Document 4d25arKgb42wYaLDX4vpoEYp

Bill in in NO IC'lf.3W; JUANSKmMKU f:r X. Inspection & MahiicrianccGuiOc TOWOLDMONOQ25258 Msfe of (Ctmfemte SECTION A TRANSFORMER ASKARELS......................................... 1 I. Introduction.........................................................1 II. History of Trade Name Types............................. 1 Table I - The Composition of Transformer Askarels ................................. . . .2 III. - Interchangeability ...............................................2 IV. Table II --OfficialTransformer Askarel Shipping Specifications....................................... 3 V. Ordering Instructions..........................................2 VI. Stability................................................................ 2 VII. Precautions When Handling Drums, Tank Cars and When Opening Transformers........................2 A. Keep Dry During Handling ...........................2 Table HI - Handling and Pumping Temperatures..................................4 B. Use Ordinary Personal Precautions ............. 4 C. Precautions on Opening an Askarel Transformer....................................... 5 VIII. Avoid Environmental Pollution.......................... 5 1. Labeling Askarel Transformers.............v. .6 2. Disposal of Liquid and Solid Wastes ...........6 3. Conditioning of New or Recycled Askarel .6 4. Teardown of Transformers for Repair or Scrap .......................................7 6. Transformer Disposal . . '................. .7 IX. Expected Service Life............................... ,....7 X. General Characteristics of Transformer Askarel Fluid.........................................................7 XI. Sampling Transformer Askarel Fluid ................. 8 XII. Evaluation of Askarel Received in New Equipment.............................. 8 XIII. Dielectric Breakdown Voltage -- Moisture Relationship..........................................9 Table IV - Relation of Dielectric Breakdown Voltage to Amount of Dissolved Water in Askarel and Mineral Oil.......................................9 Table V - Approximate Solubility of Water in Transformer Askarel and Mineral Oil .... 10 XIV. Turbidity................................... 10 XV. Check Points for Maintaining Askarel Insulation .............................................10 A. General Considerations................................ 10 B. Modern Sealing Procedures ........................ It C. The Older Sealing Arrangements.................12 XVI. Periodic Fluid Inspection and What Checkpoints Mean .................... 12 A. Visual Inspection.......................................... 13 B. Dielectric Breakdown Voltage ................... 13 XVII. Inspection Checklist.......................................... 13 XVIII. Contamination in Transformers..........................14 Table VI -- Effect of Common Insulation Materials on Power Factor and Dielectric Strength.............................................14 Table VII - Effect of Common Insulation Materials on Volume Resistivity of Askarel............................................................14 XIX. ASTM Method for Investigating the Compatibility of Transformer Insulation and Construction Materials in Askarels............IB XX. Refining Askarel for Re-Use............................. 15 A. Filtering Through Dry Blotter Paper to Remove Moisture and Extraneous Particles..................................... 15 XXI. XXII. Table VIII -- Water Removal by Filtering Askarel Through a Paper Press .......................16 B. Disposal of Solid Wastes............................ 16 C. Solid Insulation Requiring Drying.............16 D. Earth Treatment for Maximum Improvement of Power Factor and Volume Resistivity .....................................16 Table IX -- Effect of Power Factor and Volume Resistivity.................... . 17 Cleaning Arced Transformers...........................17 Sampling Askarel . .............................................17 SECTION B ASKAREL FILLED SWITCHES AND TERMINAL CHAMBERS .....................................19 I. Introduction...................................................... 19 II. Sources of Contamination................................19 III. Sealing Switches and Terminal Chambers. . .20 IV. Askarel Used Under Mild Arcing Conditions . 20 V. Maintenance for Askarel Filled Switches ... .20 VI. Askarel Under Excessive Temperature or Fault Conditions ..........................................21 SECTION C TOXICITY AND SAFE HANDLING............................. 21 I. Inhalation........................................................... 21 II. Skin Contact...................................................... 21 SECTION D ANALYTICAL SERVICES ON TRANSFORMER ASKAREL AVAILABLE FROM MONSANTO ............................... 22 Types of Analyses Available: ..........................................22 1) Routine Maintenance Check.......... ...................... 22 2) Complete Analysis................................................... 22 3) Analysis After Earth Refinement .......................... 22 SECTION E APPENDICES................................................................... 23 Appendix A - Askarel Stability and Composition of Arc Formed Gas..................................23 Appendix B -- Solubility of Gas in Transformer Askarels ................................................... 23 Appendix C - Effect of Temperature on Dielectric Breakdown Voltage of Askarel ...................23 * Appendix D -- Comparison of the Approximate Viscosity in Sayboit Universal Seconds of Transformer Askarels and Mineral Oil.......................... 24 Appendix E -- The Density of Inerteen 54201 KA 7336-9 and Transformer Pyranol A13B3B-3.........................................................24 Appendix F -- Thermal Conductivity Values of Transformer Pyranol A13B3B-3............................... 24 Appendix G -- Heat Capacity..................................... ..24 Appendix H -- Coefficient of Expansion........................24 Appendix I -- Fire Resistance..................................... .24 Appendix J -- Seals, Properties and Procurement ...................'................................ .. . 25 Appendix K -- Caution Label................................. . .25 NOTICE: "Nothing contained herein is to be construed as a recommendation to use any product in conflict with any patent. MONSANTO MAKES NO WARRANTIES AS TO THE FITNESS FOR A PARTICULAR PURPOSE OR MERCHANTABILITY OF ANY PRODUCT REFERRED TO, no guarantee of satisfactory results from reliance up on contained information or recommendations, and dis claims all liability for any resulting loss or damage." 0?066?9 ) TOWOLDMONOQ25259 APPENDIX J Scab,hopfriie* ahdPiocuremcnt < y.?.!', 'y.;' /, ; Dow Coining Corporation, Midland, Michigan with Dishicis at Atlanta, Boston,Chicago, Cleveland, Dallas, Los Angeles, New YofK City, Washington, D.C,>nd 'Toronto has available Bulletin 09 019, August IOC? entitled "Silastic Design Data". This lists the flasket fabricator* throughout the country from whom tire "Silastic 50" gasketing can be purchased in sheet, extrusions or molded shapes.. . . ;, Generally'Silastic, SO sheet floods ere stocked by local die cutters, trence, could he generally purchased locally. Usually small Quantities of .gasheis arejdie cut.; If larger quantities are needed, tools ere made of the same type used to cut other elastomers. ' Where the gasket Is extruded,for fitting into a machined gibove or between flasket stops, OowCorning advises use of a scarvcd joint. This joint H then cemented using Dow Coming's Silastic 140 (clear) or their RTV 731 (white) materials, which ah cure. .. ' : > ' ' Dow Coming points out that the local "lubber" fabricators purchase the Silastic SO in billet form. 1 his Is worked on a roll mill In preparation Ipr sheeting or extrusion. Then to obtain the desired physical properties the fabricator must oven cure tbe SMastic 50 for 24 hours at 480?. . ^ ' SPECIFICATIONS* . .. i AS! M DC/6 AS1MD41? AS1MD412 1 AS1MD39C . Color . ' Specific Gravity at 77? Hardness, Shore A. Scale . TenslleStiengUi,psl,nln Slongation, percent, min Compression Set after 2? hrs et 300?, percent, max White 1.20* 0.0? 4b to SO 800 2&0 .30 > 'All physical proircrtics measured on 0.07b inch thldk samples molded 6 minutes at 24(77, and oven cured 24 hours at 48(7F, ' .1 APPCNMXK Caution Label,:V. . . '' . The following or equivalent caution statements should be fixed on all containers of transformer askarcls and the transformers themselves; :! ' ' V ' ', This product contains Polychlorinated Biphenyls fPCBsJ. Cere should be taken to prevent entry into the environment through spills, leakage, use, vaporization, or disposal of liquid pi containers. Avoid prolonged breathing of vapors or mists. Avoid contact with eyes or prolonged contact with skin. If skin contact occurs, remove by washing with soap and water, following eye contact, fludj^'it!rkvaier.-4p case of spillage onto clothing, the clothing should be removed as soon as p.e;tica^sklnwashed>tk|j^ot!.!r.;Isundri*?!' ' '.e , : < <n 'rif . Adtti*5 ejo.'-r, *5 C lor,. ( UlAhiK * ftf I * ~ ' MONSANTO INl>USTKIAl CHtMICAlSCOMPANY. Sf-LCIAI TV PRODUClb GROUP 8N.llNt>prRGHBtVO. Sl.tOUIS. MISSOURI 651CC The Intel melton herein regarding obtaining optimum resultshorn askarel fluids In your transformer has been accumulated by Monsanto for ovci 40 ycai shorn the expeiience of makers and users of askarel transformers and It Is believed will be helpful. Nothing hoieln shell I* eonsbuod as applying to other than askarel. Insulation. Data and maintenance suggestions herein do not apply to tl>e othei components of the transformer. All operating and maintenance suOfteslions recommended by the manrJfgc- turei of the transformer should also be carefully followed. , r >;. 1 , . j. , . . Because these maintenance directions apply only to the askarel Insulation, Monsanto disclaims any liability for dantag. to froperly Or Injury to persons arlsing'hom transformer operation. .' .vr. : . , 0205630 ) TOWOLDMONOQ25260 V tCOSK* 4, -$.* KV'iC* <* N'u * AfROfiouio sots , , V. Ph. , Wty>* t r.i W /?><> 4' ^f#f 4n4VfA.6fO/ivM tf'-V J/vfrif *|>f IV I*-*. U ,, ?* r<x! liliSi. _ . .. 4Vv <).'{ ft tfl . Tc' 0W*>4?if - /* f 0t/$rcw, 11X41 //W> .- ;!' $301 Pvii Oek Tt>rv ' ' 9&1 Wutfxiii'C-'Ri.4? \ ?' t o *.. .. '.; ' ;?;; 105 ANGtlfS, CAl trvRHIfi H0flW$w.: ,, Ni*-porl pe.vfi. OWp'ftk <W-' r- /rM.'rt'PW ..r MU Mff*. WWW WV . HlflAtX )W of ttlf AnXilCr! \. ;' r*' ' 4>. <0Wi MISSOURI B31BC . ib<n*& bnj. : w ^k< too- y : ; * .-. -. S4V fA/WOSOC' BAYAt,(A VIOUWttt' Sp^ife CV*, CV//V/J* BSOGi Iff- {40$}tow* - MlWINGlvN.Ptl.AVlARC 19tt0 -1' &'ft*tar,9w0ff , 3</f $"K <Vc IW * i*' mi1 in icm IN1MNMI0NM OMlCfS- . AROPNliNf. ' .;; .- - . (Womehto Argentine S A.1.C, ,>: . 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