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fafnir 81 D-Ex Series, Technical Documentation Manual

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Page 19/46 

Installation 

4.4

 

Adjustment dimension 

4.4.1

 

Adjustment dimension X for cyl. horizontal tanks according to DIN 

6608/ -16/ -17/ -24 and EN 12285 

(See Tables 1, 2, 3 or 7) 

 

For tanks, the diameters of which are not detailed in the tables, the adjustment 
dimension must be selected for the next largest tank diameter. 

 

 

 
 
b = distance between the tank bottom and the tank lid (hexagon nut seat) 
h = max. filling height / response height (see tables 1–3, 7) 
D =  tank diameter 
x =  Overfill Prevention Sensor adjustment dimension (see tables 1–3, 7) 

y =  control dimension to check the position of the Overfill Prevention Sensor 
 
 
 

 

x

b

h

D

y

Figure 14: Tanks in accordance with DIN 6608, 6616, 6617, 6624 and EN 12285 

Pr

ob

e l

en

gt

h

 

y = probe length – x 

Summary of Contents for 81 D-Ex Series

Page 1: ...nackenburgallee 149 c 22525 Hamburg Tel 49 40 39 82 07 0 Fax 49 40 390 63 39 Technical Documentation Overfill Prevention Sensor e OPS 81 D Ex and 83 UV Version 5 Edition 2019 02 Art no 350237 FAFNIR GmbH DIN EN 13616 ...

Page 2: ... 13 3 5 1 Pipe fitting 13 3 5 2 Wall fitting 13 3 5 3 Cross Over Prevention COP 14 3 5 4 Filling Hose Safety FHS 14 3 5 5 Product Identification Device PID 14 3 5 6 Coding example 14 4 Installation 16 4 1 Mounting 16 4 2 Installation height 17 4 3 Mounting distance for installation in the manhole 18 4 4 Adjustment dimension 19 4 4 1 Adjustment dimension X for cyl horizontal tanks according to DIN ...

Page 3: ...te 81 D Ex and 83 UV 35 8 4 Instructions 81 D Ex and 83 UV 38 8 5 Declaration of performance 81 D Ex 41 8 6 Declaration of performance 83 UV 42 8 7 TÜV test report 81 D Ex 43 8 8 TÜV test report 83 UV 45 Copyright Reproduction and translation are permitted only with the written consent of FAFNIR GmbH FAFNIR GmbH reserves the right to carry out product alterations without prior notice ...

Page 4: ...plifier in form of binary signals According to the resistance value liquid level in the tank the actuator in the tank truck is either opened so that the fuel can be filled or closed so that the fuel supply is interrupted Connection between the Overfill Prevention Controller and the Overfill Prevention Sensor The connection between the Overfill Prevention Controller on the tank truck and the Overfi...

Page 5: ...read out by the Overfill Prevention Controller in the tank truck The liquid can only be released if the dispensing product coincides with the product in the tank The analogue Filling Hose Safety FHS is used to monitor the hose The connections of the fill ing hose and the vapour recovery are monitored via the connection cable of the Overfill Pre vention Controller The liquid can only be released wh...

Page 6: ...r this reason the following Safety Instructions must be observed The proper function of the Overfill Prevention Sensors is only guaranteed in combina tion with an approved Overfill Prevention Controller in the tank truck Do not change or modify the Overfill Prevention Sensors or the overall system or add any equipment without the prior consent of the manufacturer Only use original parts These comp...

Page 7: ...ube above the groove marking The probe length represents the distance between the groove marking on the upper end of the probe and the groove marking on the protective sleeve at the height of the sensor 3 2 Function The PTC resistor is heated up after connecting the Overfill Prevention Sensor with the signal amplifier of the Overfill Prevention Controller on the tank truck After achieving a certai...

Page 8: ...PS 83 plus Petrol with up to 85 ethanol Aviationgaso lines Aviation ker osenes Industrial spirits Solvents See the appendix for the detailed list of substances for the 81 D EX Overfill Preven tion Sensor The storage tanks must be approved for the liquids to be stored in them 3 4 Structure Overfill Preven tion Sensor 83 UV 83 UV A 83 UV C 81 D Ex 81 D Ex U Probe tube Brass Stainless steel Stainless...

Page 9: ...UV with pipe fitting Ø 24 35 42 Ø 60 18 150 Protective cage Plug insert Pipe fitting Type plate Probe length permanently engraved Groove marking Locking screw DIN 912 M6 x 8 SW 5 Gland screw SW 36 Screw in unit SW 41 Thread G1 Response point Dimensions in mm Probe length 100 6 000 mm Control dimen sion y Adjustment dimension x ...

Page 10: ...42 18 91 105 SW 55 Ø 60 Cable gland Junction box Type plate Probe length permanently engraved Groove marking Locking screw DIN 912 M6 x 8 SW 5 Gland screw SW 36 Screw in unit SW 41 Thread G1 Response point Dimensions in mm Probe length 100 6 000 mm Control dimen sion y Adjustment dimension x Protective cage Plug insert Wall fitting Connection cable on site ...

Page 11: ...ensor 83 UV A 42 16 10 18 140 60 Protective cage Plug insert Pipe fitting Earth connection Type plate Probe length engraved Groove marking Locking screw DIN 912 M6 x 8 SW 5 Gland screw SW 36 Screw in unit SW 41 Thread G1 Response point Dimensions in mm Adjustment dimension x Probe length 100 6 000 mm Control dimen sion y ...

Page 12: ...2 104 60 42 18 Probe length 100 6 000 mm Control di mension y Adjustment dimension x Cable gland Junction box Type plate Probe length permanently engraved Groove marking Locking screw DIN 912 M6 x 8 SW 5 Gland screw SW 36 Screw in unit SW 41 Thread G1 Response point Dimensions in mm Protective cage Plug insert Wall fitting Connection cable on site ...

Page 13: ...C Figure 6 Overfill Prevention Sensor 83 UV C 10 28 65 16 Adjustment dimension x Probe length 100 6 000 mm Control dimen sion y Cable gland PG 9 Groove marking Cylinder screw DIN 912 M4x6 VA Gland screw SW 27 Screw in unit SW 27 Thread G3 4 Response point Dimensions in mm ...

Page 14: ...with pipe fitting Ø 24 35 42 Ø 60 18 150 Protective cage Plug insert Pipe fitting Type plate Probe length permanently engraved Groove marking Locking screw DIN 912 M6 x 8 SW 5 Gland screw SW 36 Screw in unit SW 41 Thread G1 Response point Dimensions in mm Probe length 100 6 000 mm Control dimen sion y Adjustment dimension x 16 24 3 35 ...

Page 15: ... SW 55 Ø 60 Cable gland Junction box Type plate Probe length permanently engraved Groove marking Locking screw DIN 912 M6 x 8 SW 5 Gland screw SW 36 Screw in unit SW 41 Thread G1 Response point Dimensions in mm Probe length 100 6 000 mm Control dimen sion y Adjustment dimension x Protective cage Plug insert Wall fitting Connection cable on site 16 24 3 35 84 91 SW 58 SW 55 ...

Page 16: ...Overfill Prevention Sensor are located in the manhole the connection fitting for the Overfill Prevention Sensor is to be a pipe fitting Figure 9 Pipe fitting type 907 with plug insert type 901 3 5 2 Wall fitting If the supply connection is at a distance from the tank e g in a remote filling pit the Overfill Prevention Sensor with junction box and wall fitting is used The connection between junctio...

Page 17: ...ted via connection cable from the Overfill Prevention Controller of the tank truck to the Overfill Prevention Sensor and then via the hoses back to the Overfill Prevention Controller Only when the filler hose for petrol also the vapour recovery hose is safely connected the delivery can take place Contact is made via the type FP 901 FHS plug insert 3 5 5 Product Identification Device PID If a conne...

Page 18: ...ype FP 907 FHS with plug insert type FP 901 1 6 FHS Cross Over Prevention COP Wall fitting type FPW 907 with plug insert type FP 901 1 6 Filling Hose Safety FHS Wall fitting type FPW 907 FHS with plug insert type FP 901 H 1 6 FHS Figure 11 Pug insert with COP FHS locking system PG7 PG11 Ø5 2x 105 Ø60 29 66 PG11 PG7 M6 2x 105 Ø60 29 84 Dimensions in mm ...

Page 19: ...nt and screw into the tank coupling Release the locking screw and the stuffing box see Figure below To obtain the correct position the Overfill Prevention Sensor can be moved upwards and fixed in position Figure 12 Screw in unit 2 Determine the adjustment dimension x for the Overfill Prevention Sensor see Sec tion 4 4 The adjustment dimension x is the distance between the hexagon nut seat of the s...

Page 20: ...tanks minimum 300 mm earth covering is not exceeded The adjustment dimension x cakes into consideration a manway nozzle height of 100 mm for tanks according to DIN 6608 6616 6618 and EN 12285 and 60 mm for tanks according to DIN 6619 6623 and 6624 as well as an overall thickness of 20 mm of the tank lid including sealing see Tables of adjustment dimensions In the case of different heights the adju...

Page 21: ...ce for installation in the manhole When installing Overfill Prevention Sensors in manholes the distance between the top edge of the connection fitting and the lower edge of the manhole cover should not be less than 20 mm and not more than 300 mm ...

Page 22: ...ension must be selected for the next largest tank diameter b distance between the tank bottom and the tank lid hexagon nut seat h max filling height response height see tables 1 3 7 D tank diameter x Overfill Prevention Sensor adjustment dimension see tables 1 3 7 y control dimension to check the position of the Overfill Prevention Sensor x b h D y Figure 14 Tanks in accordance with DIN 6608 6616 ...

Page 23: ...mension must be selected for the next largest tank diameter b distance between the tank bottom and the tank lid hexagon nut seat h max filling height response height see tables 4 6 D tank diameter x Overfill Prevention Sensor adjustment dimension see tables 4 6 y control dimension to check the position of the Overfill Prevention Sensor x b h y Figure 15 Tanks in accordance with DIN 6619 and 6623 P...

Page 24: ...ponse height see tables 7 8 x Overfill Prevention Sensor adjustment dimension see tables 7 8 y control dimension 1 Use value a from table 8 2 Measuring the auxiliary distance c upper edge of tank shell up to hexagon nut seat Calculate the adjustment dimension x x a c 3 If the determination of the adjustment dimension x is not possible by this proce dure following method can also be used Measure va...

Page 25: ... filling height response height H shell height x Overfill Prevention Sensor adjustment dimension y control dimension 1 Measuring the H shell height The H dimension represents the distance between the bottom plate and the upper edge of the tank shell 2 Calculating the filling height h which corresponds to the permitted filling ratio h H 0 95 3 Measuring the vertical auxiliary distance dimension c 4...

Page 26: ...n X for cylindrical horizontal tanks according to DIN 6608 for underground storage with more than 300 mm earth covering Tank diameter D mm Nominal volume tank or compartment m Maximum filling height h mm Adjustment dimen sion x mm 1 000 1 795 320 1 250 3 1 095 270 1 990 375 1 600 16 1 465 250 13 1 460 255 10 1 455 260 7 1 440 275 5 1 430 285 3 1 395 320 2 1 355 360 2 000 30 1 840 275 25 1 835 280 ...

Page 27: ...artment m Maximum filling height h Adjustment dimen sion x mm 1 000 1 775 340 1 250 3 1 065 300 1 965 400 1 600 16 1 420 295 13 1 415 300 10 1 410 305 7 1 400 315 5 1 385 330 3 1 355 360 2 1 320 395 2 000 30 1 785 330 25 1 780 335 20 1 775 340 16 1 770 345 13 1 765 350 10 1 760 355 7 1 745 370 5 1 725 390 2 500 60 2 235 380 50 2 230 385 40 2 230 385 30 2 225 390 25 2 220 395 20 2 215 400 10 2 185 ...

Page 28: ... volume of tank or compartment m Maximum filling height h mm Adjustment dimension x mm 2 000 7 0 2 145 385 5 0 1 500 385 2 500 11 5 2 240 460 2 900 15 0 2 230 505 Table 5 Adjustment dimension X for standing tanks according to DIN 6619 1968 07 Tank diameter D mm Nominal volume of tank or compartment m Maximum filling height h mm Adjustment dimension x mm 1 250 1 7 1 325 230 1 600 5 0 2 430 275 3 8 ...

Page 29: ...0 765 13 6 350 605 10 4 895 450 7 3 460 275 2 000 25 7 856 678 20 6 313 641 2 500 40 8 066 727 30 6 100 558 2 900 60 9 026 550 50 7 565 826 Table 8 Adjustment dimension X for cylindrical standing tanks according to DIN 6618 1981 10 Part 1 4 Tank diameter D mm Nominal volume of tank m Adjustment dimension x mm 1 600 16 7 800 13 6 350 10 4 895 7 3 460 2 000 25 7 856 20 6 313 2 500 40 8 066 30 6 100 ...

Page 30: ...5 750 365 760 355 1 250 1 910 455 930 435 940 425 1 5 970 395 995 370 1 010 355 2 1 005 360 1 030 335 1 045 320 3 1 040 325 1 070 295 1 080 285 1 600 2 1 280 435 1 315 400 1 330 385 2 5 1 310 405 1 340 375 1 360 355 3 1 325 390 1 360 355 1 380 335 4 1 350 365 1 390 325 1 405 310 5 1 370 345 1 410 305 1 425 290 7 1 385 330 1 425 290 1 445 270 10 1 400 315 1 440 275 1 465 250 13 1 405 310 1 450 265 ...

Page 31: ...2 195 420 10 2 170 445 2 240 375 2 275 340 15 2 195 420 2 260 355 2 300 315 20 2 205 410 2 275 340 2 315 300 25 2 215 400 2 285 330 2 325 290 30 2 220 395 2 290 325 2 330 285 40 2 225 390 2 295 320 2 335 280 50 2 230 385 2 300 315 2 340 275 60 2 230 385 2 300 315 2 340 275 2 900 10 2 500 510 2 580 430 2 625 390 20 2 550 460 2 635 375 2 680 330 30 2 565 445 2 650 360 2 695 315 40 2 575 435 2 660 35...

Page 32: ...ies the correspond ing national rules and regulations must be observed Storage facilities for static tanks filler points petrol stations airport refuelling equip ment and their components e g Overfill Prevention Sensors must be tested by an approved inspection agency prior to commissioning re commissioning after modifi cations subject to testing as well as repeatedly at specific testing intervals ...

Page 33: ...s in accordance with DIN 4119 22 7 List of tables Table 1 Adjustment dimension X for cylindrical horizontal tanks according to DIN 6608 23 Table 2 Adjustment dimension X for cylindrical horizontal tanks according to DIN 6608 6616 and 6617 24 Table 3 Adjustment dimension X for cylindrical horizontal tanks according to DIN 6624 25 Table 4 Adjustment dimension X for standing tanks according to DIN 66...

Page 34: ...tances I for Overfill Prevention Sensors 81 D Ex and 81 D Ex U Aviation fuels in accordance with specification Abbreviations Bundesrepublik Deutschland Fe deral Republic of Germany Nato Code United Kingdom USA Bundesrepublik Deutschland Federal Re public of Ger many Nato Code United Kingdom USA Aviation Gasoline 80 82 UL MIL G 5572 F AVGAS 80 82 UL AVGAS Grade 80 82 UL Aviation Gasoline 100 DERD 2...

Page 35: ...l wide cut type Jet B VTL 9130 006 4 DERD 2454 Edition 8 MIL T 5624 L F 40 2 F 45 AVTAG JP 4 Aviation turbine fuel high flash type VTL 9130 007 4 respective VTL 9130 010 2 DERD 2452 Edition 8 MIL J 5624 L F 44 AVCAT JP 5 Jet fuel MIL J 25656 B USAF JP 6 Turbine fuel low volatility MIL T 38219 USAF JP 7 Aviation turbine fuel kerosene type Jet A 1 DERD 2453 MIL T 83133 D F 34 AVTUR FSII JP 8 1 F34 F...

Page 36: ... DIN 51 631 Test benzines to DIN 51 632 Safety lamp benzines to DIN 51 634 FAM regular gasolines to DIN 51 635 Lighting burning and solvent petroleum to DIN 51 636 Aliphatic hydrocarbons Pentane Hexane n hexane octane Nonane Decane n decane iso decane Aromatic hydrocarbons Benzene tuluol xylol Solvent naphta light to DIN 51 63 Alcohols Propanol Butanol Ethanol Table 13 List of Substances IV Specia...

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Page 41: ...81 D Ex 83 UV LS 300 and SEPARIX T III b assembling and dismantling Assembling and dismantling must solely be carried out with the power disconnected For sensors with connection housing the cover of the connection housing may be removed for the electrical installation After installation the connection housing must be locked again III c installation The wiring must be carried out only with the powe...

Page 42: ...enance servicing and emergency repair The sensors are generally maintenance free In case of a defect the sensors must be sent back to the manufacturer or one of its representations The sensors in particular the probe tip may be cleaned Grease dissolving cleansing agents can be used to remove any firmly clinging grease or oil residues Sharp edged objects are unsuitable for the purpose of cleaning s...

Page 43: ...nge 20 C 60 C Pressure range 0 8 bar to 1 1 bar Oxidants Air oxygen content approx 21 The sensors achieve a housing protection of Degree of protection IP68 The following technical data apply to sensors with overvoltage protection The nominal DC spark over voltage amounts to U 350 V 20 The nominal impulse discharge current amounts to I 20 kA 10 Wave 8 20 µs The nominal alternating discharge current...

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Page 52: ...FAFNIR GmbH Schnackenburgallee 149 c 22525 Hamburg Germany Tel 49 40 39 82 07 0 Fax 49 40 390 63 39 E mail info fafnir com Web www fafnir com ...

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