Document XvO1zG0Z33aDNKq40EKaDDBw
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CRAMS CO
ENGINEERING PURCHASE SPECIFICATION
ENGINEERING Division
August 26, 1957 Engineering Purchase Specification Mo. VX)-li29
Sheet 1 of U
"CHANITE" SHEET PACKING
3. - score
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These specifications cover compressed asbestos composition sheet packing kronen
x as "Cranite" vhich is suitable for use as a gasket material on a vide variety
of liquidsjand, gas<_cncountered inheressure-^piping system. :
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. NOTE; The name "Cranite'' is registered in the United States
/ ... Patent Office. -
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2 - DETAIL' R33WIRSSEST3.
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(a) Packing shall bo suitable for use on steam, vater^ oil, ^ir, acids, ^ajnmonilT^^lkaii, gasoline, qases"and'Tfof_temperaturesjxp_"to ~{$0 degrees F.
' (b) Sheets shall have a yellow tinted color, practically parallel smooth
surfaces ,_uniiorr^_harcincss and densitv. _.Ti?F.y.Jl^-3li...b9_Rliable,
resilient and suitable_for' gaskets io prevent the leakage of fluids
on pressure joints.
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(d) The finished sheet shall not be p.raphitcd or otherwise coated.
(c) Sheets l/j2" _or inorc_in thickness shall oe cross-laminated, i.c., the plies are at right anglcs_to each othe'-. ..........
(f) The finished shoots shall be freo fron solvcnts used in the process of
. " manufacture'
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(g) Every square foot of packing shall be plainly marked on one surface only . in accordance vith Crane Co. draining. All marking shall be in Crane Orange. Color sample for base and drawings for marking to be obtained from Crane Co.-
(h) Packing shall not deteriorate vith age vhile_ in stock for a. period of S>_X?ars_nd _shall,j)oJ;_causerobj_ccixqriab?lc..c:prrpsicrijpf_ finished r.staj.
. surfaces vith which it_is in contact.
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- MATERIAL
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.(a) Packing shall consist basically of 75 to 5% Crysotile asbestos, the
- balance consisting of a natural rubber binder and inert fillers properly
mixed, assembled and processed to produce a sheet which meets the
requirements specified herein.
(b) T-}.v ' * '''
Packin'', which men**Cantunrc'ems t' fr-rr.;.rb to those sv.cci fic?.t:/,,:'i3
must "have ihr .-.r.pvov-5. oC -the Pn-:e. r: i': rs1 j-gbor-'tory (b:_'.0...r;t-E:n:
of ii; o
.:ri;ers), 0. !.e
il? I
for use- ::: gaskets 0:1
hace.rdovr. 'i ioulds..
00 .Vi 08
CRTX 1237
CRAWS CO;
. ' ENGINEERING PURCHASE SPECIFICATION . ENGINEERING DIVISION
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\ . August 26, I9U7 Engineering Purchase Specification N<x '<0--1*29
Sheet 2 of ^
"CR/WITE" SHEET PACKING,
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U - DIMENSION `
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Dimensions of sheets shall be as specified on purchaso order, and thickne*-*; `
shall be- within the following tolerances;
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THICKHSSS
' 1M" 1/32" 1/16*' 3/32" 1/8" 3/16" lA"
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* TOLERANCES r.ocrj"
.003" +.006"' .009"
.012". . .012"
.01211
5 - PHYSICAL PROPERTIES-
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Tensile Strength
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hhen tested in accordance with procedures outlined in ASTH Spec. D733
the packing shall Save a' tensile strength of lj,500 pounds per square"
inch minimum in any direction. ~ '
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- Compression Strength ,,
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When cured for one hour at 212 F tho packing shall have a compression
strength of lt6,C00 pounds per""square" "inch iraiViiavusu
Weight Loss on Exposure to High Temperature
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Thjiee_specijnens from each shiumar.t stall be held at a temperature of
900_F _for.a_pericd._qf.2h.Jh.qurs, ..then cBqled"tb"^'rponi~iremperaure'in'H'
dessicator. Theweightlosssha^jrioj^ .exceed l^jS.
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6 - CERTIFICATION
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Vendor shall furnish 2 copies of a certificate of quality with each
shipment stating that material complies v/ith the minimum requirements of
this specification.
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7 - yXRKFiAHSHIP
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Packing1 shall be free from imperfeetions and any j.njurious_foreign particj.es .
6 WEIGHT.
The weights of the finished packing shall confoi'm to the follovring;
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POUNDS PER SQUARE YARD___
THICKNESS
KINIMUM
HAXlri'J:-
l/6li"
1.00
1.3
1/32"
2.2 " '
2.7
1/16" 3/32" 1/8"
h.h 6.6 . 8.0
5-h 6.1
3O..0
0C3409
3/16"
13^2
16.2
__ l/h"
3 7.6
2<
CRTX 1238
V
CRAKE CO.' ENGINEERING PURCHASE SPECIFICATION
j5TOXNblHIKG DIVISION
"CiiAHITK" SHEET PACKING
August 26, 19^7 Engineering Purchs.se Specification Wo. \vO- Jj2$>
Sheet 3 of U
(X iX
9 ~ PATENT'S
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Seller agrees to indemnify and hold harmless and protect buyer, its
' affiliated and subsidaxy companies, successors, assigns, customers and
users of its products, from and against all loss, damages, liabilities,
, * claims, demands (including attorney's feos) and suits at lav or equity
for actual or alledgcd infringements of any patents, trademarks or
_ ' corresponding rights to the materials or articles called for hereby.
10 - INSPECTION (BY CRAWS CO.) ' iiach shipment of material received shall be inspected by the Inspection and Metallurgical Departments for compliance with these spccificf.iqgs, and approved before releasing to the shop for use. .
11 - REJECTION
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. Crane Co. reserves the rights to reject any portion or ail netc-rim purchase
. to these specifications which fails to conform to the rceu5r-::-.tr.ts specific
herein or which is found to have injurious defects curing fa: rication.
12 - 'PACKING FOR SHIPMENT .
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All material shall be suitably protected against damage during shipment
and ordinary handling.
All material shall be properly separated by sine and order number.
Sheets shall be packed in r.uitable containers so they c;n be be ..Hi ' conveniently at destination, and the weight of each package shall not V exceed that specified on purchase order. _
' Each container shall be marked to designate:
Size and thickness of sheet Engineering Purchase Specification nur Narco of manufacturer ' Purchase Order number Net weight.
nontinued-
CRTX 1239