 46: ...__________________________________________ ______________________________________________________________________________ ______________________________________________________________________________...

Страница 47: ...__________________________________________ ______________________________________________________________________________ ______________________________________________________________________________...

Страница 48: ...20 05 2020 48 Text Text Legal notice SGB GmbH Hofstr 10 57076 Siegen Germany T 49 271 48964 0 Photos and sketches are not binding for the scope of delivery E sgb sgb de Subject to change without notic...

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