Document MG28G5mVMD944E0DV96QyaqL9

ESSINEERING PURCHASE. SPECIFICATION ESO-INEERIKS AND RESEARCH PI7ISI0K "CRANnE." SHEET PACSESSr November 20, 1943 Engineorlag Purokas; Specification No. IT; Sheet 1 of 5 i - scope These specifications cover compressed asccstoa cospooition eteet packing kncna as "Granite", tMch is suitable for us* C3 a gasket material on a wide variety of liquids end gases encountered in pressure-piping systems. NCE5: Tho'aaaa "Granite" is registered in tha United States Patent Cffice0 * 2 - DETAIL EEQUIHE^ESTS To) Packing shall be suitable for uso on steam, water, oil, air, acids, ammonia, alkali, gasoline, geese and for temperatures up to 750 degress F0 (b) Sheets shall have a natural asbestos color, parallel smooth surfaces, uni form hardness and density. They shall be pliable, resilient and suitable for gaeksts to prevent the leakage of fluids on pressure Joints,, .(c) The finished sheet shall not bo graphitsd or otherwise coated, (d) .Sheets shall ho cross-laminated, i.e,, the plies arc at right angles to each other. The plies shall be 1/64" thlok, - (e) The finished sheets shall be free from solvents used in the process of manufacture. ' ." (f) Every square foot of packing shall be plainly marked on one surface only in accordance with Crene Co. drawing. All marking shall be in Crane Orange. Color sample to be obtained from Crene Co. (g) Packing shall not deteriorate with age while in stook, and shall not cause objectionable corrosion of finished metal surfaces due to contact. (h) Material shall be suitable for cutting into gaskats by ordinary seans. S - MATERIAL (a) Sacking shall consist basically of en asfceetcs-rucber mixture together with other essential ingredients properly assembled and processed to pro duce a sheet which meet3 the -requirements specified herein. (b) Packing which manufacturer proposes to furnish to these specifications must have the approval of the Underwriters' Laboratory (National Beard - " DIMENSIONS ` ' Dimensions of sheets shall be aa spscificd on purchase order, p-vfl thickness shall be within the following tolsrances: -continued. CRTX 1240 m m n m I CR ANE G 0. EffQIKEERLKS PURCHASE SPECIFICATION EKOIKESHIHG AND RESEARCH DITISIOH . November 20, 1942 Engineering purchase Specification Ho. HC- Sheet 2 of S "CRAISTE." SHEET PACKING 4 - PPSEKSI0H3 (Continued) Thickness Tolerances l/&4 .0015 l/52 . .005" 1/16" 1.006" (.062" to .067" thiokaess desired) 3/52" .009" l/8" .012" 3/16" .012" ) 1/4" .012" 5 - PHYSICAL PROPERTIES (AT ROOM TEEfFEP-ATURE) Rhcn tes.tad in accordance with Section 6, packing shall have the following; Tensile strength - Pc-nada per square inch t - - - --------------- - 4,500 Minimum pCcapresaion strength.- 0Thi3 test ia only required on the sheets 1/16" thick. 6 TESTS (a) Tensile Strength # | . f Three specimens, of size and shape shown below Fig. 1, shall be -out lengt: wise of the sheet (longitudinal) end three specimens at right eagles ther (treasverse). Speclrons shell be pulled* in tension at e rate not exceed lag. 0.4" per minute end the rsaulta obtained from tbs six specimens will ' -.1 used to determine the' tensile strength. The breeding lead is computed in pounds per square inch, using the amille cross-sectional erea at ths breaking eeotioa of specimen. If in any case the result cf a single longitudinal or a single tranevens* specimen is below specification requirement, it will be discarded and a r* test made. Efcen the results of ths els specimens are inconsistent, k re test of a coaplats set will be made0 ' - *2iQ&j Ths spscimon should bs eligaod carsfully so as to produce axial pull and avoid tearing. CRTX 1241 ? R 0 P ' S S D C RAKE G0 EROXBERIMa PURCHASE SPECIFICATIGH EKGIHEERIKQ ASP RESEARCH DIVISION Hotembar 20, 1842 Engineering Purohana Speoifioation Ko. wo-^ "CRAyrEE" SHSEJ PACKUiO Shoot 3 of 0 6 - TR9TS (Continued) (b) Compression Strength Throe specimens, each 3TM square, shall bo tested by forcing the raised faco . oi? compression ring (one squaro in. area) of a special stool block Against * specimen as shown In Fig. 3 and not 1Jig the load required to crush the sped . wsn, . The specimen shall bo oompressed at a rate not exceeding .09" per minute a The compression strength shall be determined by the force required to collapse the pecking In contact with tho raised face, IT in any case the result of a single spoeijasn is below specification re quirements, It will bo discarded and a retest made. When the results of the three specimens are inconsistent, a retest of tho complete set will be made, '' 1 V RAM (Ci) SPECmEN TEST SUOCiR To BE. HARDENED AND QROOND AT ' (A) RAiSE-D r-ACEL DE.TA.L- 'POSITION (UNIT fDR COMPRESS\ON TEST) IMPORTART! . During t.he compression test it is Tory important that ' ''.the* applied load bo perpendicular to the surface of the raised face on test block and.that oil horizontal surfaces of-each member in tho assembly Pig. 2 bo flat, - parallel and smooth. < 4 .... 4 CRTX 1242 PROPOSED CR AHB G 0. EKGIKEERIKa PURCHASE. SPECIFICATION EKOZNSPRINO jam RESEARCH DIVISION "CRANrE^affiSTPACKlK} Novccbor SO, 1942 Engineering Purchase Specification No, w Sfcoet 4 of g 6 - TESTS (Continued) (o) Nelght Logo ut Taraporaturc Three specimens, 3/d" wido s 5" long, shall is subjected to dry boat at a temperature of-900 degrees F, for a period of 24 houro, Tbs weight loss stall not exceed 15#. ' ' 7 - EORKHAKSHIP' pt\okji;g glmTl bo froo from impcrfeoticns end cay injurious foreign particles. 8 - WBIQ3T . _ Tbs qpighte of the finished packing shall confers to tha fallowing: Thickness ~l76d 1/32" 1/16" 3/32" 1 1/8" 3/l6 1/4" ' : Pounds per Square Tcrd Uinim.ua Maximum 1,00 1,3 2,2 . 2*7 M. 6.6 ` 5*4 8,1- 8,8 ' 10*6 13*2.- . 16*2 ^ 17*o6- . 21,6 * 9 - PATENTS The Tender must agree to defend any end all infringement aulto in which 6rcno Co* and/or its customer is (sro) cade a defendant (or defendants) by reason of the ' sale and use of this material# Further, the vendor agrees that it shell pay all opeta end expenses incident to say such litigations end, further, that it shall hold Crane Co* ahl/ar its customers safe end. heroines, absolutely and at all [' events , against all claims or demands of eTory kind to uhloh Crane Co, end/or its` customers nay be subjected under the patent lavs in connection Wtfc. the sale and ' use. of this materiel* 10 - INSPECTION (BY CRAMS CO.) ' ' ) Eaoh shipment of materiel received shall be inepaoted by the Inspection end Metallurgical Departments for ocxpiiance with those specifications, end approved ` before raleesins'tp the shop for use* 11 - REJECTION Crcne Co, reserves the right to reject any portion or all material purchased to thsso specifications .which fails to conform to the requirements specified heroin or which is found to have injurious dsrocta during fabrication,. 12 ** F-^t03 FOR SHIPMENT AH material shall be suitably protested egainot domasa during shipment and c-rdi** - aory handling, ... All material shall *ba properly,separated by size and ordor-number. ' -oM'-t-isuad- CRTX 1243  I 1 H 1 i 1 i PROPOSED CRANE C 0, EHGIHSSRIKO PURCHASE SPECIFICATION BSGISSERING AND RESEARCH DIVISION "CRANITE" SHEETPACEINa November 20, 1942 Engineering Purchase Specification Ho. po~ Sheet 5 of 8 12 - PACKING POR SKTPUKV& (Continued) Sheets shall be peoted in suitable ooatainers eo they can bo handled convenieatly at destination, end tho .i.'3igbt of each p&clcage shall cot'eroeed that specified on purchaao order. . . Each container shall be carted to designate: Size cad thicfcnecs of cheat. - Engine orleg Purchase Spsoifiaation number. Name of nanufacturer. ' Pnrchese order number. . Net might. 13 - ORDERING . Orders should designate: . Size and thlcknsss. Quantity. ` Engineering Purchase Specification No. BO-_____- Maiinmn might of package, - Purchase order number. APPROVED BY; 0 ' Dire ot lag Engineer Valve and Fitting Engineering Department Mstallnrglecl Department Standards Dopartcsnt Manufacturing fiaeearoh Division WRITTEN BT: J. G. Gokal CRTX 1244