Document gbMgD4j7geyXqebKBqMMRmn3L

T H IS D O C U M fe N T IS T H P R O P E R T V O F E . I . HJ P O N T O K N E M O U R S A N D C O M P A N Y . T H E T E C H N IC A L IN FO R M A TIO N HEREON M AY N O T BE USED N O R REPRODUCED W IT H O U T T H E P E R M IS S IO N O F OU P O N T . T* PACKING COOES S*5KEi:> AHU PACKINGS--T^sa r~ engineering standard * -"''r T.VS MAY 1947 U 1c MARCH 1971 Page 1 of 2 I. SCON This standard provide* a code identification of mechanical packing in Table l for convenient reference purpoaes on drawing* .ind in corre*pondence. An index to obsolete code numbers is listed in Table 2. Acceptable materials and vendors for Du Pont Packing Codes are listed in Specification SU1C. Refer to Standard U2C for packing selection. Ceneral packing reference standards, including those for O-ringt, are given in section 2. U10B U11B U13B U10 U2D U1E PH 4 Z GENERAL REFERENCES 0-Ring Application 0-Ring Gland Design 0-Ring Elastomers Stuffing Box for Stationary Sealing Stuffing Box Proportions for Rotating Shafts Packing Lubrication for Rotating and Recip rocating Equipment Packing Installation Du Pant Cod* R-3 R--6 R-I3X R-14 R--IS R-14 R--32 R--33 R-3S TABLE 1 - ROD PACKING COOES Description Whits asbestos **rspio<tsd braid, mineral oil and graphite Whits asbestos braid-over-braid, minsrsl sil and graphite 90 percent whits asbestos breid-over-brgfd, 20 psresnt high flash-point lubricant, brass wire inssrtsd, grophittd 98 percent whits asbestos tncansl inserted ovsr piastre eors of asbtstos and graphitt re surface graphitt only Whitt asbtstos square-plcired braid, solventrssistant lubricant and graphitt Whits asbtstos lattics braid, 20 psresnt high Hash-point lubricant and graphitt Aluminum foil twisftd and wrappad upon itsslf, castor oil, and graphitt Aluminum foil twisted ovsr asbtstos cort, castor oil, and graphitt 100 psresnt laminated graphitt Uee Central strvlct rad packing, high-speed rotary shafts, watar, oil, ammonia, wtak acids, caustics Valvt sttms, rttiproeating rods, gsntrai chtmieal ssrviet, sxcspt corrosive acids High-temperature valve stems and rods, steam, oils, air, gas, tar, watar Hightemperature valve tfeme, expansion joints an steam, air, water, gas, and mineral oils Reciprocating rods and rotary shafts, ails, solvents such as benzene, aniline, ethyl chloride, kerosene High-speed rotary shafts, high-temperature and pressures especially designed for aufoetave agitator shafts Rotary shafts and reciprocating reds hardness Rc 50 min, end rings, Dowtherm, steam, air, oil, miscellaneous service Accommodates greater shaft gyration than R-32, same uses as R-32 High-speed rotating shafts, hightemperature valve stems and shafts, general chemical service except strong oxidising conditions Maximum Temperature c F 175 350 350 650 400 750 550 1000 175 350 400 750 550 :1000 | ii J! 400 ,750 3SQ(1' 1 bbOl'l 1000'21 | 1830'*> 1 Notts* (1) This fnoxlmum temperature limit applies to oxibtxin, eenditians. (i) This maximum temperature limit applies to nonoxidizin, conditions. Design Engineers -- Do not usa U1C as a reference an drawings. Qn drawings specifying Du Pont coda numbers, rafercnae should he mad# re SUJC which can be tent te Ou Pant contractors ro show accaprabU materials end vendors for each coda number. Nstsi Table 1 cant'd an page 2. Venders and merchandise designerians are given to describe materials and may nor include ail acceptable products. Substitutions by suppliers ers to be mode sniy an epprevei of the iecei authority initiating me use of thie standard. SUSCOMMITTCC NO. IB DUB 0372278 PLAINTIFF'S EXHIBIT DUP-1121 __ INWQ IJCC DU 000417 U *C Po* 1 Du Pont Cod* R-SO R-S3 R-54 R-S45 R-SJ R-54 R-S7 R-58 R-59 R-40 R-41 PACKING CODES fltAY Thu R.v March 1971 TABLE 1 - ROO RACKINO CODES (CONT'D) Description WHit asbestos-braid aver asbestos or plastic Teflon TF-f!uorocorbon resin core, "Teflon" imprepnated throughout Whit# asbestos, lattice braid, "Teflon" impregnated throughout and chemeal-reit*tant (ubrieant Whita "Teflon" TF ytrn, lottica braid, "Taffon" (moraonotad throughout Whita "Teflon" TFE yarn, lattice braid, "Teflon" impregnated throughout and chemical-resistant lubricant 100 parcanr "Teflon" U*rmgs 100 percent "Teflon" cup and cone rings 25 percent glass-filled "Teflon" Usings 25 parcant gtess-filled "Teflon" cup and cona rinos Unsintered, extruded, "plastic" "Teflon" TFE, square cross faction Whita asbastas jocket, "Taflon" TF5 impregnated with core of osbesfos or plastic "Teflon" TFE. Sicas V2"ond V4*round Whita "Taflon" TFE yarn jackal with cora of "Taflon" TFE plastic Impregnated with "Taflon" TFE. Sites l/2"and V4*round Us. Severe chemical service except strong acids, medium surface speed Maximum Temperature C OF 300 sso Severe chemical service except strong acids, high surface speed 566 Sever* chemical service, medium surface speed Similar to R-54 but mar* pliable, easier to run in 3o6 Too Severe chemical service, valve stems, -333 and reciprocating rods Severe chemical service, vaive stems 300 Severe chemical service, valve steme, and reciprocating reds - greater resistance to thermal disrortfon Severe chemical service, vaive stems -- ' 366' 1366 greater rcsisranee te thermal distortion Maximum sealing with minimum aland pres* sure. Use with end rings of R-5o, or R-S4 306 dependino upon service Column tray packing, see G2H. Severe chemicel service, except strong acids 300 sio ~n3-- 550 550 550 333 SSO 536 " '536 ` ` Column tray packing, see G2H. Severe ehemieal service, strong acids, including nitric and mixed acids 360 550 TABU a - INOIX TO 08SOUT8 COOt NUMUtf ftedre*M Do tort CW. OeseriptieA Oat* Okie!ate d-l R-2 R-3W R-AS *- n-r s-ar r-9 R--10 R--12 R-I3 R--17 R --20 -2l R-SI R-52 R-S4F Flax square-planed braid, toft (allow Rax Muare-ploiied braid, hard wax Coda R-- 3 with iaod wira insert Blue African asbestos qgara*p(oitad braid Blue African asbestos broid-over-braid 90 parcant white Qsbeates cloth, lyo-- S Irielloned Whfta asbarto* Awlafad tight coffon duck, Buna- S frkttonad tight cotton duck Suno-S frlcJTontd, piled dtogonotiy Coda R--48 w>th ncnnitrotable lubricant Coda 8--6 w<lh no lubricant Coda 8-16 with mora lybrkont P!**tfcoibeato*wtti Iaod partklas Plattk asbestos with lacd pertkies, neoprene bondad Sfua Afrkon asbestos bra/d ovar Ulya African otbasios or plastic "Tafloe" cora. "VaRon" impregnated throughout Stya Afrkon asbasloa. iquare-plaited braid, "Taflon * imprognaiad throughout WhHa "Taflon'* TFl yarn, square-plaited brad, `*TrfW tanprog* noted throughout and shemkehresistant ludrxoet Oac 1964 DkI964 Oac 1964 Oct 1962 Oct 1962 Oac 1964 Oac 1964 Oac 1964 Oac 1964 Oct 1962 Oac 1964 Oct 1962 Oac 1964 Oac 1964 Nov 1966 Nov 1966 Nov 1968 76 a Wdi and tape Padting W-IA w-U W-2A W--28 W-3A W--38 W-4A First groda. `/I'lnch, white osoato*wkfc First grada. Vr<nch and over, whita asbestos rope Second groda. `/inch, whita asbasloa wick Second groda, */eh dnd O-sr, whita atbestos rope V*'ncn, biua aibaatoa w<k '/'inch and ovar, biua asbattas ropa `/inch, 98 parcant whita asbestos wkfc SUM Oac 1964 Ok1944 Oac1964 Oac 1964 Oac1964 Ok 1944 Dtc 1964 DUP 0372279 DU 000418