Liquid Level Gauges
Contents
1. Alu Standard Y2 13UNC or M12 89mm Stainless Steel Y2 13UNC or M12 89mm ASA 300Lbs R F 3 M20 168mm DIN 80 PN 25 M16 160mm Centerline Mount Straddle Mount When ordering a straddle mounted Magnetel add suffix X to model number IVO TJ NALS NOLLISOd DNILNOOW TASTA TALANVIA ACISNI ANVIL TALANVIA 4AIS LNO ANVL O4 AAANALNI 49NVO SOA MHADS oN HOIV 8 ON SA LHNSVD ON useW IS If AdAL ALLLNVNO oN Od WANWOLSNO UH aN THAON us TVYNOLLVYNAALNI SIDNVD TALSATHOOU CD INSPECTION OF GAUGE Before attempting the installation of the gauge verify if the gauge is adequate for your application The gauges are supplied packed in a cardboard box with a sticker indicating the model the main dimensions stem and float of the gauge the mounting position the tank dimensions for which the gauge has been manufactured and the product intended to be gauged When you receive the MAGNETEL gauge remove it from its carton and make sure it is in good operating condition Usually 2 MAGNETEL are packed per box and float arm is apart of the gauge into the box To recognise which float arm has to be mounted on which gauge a number is stamped on the float tube and on the counterweight near float tube stud a Check of the dimensions see drawing opposite page Stem length by design and for horizontal cylindrical tank the pivot point2. have been certified by APRAGAZ notified body 0029 under n 02 BE 329 For Mobile application TPED certified refer to M6300 leaflet Gauge Serie M6300 Mobile MAGNETEL gt APPLICATION The M6300 series Magnetel gauges are specially designed for mobile applications such as truck and trailer It incorporates a special spring steel shock absorber which dampens vibrations and road shocks As all Rochester Gauges dial is easily replaceable with no leakage or loss of pressure MODEL NUMBER AND MATERIAL OF CONSTRUCTION The material of construction is specified by a number TRIM N which should be specified as a suffix to the model numer Model N Dial 5 to 95 Material 6339M9 As per 6300 series trim 9 shock 6342M9 absorber Stell and Stainless Steel 6339M11 Side End As per 6300 series trim 11 shock 6342M11 Angle up to 45 absorber Stell and Stainless Steel 6339M12 As per 6300 series trim 12 shock 6342M12 absorber Stell and Stainless Steel HIGHAND LOW FLOATARM STOP amp SHOCK ABSORBER http www rochester gauges be lt 5 lt amp Za Sr 2 A er s Os gt lt lt V 2 147 Tel 32 0 10 241010 Fax 32 0 10 228139 ORDERING INFORMATION Model number and mounting position Tank outside and inside diameter riser dimension Product to be gauged Working pressure and temperature For angle mounted gauge tank dra
3. number Approval valid until 10 04 2012 6241 6244 LPG NH3 40 C 60 C 25 bar 6251 6554 MAPP 6240 6243 LPG NH3 40 C a 60 C 25 bar 6250 6253 MAPP x 6260 LPG NH3 MAPP 40 C 60 C _ 25 bar 6281 6284 LPG NH3 MAPP 40 C 60 C 6280 6283 LPG NH3 MAPP 40 C 60 C 25 bar 6290 6293 LPG NH3 MAPP 40 C 60 C 25 bar M6200 Refrigerant gases 40 C 60 C 30 6 bar R40 Excepted 450 psi 6336 6339 LPG NH3 MAPP 20 C 60 C 6342 6360 trim 8 6336 6339 LPG NH3 MAPP 20 C 60 C 6342 6360 trim 9 11 12 CO2 40 C 5 C 1 10 04 2012 40 bar 15 bar 10 04 2012 10 04 2012 10 04 2012 10 04 2012 20 06 2012 10 04 2012 10 04 2012 10 04 2012 M6300 M6339 M6342 Ammoniac 40 C 5 C 40 bar LPG Ammoniac 30 bar Refrigerant gases SO T l trans 7 9 Dimethyl Ether 20 C 60 C 04 04 2013 Sulfur dioxide 20 C 60 C 12 bar 20 06 2012 Refrigerant gases 20 C 60 C 30 bar 04 11 2012 LPG DME MAPP 20 C 60 C 40 C 60 C 02 07 2013 02 07 2013 02 07 2013 28 11 2012 LPG Ammoniac Refrigerant gases SO Senior Inox 6
4. of the float should be at the mid height of the tank 50 plane Hence Stem length should be for top or angle mounting S 0 5 OD H OD tank outside diameter H riser dimension for end or side mounting S fixed dimension function of tank O D However for this type of mounting the stem length is less critical as the gauge is installed at the mid height of the tank Float length the float length is function of the internal diameter ID of the tank the type of dial used and the float used For the 6300 family and horizontal cylindrical tank the dial is generally graduated from 3 to 97 for End or Side mount and 5 to 95 for Top Angle or Mobile application With dial graduated 3 97 float length should be equal to F 0 465 ID 54 with SS float 6020 With dial graduated 5 95 float length should be equal to F 0 428 ID 54 with SS float 6020 OR F 0 5 ID 10mm if above formula has a result in F gt 0 5 ID 10 b Check the gauge mounting position on the tank To check the mounting position for which the gauge has been manufactured hold the stem in the mounting position move the float to the horizontal plane and check the needle on the dial which should indicate 50 2 Check also if the ordered gauge corresponds with the welded adapter When the 50 dial axis is the same than the stud bolts one the gauge is centerline mount A X on the head side identifies the straddle mount gauges c Check the gauge counterbal
5. supply the stud bolds M20 for ASA and M16 for DIN and the gasket We recommend Stainless Steel and Teflon sealing spiral wound gasket type thickness 3 2mm Center the gasket into the studs A193 B7 or equivalent Place and fix the gauge as described above using nuts A194 2H or equivalent Screw gradually following the sequence described in previous and at the requested torque Around 24 daN m for the AINSI head with M20 bolts Around 14 daN m for the DIN head with M16 bolts These torques should be used as a guide Adequate torque may vary according the gasket and stud bolts specifications Gauge head must remain parallel with adapter face A leak test of the connection should always be carried out before filling with gas C Stainless Steel head The stud bolts are 2 13UNC or M12 Four plastic gasket centralizers and one spiral wound or Teflon gasket are supplied with the bolts Locate the gasket centralizers and the gasket like shown firstly the two lower gasket centralizers secondly two the gasket and finish by the two upper gasket centralizers Place and fix the gauge as described above Screw gradually following the sequence described in A until the requested torque 3 5 to 4 8 da m Gauge head must remain parallel with adapter face 3 Inspect the installation A Purge vessel if necessary B Pressurize to at least 1 3 rated tank pressure if a pressure vessel C Check for leakage 1 All around betwe
6. 400 30 bar 24 12 2013 1 x Date 23 02 2010 Name Ch Leplat Position Notified body identification numbers 0029 Signature Belgium Notified body stamp Insp ectin g Authority Notified body reference 0110 P4801 PEDO1 General Manager
7. 6300 SERIE Liquid Level Gauges Masnetel Gauses INSTALLATION INSTRUCTIONS READ COMPLETELY BEFORE ATTEMPTING INSTALLATION These instructions are made to assist tradesmen and others generally familiar with liquid storage tank equipment Most consumers are not qualified to perform the installation described herein If you have any question concerning installation or operation of MAGNETEL gauges contact Rochester Gauges International or one of our authorised distributors for assistance Specifications are subject to change without notice Pressure ratings subjects to change due to temperature and other environmental considerations Edition 22 02 2010 ADAPTER a oS HOH I Center line mount Straddle mount Note Spring must be bended so that the float arm has an angle of 10 to 20 deg from vertical at the extreme low position Date Name Material Drawn 02 04 96 DS ROCHESTER GAUGES INT S A Transfer BELGIUM Modif GAUGE MAGNETEL Gauge 6336 dial 4 6336 General view Top mount OPERATION amp CONSTRUCTION MAGNETEL liquid level gauges are designed for centerline mounting or top mounting on bulk storage tanks centerline or angle mounting on bobtails or transports Materials of construction are carefully selected for compatibility with liqui
8. EEL PTFE FILLED SPIRAL WOUND FLOAT GAUGE WITH ASA 300 DIN 80 HEAD TO BE MOUNTED ON ISO PN50 DN80 FLANGE WITH SPIRAL WOUND GASKET TYPE THICKNESS 3 2 mm ATTACHMENT TO TANK Various adapters are commonly welded or screwed to tanks and MAGNETEL gauges are bolted to them All adapters used must conform to Rochester Machining Standard MS 508 The most popular Rochester adapter 0022 00029 has a 2 5 MNPT thread which screws into a 2 5 FNPT coupling welded into the tank The sealing gasket and eight mounting studs and nuts are usually shipped with the MAGNETEL gauge Other popular adapters are the Rochester 0022 00030 which some tank manufacturers prefer to weld to the tank head for close coupling or the 0022 00500 weld neck flange which extends a short distance from the tank For full details ask for the 22 series Technical Data Sheet The minimum diameter of the opening in the adapter through which the float and counterbalance must pass is 2 32 59mm Also it is imperative that any adapter used be installed with its axis truly aligned with the tank axis so the MAGNETEL gauge when installed will be exactly horizontal or vertical Otherwise accurate gauge reading will not be possible For other applications gauges could be manufactured with aluminium head for ASA 3001bs RF3 or DIN 80 PN25 flanges Mounting 8 mounting studs size function the type of head Mounting position Head type Stud size Bolt circle
9. NG THE GAUGE 1 Install stud bolts shortest side in gauge nozzle on tank 2 Install the gauge following the procedure below regarding the type of head of the gauge For End Side or Angle mount the END SID or ANG marking on the head edge indicates the upper side of the head the axis of float displacement and the position of the 50 on the dial For top mount gauges the TOP marking indicates the float axis displacement and the position of the 50 on the dial A Aluminium Standard Head The stud bolts are 2 13UNC or M12 These gauges are supplied with a Buna N gasket and a Stainless Steel gasket centralizer Be sure they have been shipped onto the gauge support a Insert the float and counterbalance into the tank For horizontal or angle mount it is easier to rotate the gauge for 90 to the left when entering and rotate slowly 90 to the right to return to the correct position Press the centralizer about half way into the mounting adapter after cutting the strap retaining the gasket centralizer Locate the gasket round the gasket centralizer Place and fix the gauge by means of the 8 nuts Screw the nut finger tight by following the sequence shown below Gradually tighten each nut in several sequenced stages using a cross pattern until 3 5 4 8 daN m of torque have been applied to each Gauge head must remain parallel with adapter face B Aluminium ASA or DIN head Rochester Gauges Intl does not
10. The B in front of the batch number indicates that the gauge has been manufactured by ROCHESTER GAUGES INTERNATIONAL S A Belgium WARRANTY STATEMENT ROCHESTER GAUGES INTERNATIONAL S A guarantees its products for a period of 12 months from date of invoice This warranty is limited to our product and consists of the repair or the replacement of the product if the factory inspection finds the cause of malfunction to be defective material or workmanship The material should be returned to our factory at purchaser s cost No claim for misapplication labour direct or consequential damage will be allowed Returned material procedure In order to efficiently process any material that are returned it is essential that following instructions are provided with the returned material Purchaser name Reason of return Description of material Claim description Batch number Description of application and misfunction TROUBLE SHOOTING SYMPTOM Gauge does not read at low extreme when installed in empty tank LOOK FOR a Float mechanism may be striking obstruction such as dip pipes or baffles b Float or counterbalance is striking tank wall because incorrect gauge is being used c Float mechanism hangs up not allowing float to drop under its own weight d Wrong float arm too short for counterbalance SYMPTOM Gauge continues to read at low extreme when tank is filled LOOK FOR a Float obstructed at bottom of tank Remove th
11. ance with your application The float is equipped with a counterweight so the float arm has been counterbalanced to gauge a product of a specific density To verify that the float arm has been counterbalanced to the product you intend to gauge set the float bulb on a scale and maintain the float arm horizontally The weight of the float should be Type of float Product to be gauged Weight 5gr 6020 SS L 105mm LPG 6 0 55 50 gr 6020 SS L 105mm NH3 8 0 65 59 gr 6020 SS L 105mm CO2 1 1 100 gr For liquid of a different specific gravity the weight should be proportional to the specific gravity d Check proper movement of the float Although the gauges are 100 checked before packing it is necessary to verify that the gauge has not been damaged in transit In order to verify that hold the gauge in its intended mounting position and move the float arm slowly upwards and downwards This movement should be smooth without any heavy point e Check Fixture accessories Verify the furniture of the studs bolts seal The Magnetel gauges with head ASA or DIN for 3 flange are supplied without seal studbolts and nuts The builders have the responsibility to check that those components are suitable with the project regarding the materials compatibility to the gas the service pressure and temperatures the mechanical capability of the fixtures with a safety coefficient upper than 2 5 If you find any problem
12. d equipment in the conditions described in the Directives only if the requirements stated in module D are fully complied with The approval validity is mentioned in annex 1 The undersigned acting within the scope of its notification for the purpose of the European Council Directives 97 23 EC and 99 36 EC certifies that the type of pressure accessories and or safety accessories conforms with the requirements of the Pressure Equipment Directive 97 23 EC and the Transportable Pressure Equipment Directive 99 36 EC on the base of the information and samples supplied Date 23 02 2010 Name Ch Leplat Position General Manager Notified body 0029 identification number APRAGAZ Belgium Notified body stamp Insp ectin 9 Authority Signature Notified body reference 0110 P4801 PEDO1 TPEDO1 Chauss e de Vilvorde 156 Vilvoordsesteenweg 156 B 1 120 Bruxelles Brussel Tel 32 0 2 264 03 60 Fax 32 0 2 268 89 58 http www apragaz com info apragaz com LAC EN 45011 Cert N 084 PROD LAC EN ISO IEC 17020 Cert N 084 INSP BI APRAGAZ NOTIFIED BODY EC TYPE EXAMINATION CERTIFICATE In accordance with module B of the Pressure Equipment Directive 97 23 EC and the Transportable Pressure Equipment Directive 99 36 EC Pressure Accessories and or Safety Accessories 02 BE 329 6 REV 1 Member of CEOC INTERNA Certificate N Appendix 1 Page 2 2 Reference Gases Temperature
13. d to be gauged so the unit you are about to install can be expected to give long and trouble free service MAGNETEL gauges are operated by liquid displacement of a float bulb attached to a counterbalanced float arm The main gear at the pivot point drives a pinion gear attached to a centershaft The 2 2 1 gear ratio converts the 140 float arc to 308 of centershaft rotation A drive magnet is attached to the end of the centershaft under the gauge head The drive magnet couples with a dial pointer magnet through the solid and non magnetic gauge head to move a pointer around a dial usually graduated in percent of tank volume limits of measurement being 3 to 97 or 5 to 95 Mounting position amp dial size MODEL NUMBER MOUNTING POSITION 6336 TRIM N TOP 100mm 4 6339 TRIM N Horizontal or Angle 100mm 4 6342 TRIM N Horizontal or Angle 200mm 8 6360 TRIM N TOP 200mm 8 Construction material The material of construction is specified by a number TRIM N which should be added to model number TRIM HEAD Support Counter Magnet Gears Gasket Application Center shaft balance Float Arm 00 Aluminium Stainless Zinc AINiCO Stainless Not LPG ASA DIN Steel Platted Steel Steel Supplied Ammonia 08 Aluminium Stainless Zinc AINiCO Stainless BUNAN LPG Steel Platted Steel Steel Ammonia 09 Stainless Stainless Stainless Steel AINiCO Stainless Teflon filled Petrochemicals St
14. e obstruction b Float not counterbalanced properly for liquid being gauged Order correct gauge c Float leaks and is filled with liquid Replace float d Gauge mechanism hung preventing float from rising Defective gauge SYMPTOM Gauge indicator stays at some mid point regardless of liquid level LOOK FOR a Float mechanism is hung and will not allow float to follow liquid level Defective gauge b Float has partially sunk due to leakage or improper counterbalance Replace the gauge c Dial pointer is stuck due to damage or corrosion Replace dial SYMPTOM Gauge does not indicate liquid level accurately LOOK FOR a Gauge does not fit tank Order correctly b Gauge mounting adapter not aligned with tank axis c Tank is not leveled d Liquid temperature volume corrections not accurate SYMPTOM Gauge face not straight on tank LOOK FOR a Mounting adapter not lined up properly look at page 2 b Centerline gauge used on straddle mount adapter c Straddle mount gauge used on centerline adapter REPLACING DIAL READ COMPLETELY BEFORE ATTEMPTING INSTALLATION These instruction are made to assist tradesmen and others generally familiar with liquid storage tank equipment Consumers are not qualified to perform the installation described below Improper installation or use of dial may cause serious injury or property damage If you have any question concerning choice installation or operation of the dial or ga
15. e the dial chamber and slowly rotate the gauge left or right until the pointer is at the 50 level In this position the counterbalance will be parallel to the support arm and can be easily withdrawn through the opening With similarly careful manipulation top mount gauges may be easily removed also Tip the gauge slightly so the pointer rests at its lowest possible position and slowly withdrawn the unit from the tank WARNING If you have any reason to suspect that the float has a leak and may be filled with liquid as would be the case if the dial indicates a lower liquid level than it is known to be place the removed gauge in a safe isolated and well ventilated area SsuDjreu dd Buiysew IeS d L BulyJieW 030 Bete aac 00689 00066 TALANOVIN WNIDTI4 WS LNISHONVS WALSAHOOU wwe YS SIIT 160 inss id xew dd 1 uueIp HUE 0000 s xe Ju uu Se dsip eoj o6nef ou Jo addn 646 DNV p S AIS ANA dOL junou Jo d WoL J quinu 40160 444 168 Bulinpejnuew yy yyuow Bulinjoejnuew WIN wn jog 194 Aq ainyoejnuew g X no 9 yunow Wu jelssyew uononi suo5 u 69 10004 06066 LILL BE dd 6700 J qdaaq WoL AaaVV WNE WLLL ease Bupe ease Buiyie FUU 6210 1 MARKING The lateral face of the head is marked with the necessary data requested to identify the gauge such as batch number C or IT marks tank data and model number see drawing
16. eel Steel Steel 304 SS spiral Chemicals wound 11 Stainless Stainless Zinc AINiCO Stainless Teflon filled Petrochemicals Steel Steel Platted Steel Steel 304 SS spiral Chemicals wound LPG Ammonia 12 Stainless Stainless Stainless Steel AINiCO Stainless Teflon filled Petrochemicals Steel Steel Enclosed in Steel 304 SS spiral Chemicals 316 SS cup wound 16 Stainless Stainless Stainless Steel AINiCO Stainless Teflon Petrochemicals Steel 316 Steel 316 316 Enclosed in Steel 316 Chemicals 316 SS cup Careful attention to the installation instruction and procedures shown in this booklet will ensure against leakage or unsatisfactory performance 8 JEIP fUNOW jE UO ZI JOY MIIA JEJOUIH DNVH WIS 144 IN SS9AV9 43157 00 SIPpens 30111910902 Magnetel gauge 6360 we Top mount dial 8 Magnetel gauge 6339 End mount dial 4 FLOAT GAUGE Standard 22 50 07 22 50 Centerline mount Straddle mount L1 L2 TYPE THICKNESS K eer SCREWS 1 2 UNC X 1 3 4 M 12 x 50 304 STAINLESS ST
17. en head and adaptor 2 Around each mounting bolt head 3 Over tightening of mounting bolts may cause cracks or warpage of head 4 If no leaks or other defects are detected filling of vessel may begin 5 After tank is 5 full check for pointer movement prior to filling to the desired level 4 Install the dial chamber using two 4 dial or three 8 dial screws that extend through the bezel into the brackets CAUTION before installing be sure all the brackets touch the dial chamber without rocking If they do not carefully bend the brackets arms forward until they are even then proceed Special Mount 2 Magnetel gauge suffix Y 1 Measure hole diameter It can not be less than 52mm 2inch schedule 80 Note that the Magnetel gauge mechanism will fit through 2 sch 80 pipe coupling but will not fit through 2 sch 80 pipe nipple or the 0022 00525 adapter The inside diameter of the 0022 00525 adapter is equivalent to that of a 2 sch 80 pipe nipple 2 Complete gauge assembly and checks see page 7 3 Prepare adapter threads for installation into coupling 4 Remove the 8 gauge mounting nuts and pull the adapter down onto the gauge support tube 5 Install about two thirds of the gauge mechanism through the tank coupling and then scrw the adapter into the coupling 6 Once the adapter is tight install gauge head onto adapter as related on page 10 7 Reinstall and tighten nuts as shown page 10 or 11 8 Install gauge dia
18. l as above REMOVAL OF GAUGE PRECAUTIONS Should it appear necessary for any reason to remove the gauge from the tank it is of course presumed that such operations will only be attempted under competent supervision with due precautions against hazard of escaping liquid or gas with pressure entirely down and no chance of wind carrying any fumes where they might accumulate or drift near open flames A hazard of fire or explosion could exist if proper methods are not used when vessels contain pressurized liquid or gas flammable liquids oxidizers NH3 or LP Gas CAUTION In certain isolated cases and with very low temperature it is sometimes possible to open a tank with slight loss of gas However it is well to remember that a 20 bar 300 psi pressure gauge may show zero reading but still have up to 0 2 or 0 3 bar 4 or 5 psi pressure in the tank and pressure is probably being generated all the time If the conditions permit such operation it is recommended in such cases that the tank opening be immediately closed either by placement of a new gauge or a closure plate In other cases complete purging of the tank by means of carbon dioxide or other inert gas may be necessary NEVER RE USE AN OLD GASKET ALWAYS PLACE A NEW ONE REMOVAL PROCEDURE with Dial Chamber in Place When attempting to remove centerline mount gauges care should be taken not to strain or force the parts especially in lining up the counterbalance Replac
19. netel add suffix X to model number MODEL NUMBER Model Number Mounting Position Dial Size 6336 Trim N TOP 100mm 4 6339 Trim N End Side or Angle 100mm 4 6342 Trim N End Side or Angle 200mm 8 6360 Trim N TOP 200mm 8 ORDERING INFORMATION 1 For horizontal cylindrical tank Model number Mounting position Top side For angle mounting tank drawing STEM requested For end mounting specify shape of tank dish end Tank outside and inside diameter Riser dimension distance between gauge gasket and tank wall Product to be gauged Working pressure and temperature Tank design pressure Mounting Bolts Position 2 For other type of tank Same information as in 1 Tank drawing Magnetel gauge 6339 End Side mount with dial 4 un 60 IN R 2 un o S R lt B 6 DE 2 A 200 Eg E Ti gt 4 lt V 2 Os cn cO N N i wi N ign cn vi y i a T l20mm FLANGE for Rochester Standard Head lt CERTIFICATION Those gauges serie 6300 Magnetel are in accordance with European Directive PED 97 23 CE for LPG ammonia for maximum pressure 25 bar and temperature 20 to 60 C co2 for maximum pressure 40 bar and temperature 40 to 5 C Others on request after risk analysis They
20. ntation shipped with product ROCHESTER GAUGES INTERNATIONAL S A Z I WAVRE NORD AV LAVOISIER 6 1300 WAVRE BELGIUM T l 32 0 10 24 10 10 Fax 32 0 10 22 81 39 http www rochester gauges be R C NIVELLES 65 461 TVA BE 440 371 387 Original attached to the invoice DECLARATION OF CONFORMITY I the undersigned certify that the level gauge accessory for pressurised tank of diameter up to 5000 mm of serie 6300 model USU U U manufactured under batch n Y U UL gt Note The Directive 89 392 CE machinery does not apply as this equipment has to be used as part of an assembly The Directive 94 9 CE ATEX do not apply due to the fact that the gauge is not an ignition or explosion source Risk analyse approved by APRAGAZ Report E00162E06 available on request In case of use of a sensor for remote reading the Directive 94 9 CE ATEX applies Date Michel DUFAYS MANAGING DIRECTOR lt B 6 DE 2 A Eg E gt lt lt UB Gauge Serie 6300 MAGNETEL APPLICATION The 6300 series Magnetel gauges are used to indicate level of liquefied gases such as LPG Ammonia petrochemical chemical liquids refrigerants fuels etc The Magnetel gauges are designed to be used on tanks with diameter up to 5000 mm and pressure upto 25 bar at temperature 20 C to 65 C 40 bar with Stainless Steelhead CONSTRUCTION MATERIAL The construction material i
21. s check with ROCHESTER if all appears OK proceed with other instructions ACCURACY PRECAUTION Many storage tanks contain dip pipe baffles or other obstructions which may interfere with free movement of the gauge float and thus hinder or prevent proper performance Verify that there is enough clearance for free movement before the tank is allowed to be filled Accurate measurement of liquefied petroleum gas LP Gas or anhydrous ammonia NH3 requires the conversion of a volume measured at an observed temperature to the volume which would exist at a standard temperature of 68 F 20 C Since liquefied petroleum gas is usually a mixture of propane and butane gases and maybe others the conversion factor is usually determined from a chart when the specific gravity of the LP Gas at 68 F 20 C is known TEMPERATURE FILL CHART The temperature filling chart for various specific gravity s mixtures of LP Gas is based on the permitted filling densities as given in NFPA Pamphlet 58 Standard for the Storage and Handling of Liquefied Petroleum Gases This chart is required by Underwriters Laboratories Inc for an LP Gas liquid level gauge to be listed under their re examination service The purpose of the chart is to indicate the maximum safe filling level for LP Gas when the specific gravity and liquid temperature are known This safe filling level allows space in the tank for liquid expansion should the liquid temperature rise INSTALLI
22. s specified by a number TRIM N which should be specified as a suffix to the model number Support Center shaft Float arm Counter balance Gears Gasket Application Aluminium Stainless Zinc Stainless Not LPG ASA DIN Steel Platted Steel Steel Supplied Ammonia Stainless Zinc Stainless LPG Aluminium Steel Platted Steel AINiCo Steel BUNAN as Stainless Stainless Stainless Stainless Teflon filled Petrochemicals Steel Steel Steel Steel 304 SS spiral Chemicals wound Teflon filled Refrigerants 304 SS spiral Chemicals wound LPG Amonia Stainless Stainless Zinc Stainless Steel Steel Platted Steel Steel R I AINIC Teflon filled Stainless Stainless Stainless Enclo h Tin Stainless sO 4 S al Petrochemicals Steel Steel Steel 316 SS cup Steel wound Chemicals V un n RD Q S R AINiCo Enclosed in 316 SS cup cn cO N N i w N ign cn vi y i a Stainless Stainless Stainless Stainless Teflon Petrochemicals Steel 316 Steel 316 Steel 316 Steel 316 Chemicals MOUNTING 8 Mounting studs Rochester standard Alu or S S 1 2 13UNC or M12 89mm ASA 300Lbs R F 3 Aluminium M20 168mm DIN DN 80 PN 25 M16 Magnetel supplied with ASA or DIN Head are supplied without gasket and Mounting Studs Nuts Centerline Mount Straddle Mount 12 09 When ordering a straddle mounted mag
23. uge contact Rochester Gauges Intl or one of our authorised distributors for assistance Check on the side of gauge head for model number and ask for technical data sheet for your model CAUTION determine and install the appropriate magnetic dial based on gauge and system requirements Improper dial selection or application may result in inaccurate gauge readings Release of tank contents as well as damage to equipment and safety hazard may result if tank is overfilled Combustible exhaustion may occur if tank contents are less than indicated The dial type supplied may not be suitable for all applications and for those applications other dial may be available The information contained herein is intended for guideline use only and the suitability of any dial or Transmitter for a particular application must be determined by the user prior the installation WARNING Do not remove gauge mounting screws or bolts Tank contains high pressure and flammable gas A hazard of fire or explosion may exist if gauge mounting nuts bolts or heads are loosened or removed GUIDELINE Record reading on old dial Removed the 2 or 3 screws retaining the old dial to the brackets and remove old dial Install replacement dial and torque the dial screws Compare new dial reading to recorded reading or estimated tank contents If new dial reading is not correct 5 the dial chamber may be a wrong type TRANSMITTER INSTALLATION Refer to specific docume
24. wing is required Note 1 When ordering a straddle mounted Mobile Magnetel add suffix X to model number 2 Standard stem length for side or end mounting is 610mm For Magnetel with stem length longer than 610mm the stem has to be supported into the tank CERTIFICATION Those gauges serie M6300 Magnetel are in accordance with European Directive TPED 97 23 CE for LPG ammonia for maximum pressure 25 bar and temperature 20 to 60 C CO2 for maximum pressure 40 bar and temperature 40 to 5 C Others on request after risk analysis They have been certified by APRAGAZ notified body 0029 under n 02 BE 329 04 08 Subject to change without notice Chauss e de Vilvorde 156 Vilvoordsesteenweg 156 B 1 120 Bruxelles Brussel Tel 32 0 2 264 03 60 Fax 32 0 2 268 8958 http www apragaz com info apragaz com E D LAC EN 45011 Cert N 084 PROD LAC EN ISO IEC 17020 Cert N 084 INSP RP193 rev 0 BI APRAGAZ FPS NOTIFIED BODY EC TYPE EXAMINATION CERTIFICATE Certificate N In accordance with module B of the Pressure Equipment 02 BE 329 6 REV 1 Directive 97 23 EC and the Transportable Pressure Equipment P 412 Directive 99 36 EC age ROCHESTER Gauges INT S A Avenue Lavoisier 6 Address BE 1300 WAVRE BELGIUM Concerned equipment Pressure Accessories and or Safety Accessories Reference number See appendix 1 The manufacturer is allowed to affix the CE or TI mark to approve
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