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Overpressure leak detector

DLR-GS

Documentation DLR-GS

SGB

GMBH

Hofstraße 10

57076 Siegen

GERMANY

No.: 604

302

Issue: 05/2015

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Summary of Contents for DLR-GS PMN Series

Page 1: ...Overpressure leak detector DLR GS Documentation DLR GS SGB GMBH Hofstra e 10 57076 Siegen GERMANY No 604 302 Issue 05 2015...

Page 2: ...t up again Pressure gauge M the leak detector is equipped with a digital pressure display in the cover on the housing Protected P version of the leak detector in a weather proof housing IP54 Numerical...

Page 3: ...ngs relating to the technical description 4 pages 3 Appendix to the technical description 2 pages 4 Dimensions and drilling template 2 pages 5 Work Sheet AB 820 500 Mounting screwed connections 2 page...

Page 4: ...quipment 5 4 3 Installation of the leak detector 5 4 4 Installation of the connecting lines leak detector interstitial space 6 4 5 Selecting the pressure reducer 6 4 6 Gas canister and pressure reduce...

Page 5: ...ranch should not exceed 2500 m or as specified in the approval requirements of the pipeline 2 2 Pipes Double walled pipes made of metal or plastic assembled in the plant or on site For Germany more fa...

Page 6: ...places Values 1 bar are displayed in bar to two decimal places values 10 bar to one decimal place Values in PSI are displayed to one or two decimal place s 3 1 Switching values and pressure values A...

Page 7: ...s Alarm acoustic alarm signal acknowledged reset Device fault OPERATION green ON ON ON ON ON ALARM red OFF OFF ON FLASHING ON FEED yellow OFF ON ON ON OFF 3 5 2 Operating functions via pushbuttons Swi...

Page 8: ...uipment The parts listed here apply in particular to safety when working on systems which pose an explosion hazard If work is carried out in areas with a potentially explosive atmosphere then the foll...

Page 9: ...to be used refer to Work Sheet AB 820 500 see Information 4 5 Selecting the pressure reducer 1 The pressure reducer must have a built in pressure relief value 2 The adjusting range of the selected pr...

Page 10: ...in the event of an alarm and in the event of a power failure 17 18 12 V is applied to these terminals if the pressure falls below the Feed required point Suitable for connecting a relay 12 V for poten...

Page 11: ...Switch positions for the pressure levels switches 1 to 9 are shown in Appendix B for each pressure level 6 Operating instructions 6 1 General notes 1 It can be assumed that the system will work correc...

Page 12: ...ection medium for conveyed fluids with flashpoint 55 C Use of nitrogen as the leak detection medium for conveyed fluids with flashpoint 55 C for conveyed fluids with flashpoint 55 C if the interstitia...

Page 13: ...on the pressure reducer 9 Open stop cock 2 2 10 Pressure build up until pressure setpoint during filling monitor the pressure on the pressure reducer test pressure must not be exceeded and re adjust i...

Page 14: ...ours in a year That gives a maximum tolerable pressure drop per hour to prevent an alarm being triggered before the end of one year If the value calculated is not measurable the pressure drop can be m...

Page 15: ...s must be followed Check that no gas is present before and during the work Seal any openings gas tight which could otherwise allow the spread of an explosive atmosphere Do not use electrical equipment...

Page 16: ...mA 25 Canister shut off valve 30 Housing 45 Signal lamp Feed required available as an option 51 Test connection 57 Test valve 59 Relay 69 Buzzer 71 Acoustic alarm button 76 Main circuit board 77 Press...

Page 17: ...88 88 57 57 13 04 2007 M1 075 000 45 71 69 01 09 06 2 14 05 77 25 19 bar 0 16 10 bar 0 100 200 300 02 99...

Page 18: ...99 99 57 57 88 88 88 76 30 02 13 04 2007 M2 075 000 14 05 77 25 19 bar 0 16 10 bar 0 100 200 300 06 2...

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Page 21: ...not before pAOFF Alarm OFF switching value the alarm is cancelled when this value is exceeded Type 1 to 8 approx 250 mbar Type 10 to 16 approx 500 mbar pSETPT Pressure setpoint which should be built u...

Page 22: ...ting alarm loop terminals 230 V 50 Hz 1 A Contact rating potential free contacts max 230 V 50 Hz 2 A min 10 V 10 mA External fusing of the leak detector max 10 A Overvoltage category 2 2 Pneumatic dat...

Page 23: ...18 11 2003 Dimension Drilling To remove the cover To open the cover 170 230 6 B x H x T 266 x 217 x 110 266 30 100 217 250 350...

Page 24: ...28 06 2005 Drilling Dimensions 200 300 260 220 T 140 8...

Page 25: ...thread of the basic body 3 Olive threaded fitting for plastic and metal pipes 1 Insert the reinforcing sleeve into the end of the pipe 2 Knock in the reinforcing sleeve 3 Push the union nut and the o...

Page 26: ...ay round 3 Wire clip clamp tightly using pliers and push onto the joint Screw clip push the clip over the joint and tighten it using a screwdriver care must be taken that the clip is a smooth tight fi...

Page 27: ...N 61 000 3 2 2014 EN 61 000 3 3 2013 73 23 EEC Low Voltage Directive EN 60 335 1 2012 EN 61 010 1 2010 EN 60 730 1 2011 89 106 EEC Construction Products Directive EN 13 160 1 2 2003 Approved body T V...

Page 28: ...the design of a leak detector as part of a leak indication device Client SGB Sicherungsger tebau GmbH Hofstra e 10 57076 Siegen Dipl Ing T V NORD GmbH Gro e Bahnstra e 31 22525 Hamburg Tel 040 855721...

Page 29: ...detection device Air or an inert gas can be used as the leak detection medium whereby the conditions laid out in section 6 3 of the technical description must be complied with On this leak detector co...

Page 30: ...ant of the device the overpressure in the interstitial space can only be generated by means of an externally connected pressure gas accumulator whereby compressed air or inert gas can be used as the l...

Page 31: ...detection devices for containers and pipes It was tested in conjunction with the technical description design drawings and the current flow diagrams as well as the installation and operating instruct...

Page 32: ...ns External forwarding of an alarm is ensured via the switching of a potential free relay whereby the device is protected against the circuit of the external alarm and through an interconnected additi...

Page 33: ...perating pressure of the leak detector Every leak detector should be operated in such a way that the maximum permitted operating pressure of the interstitial space in the pipe and the components of th...

Page 34: ...or operation of the leak detector without a pressure controlled feed operating mode M a pressure accumulator should be permanently connected to the leak detector if a pressure increase up to the alarm...

Page 35: ...ak detectors for pipes ZG LAGR DIN EN 13160 and of the DIN VDE regulations was tested 3 Result From the point of view of the testing centre for leak detectors of T V NORD there were no concerns regard...

Page 36: ...e effective only if the customer submits to us the functional report or test report on initial putting into service prepared by a recognised company specialised in water and water protection systems i...

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