Document 3nJ2gv09OXjz1OBjzBRgVRa0

FILE NAME Bechtel BECH DATE 1972 Nov DOC BECH040 DOCUMENT DESCRIPTION Bechtel Internal Publication - Mechanical Engineering Bulletin - Thermal Insulation SEs hry Sr oar i, Bechtel Corporation Power & Industrial Division | San Francisco November 1972 MECHANICAL ENGINEERING BULLETIN Thermal Insulation No. 4 Revision II OSHA Standards - Asbestos Section 1910. 93 a a new OSHA Standard covers exposure to asbestos fibers | A copy of this new standard excerpted from the OSHA Reporter is attached for information Asbestos Calcium Silicate Major manufacturers are offering asbestos calcium silicate insulation as a consequence of OSHA requirement on asbestos dust exposure Such insulation is now available from Pabco and Owens Corning Fiberglas Johns Mansville will be able to furnish this type of insulation by the second quarter of 1973. Philip Carey's Careytemp 1500 an expanded ; perlite also contains no asbestos Corrosion and Chloride Requirements Mineral insulation cement and adhesives to be installed on stainless steel surfaces shall conform to all requirements of Military Specification ! 1-24244 Amendment 3. These shall include tests for chloride stress : corrosion and chemical analysis to confirm allowable chloride silicate and sodium content Unbonded Glass Fiber Insulation This type of insulation is not acceptable In those cases where the surface temperature or nuclear radiation would destroy the effectiveness of ! available bonding materials during operation the specifications should require that the necessary insulation properties be maintained even with the binder rendered ineffective * 234 0000 54 4 a s Batchelo 00004174 eh fat a rn aw seme Be te Sta, Sasa sober ASE bs 8 eg t ef ap beng aap #3. gt td ae ty , Be af the tae <5 = ase by A 4, EES Mechanical EngineeriEngiering ng Bulletin i Number 4 vision [[ we November 1972 Spray Type urethane Insulation | This material is specified by its manufacturer to be retardant and extinguishing and is rated as burning under ASTM Specification 1692-59T However field experience has indicated that spray or place type urethane insulation may be a potential fire hazard under certain conditions | i This type of insulation is applied by mixing two components to form | organic polymers If these two componenets are not mixed properly unpolymerized volatile constituents may remain which could be ignited a by the heat generated by the material while it is curing or by other : hot items Other tests indicate that the cured material may not be fully resistant to combustion by high heat intensities Consequently if this material is used the manufacturer's instructions for mixing must be closely followed and a fire watch should be provided a during the application and curing period Since this material is also a available as preformed rigid blocks the block type insulation should be : used instead of the spray or poured type whenever possible CBsjkT sjk Attachment $ H.Blasingame Blasingame Batchelo 00004175 hon Sere Pe EELS o, 4oP egan peeeene: eT PE Sa fe mrs Naveed i af ' Sophisticated process industries Pears particularly in the chemical > rary _ relining fields require procleaindustle industles temperature control Other industles sucahs power generation and insulallon | paper producers need insulallon| 7) to conserve and reduce costs : - These companics the design 4 * engineering and constructiwohno i 1 serve them toSupe whr o who . ph Sen ; oo . Pi e rf gg Sg PY ela) Be es of TE Saree : na ra fee tag, Pei RES ee "Geet Le ed Dee bet Super CallempNAAvail 7gil able pipe covering blacks ctu at Hage * thleF Ta ae lng So * at wy stB p S Ey Me eeeteERB Nae ; ee PEAS atk nett Se ra cat R : } PSA EE Ree vi ene gee ae s ya's 4 aaa Bie Set dit fe STN BEAT SAE SSeh ny Ss recision recision recision molded ay A NEW bes RteNae, wes Se: e. one ant SiS aeae sa Rey Fy b ak Tea! arlene:Soy Se arrROE *e. Me ! Sy Se s, So g AST afm ha + 7 4 2 + 3 , 1 tan IS 4 Lae . Read : iA4th, pi oo / : f ; Bote L } aeieoey.: x. SER x Massy ny ? Ar b nee Sp oT YG hk fe He 4 t 5 f i i oe 1 ee, a : hf mete Gt Rxnt ie mo aE + oat yO Se Brey CAE a Les oy wy eeeASB Sen xs eeBabe pies ion EA Oe Teese ae tad ae ON Batchelo 00004176 bea Eeee ong oO es aeY Contains asbestos Super Caltemp Type NA no Canlelemp yo6u3 fi Super CalCempallempyou don't have to worry about the tough federal regulations regardingregarding asbestosdust control Why Because Super Caltemp Type NA ABSOLUTELY ig ABSOLUTELY ASBESTOS FREE And that's not all Only SuperCaltemp Type NA offers these combined advantages Stainless steel corrosion prolection Super Caltemp Type NA is an inhibited product and does not contribute to stress corrosion cracking of austenitic stainless steel As far as we know no installation of austenitic stainless steel has ever failed when Super Caltemp Type NA was used in the insulation system For details and results of laboratory tests see Page 6. 1200 use temperature If you're looking for heat control or conservation of heat energy Pabco Super Caltemp Type NA gives you the K factor you want Recom- mended for temperatures from 100 to 1200 Inclusive Patented Precision Molded process assures uniform fit Other process calcium silicates are cast in round sections the legs are then trimmed in an attempt to achieve a true circumference pipe covering Pabco's patented process yields full round pipes which are then split in half Two half sections will match perfectly even If each section was made years apart You're assured a uniform fit every time with minimum time lost in trimming and wiring Added protection against damage Uniformly dispersed liber rein- forcement gives added protection against handling damage service vibration thermal shock and cracking The Occupational Safety and Health Administration OSHA requires the monitoring of asbestos dust levels and maintenance of rigid controls on allowable concentrations Where engineering methods of control are not feasible protective respirators must be supplied and employees must be trained to use them Periodic medical exams for employees exposed to asbestos dust in excess of specified limits are also required Records of personal and environmental monitoring must be kept for at least 20 years For details see Part 1910.93 and Part 1910.93a of Title 29 of the Code of Federal Regulations t } Batchelo 00004177 type Pipe & Block temp limit 1500F W THERMO 12- asbestopis pe and block insulation DESCRIPTION DESCRIPTIONA molded high temperature pipe and block insulation M Thermo is com- posed of hydrous calcium silicate It is an insulating material which because of its light weight low thermal conductivity great structural strength and insolubility in water is ideal for high temperature piping and equipment M AVAILABLE FORMS Thermo is fur- nished in both sectional pipe insulation and block form The pipe insulation comes in a complete selcc tion of sizes up to 24 x 4 half sections Pipe sizes 25 through 33 are available in quad segments Scored blocks 12 x 36 in thicknesses from 1 10 3are available for application on curved surfaces representing a diameter range from 34 through 180 Scored blocks are furnished with three equally spaced scores Beveled blocks are also available in widths of " 12 and 18 by 36 lengths in a full range of thicknesses ADVANTAGES | Exceptional Strength | composition Similar in chemistry and to a very fine concrete Thermo will withstand unusual operating abuse without appreciable damage [ Extreme Lightness - | Thermo is as light many insulating materials possessing a fraction of its strength and durability | Not Damaged by Water Can be soaked in water without damage After drying conductivity will be as good as new | Easy Application | Thermo is purposely made in large blocks and halfsections to facilitate handling and reduce number of joints USES Especially recommended for use in the power generation and process industries on indoor and outdoor piping and equipment operating at temperatures to 1500F Thermo is light enough for easy handling and fast application Re- [ Low Conductivity | Thermo offers one of the lowest & factors of all in- sulations in general use throughout the power generation and process Industries peated weltings have no permanent effect on it which makes it ideal for installations subjected to | Low Chloride Content 3014 weather or for insulating underground steam lines Because it will not burn or carry flame it may also be advantageously specified for use in the presence of inflammable gases and liquids Thermo has a low chloride content and can be used on Austenitic stainless steel without problems since it meets 1-24244 Amendment 3 for chloride content . . 1-73 M Trademark Batchelo 00004178 BPS a er a8 Ay ber ra . -- ----,-- keg ve pe ee BRR e ue yr z woe, o z dege Beg ea . are SG + 5 Pa aa Sy gicp ant ae ct Lae Fae Cdeh GR! oaa Ferns Oy are > fe gb Re EE ee Ye bd 3 amp re, RST 8 Pes ^'os ~ Seed eae tay ee eee : : ; : i : ^' aie. : ee . , Pipe and block insulation up to 1500 se a Philip Carey =: Careytemp 1500i 1500 Asbestos "| | UES ats gees Insulation Insulation oa a tede Insulation ^' a PBR mae . erat. o clolex cloleaxe clolex clolex clolex ey, eho ih uo OR . clolex Oe Se aE aay $F gee phat seo ot aos ; . F Re i i t 3 5 : 50% geen by StS * eae sea? apkserts Bes fee oat: aa nt fares fu eae 3 roeua The Pee he = Calotex a ECsalotex Corporation Corporation Corporation osooCorporation 2x REC ACD) sa ga ag ad tat ws haben MECHANICAL SYTEMS INSULATION INSULATION Batchelo 00004179 wR PES, 4 oe a OE ee oye a ADE Loge alls ones af, F fe O geR ntihea B , UD OTSSaSy . s oo eon art oy won bey we ER es S aie ween Pere TIES ard Re Commercial D.11 4% October 1972 Kaylo Asbestos Free Pipe Insulation For hot water heating high temperature hot water steam condensate piping systems and all heated lines to 1200 F. uses Kaylo 10 Asbestos Free is particularly suitable for use on high temperature piping systems where high per formance and extended temperature range are required Kaylo 10 Asbestos Frea is widely used on hot piping where a great degree of physical abuse resistance is re quired such as boiler and equipments rooms benefits rugged 10 Asbestos Free Pipe Insulation is a strong and rigid material that resists mechanical damage during shipping installation and service It is well suited for riser piping in exposed locations versatile extended temperature range offers broader use for all hot piping to 1200F description Kaylo 10 Asbestos Free Pipe Insulation is a rigid while hydrous calcium silicate Insulation molded in sections for all types of indoor and outdoor piping that requires an abuse resistant durable efficient Insulation for temperatures up to 1200F The insulation does not contain any asbestos fibers no asbestos 10 Asbestos Free can be safely used and applied in conformance with proposed OSHA regu- lations will not cause stress corrosion cracking 10 Asbestos free will not cause stress corrosion cracking of stainless steel because Kaylo 10 Asbestos Free contains an inhibitor and has a very low soluble chloride content unaffected by moisture can be completely saturated in water without appreciable loss of strength and regains its strength and thermal value after drying out af E NEAT i AS nan Std) =i Kaylo Pipe Insulation cuts cleanly with straight square edges The final result is well insulated piping with a neat finished appearance Miterad littings are finished with Insulating cement and covered with canvas Trademark of Corning Fiberglas Corp. YR RL aS RB ae NGA LA I A ANT ia yas Kaylo Klad Pipe Insulation combines weather and Insulation in one application Attractive mainte- applied nance factory jackets of stainless steel and aluminum are complete with longitudinal looking seams and end joint butt strips Batchelo 00004180