Document Ex7bR74rp4Gm2gdKm9gDv5Mr0
CONPANY RANT
GASKET
G0KPRESSE9 FIBER SHEET FIBER BINDER
ASBESTOS NITRILE VCN,H20,STEAM
SBR --
EPON
VCM/PVC SLURRY VOI UNLOADING 121 F/130 PSI STEAH/CONOEKATE 365 F/1SR PSI
AAAHID NITRILE
SBR TEST FOR STEAN
COPIPC
EPON
SPIRAL HOUND GASKET
ASBESTOS FILLED NICA F1LLO
UNSUCCESSFUL IN STEAN
VCN/PVC SLURRY 12R F/13B PSI SIEAN/CONDENSATE 365 F/1SR PSI
NICA/6RAPHITE FILLED
OUR1TE/6RAIWTE FILLED
VCSA GASKET SURVEY
PAGE 1 F6 10 II
UTILITIES AND
PROCESS
CAUSTIC SB* 60PSI/100 F
H20 75PSI/I10 F
FUEL OIL 100PSI/200 F
All SERVICES
IL 215PSI/I0B F
EXCEPT HIGH PRESS.
AIR 100PSI/100 F
STEAN
PVC SLURRY 68PSI/12R F
STEAN 1BBPSI/33S F
VCN 12BPSI/12B F
GBERAL SERVICE VCN 6B CWkg/ci
Clj.NaOH.EDC.VCN, PVC SLURRY fit C
HCljPVC SLURRY
\6kg/c
65-450 F/50-225 PSI
VCN 194 F/200PSI STEAN/CONDENSATE
390 F/300PSI PVC SLURRY 153 F/ 150 PSI
VCN PIPELHES
UTILITIES I PROCESS (SERVICE LIFE 5 OF ASBESTOS) (OENICAL ATTACK)
AIR, H20, OILa 6AS0LDC
TESTING IN SERVICES AS HITH NITRILE/ASBESTOS (HARDENS IN CL t URINATED HYDROCARBONS)
UTILITIES t PROCESS (SERVICE LIFE 50? OF ASBESTOS)(BETTER CHEHICAL RESISTANCE)
STEAN 125 PSI/353 F
VCN CONDENSERS (NEED EVEN BOLT TORQUE)
STEAN 400-600 PSI
VCN,HC1,EDC
VCN 90 C\15kg/ca
970 F/200PSI
RETURN BENDS OF
BOILER ECONONIZERS
250-450 F/450PSI
SAC AS ASBESTOS SPIRAL HOUND
1
CTL016820
COMPANY RANT
GASKET
ffE_BMa.M
ASBESTOS FILLED VCH (ENAMELED TAWS)
NON-ASBESTOS
mm
WIRE KSH HEDFORCED TFE
IETPL CLAD GASKET ASBESTOS FILLED
CAUSTIC SOL'N 26* F/7* PSI STEAN/CONDENSATE 3G5 F/ISI PSI UATER/VCX IS* F/a* PSI
TFE JOINT SEALANT (GOAIEI)
6AAPHITE (6RAF0IL)
VCN (KITH TFE USER)
GLASS FILLED TFE (GYLON) *
VESA GASKET
ODD
5 GT
EE B9
Phut F6 ie it
H-S1L (38*) G*RSI/16* F
VCN (SPLITTING OF ENVELOPE AT BEND)
VCN (SPLITTING OF ENVaOPE AT BEND)
ETHYLBE, PROPYIBE: GLASS LINED TAW
COMPRESSORS
FLANGES 1 PIPING
BELDU 16 BAR
STRONG ACIDS, BREAKABLE FLANGES 65-116 F/76 PSI
VCN (EXCELLENT SERVICE LIFE)(POOR FOR GLASS LINED EQUIPMENT)
HEAT EXCHANGERSice, AIR, VCN, STERN
STEAM/CONDENSATE 1-26 BAR/166-266 C
LARGE OR DIVIDED FLANGES 56-136 F /166 PSI
GENERAL USE AND STEAM (GOOD SERVICE)
VCN (EXCELLENT POLY. ETHYLENE, AREA GASKET)(GOOD PROPYlfiC COMPRESSIBILITY FOR COMPRESSORS GLASS LINED EQUIP.)
VALVE PACKING (LONGER LIFE THAN PTFE/ASBESTQS PACKING)
BALL VALVE SEATS
CTL016821
COMPANY RANT
GASKET
12
COMPRESSED FIBER StfET FIBER BINDER
ASBESTOS NITRILE
S|g
ETON
ARAMID NITRILE
VCSO GASKET SURVEY
PAGE 3
N
13 14 15 16 17 18 19 29 21 22
PVC SLURRY, H20,AIR STEAM,NITROGEN
VCM,EDC,HC1,STEAM
N 22BAR.AIR 8 GAR ACID,ALKALI 388C/ ALL SERVICES
VCM VAPOR 7 BAR.H28 251 PSI (SBA WITH EXCEPT STEAM
9 BAR, GLYCOL 28 BAR, HIRE AEIIFOACEMENT
STEAM 18 BAR
FOR DIFFICULT SERVICE
-51 C-588 C/48 BAR,
DL1KELY TO BUN OUT)
VCM 1GB F/160PSI,
PVC SLURRY 248 F/168PSI,
STEAM/C0NDENSATE/H2B
358 F/I25 PSI, RESIN 88 F/48 PSI
EDC,VCM,C1 ,CflUSTl 1C, IIN TRANSITION AIR, BRIBE,L.P. STE FROM SBR TO
H28.N ,AIR, 15
VCM 58 C/18B PSI
212 F, STEAM -308PSI
NITRILE BINDER) EDC,VCM,ETHYLE1C
REFRIGERENT
SBR ICOPRBC EPDM
VCM, H20, AIR,STEAM PVC SLURRY (ASBESTOS SUBSTITUTE)
BREATHING AIR 98PSI AMBIENT TEMP.
SPIRAL MOUND 6ASKET ASBESTOS FILLED
MICA FILLED
NICR/6RAPHUE FILLED
OLORITE/6RBPHITE FILLED
CRACKER/OUENCH SYS. UITH HIB) PRESSURE STEAM
VCM LIO. 28 BAR, H28 38 BAR, PVC SLURRY 18 BAR, STEAM IB BAR
VCK,EDC,HC1,
CRACKER EXIT STEAM 285 PSI/ VCM,STEAM,AIR,
588 C/258 PSI 418 F
NITROGEN
ETH.YENE 1288 PSI
HEED GOOD FLANGES)
VCM IN SERVICE
HEAT EXCHANGER
SUBJECT TO ERROSION SERVICE:!! ,EX,
STEAM 288 PSI
VCM,STEAM,H.P.
STEAM
H28 78 F/ 4788 PSI
STEAM 788 PSI/S88 F EDC 288 F/1IB8 P! S.S. STRlPiHOT OIL STEAM/CONDENSATE 158 PSI/G48 F S.S. G58 F/235PSI STRIP, DRY Cl NOEL STRIP
ETHYlflC 1288 PSI (BETTER SEAL KITH POOR FLANGES)
CTL016822
HOT OIL 588 F/ 188 PSI (GRAPHITE FILLED)
VCSA GASKET SURVEY
COMPANY
H
PLANT
12
13
14 IS
16 17
18 IS 28 21
GASKET
TFE ENVELOPE
ASBESTOS EILLED
H28,VCH,VINYL ACETATE SUSPENSION AEENT,CHAIN MODIFIER 68 F/1S8 PSI
NON-ASBESTOS ' FILLED
ICAT EXCHANGER COVERS, 11 BAR/218 C
GLASS L1IED REACTORS 2I3PSI/218 F
PRACTICALLY IOC PVC SLURRY
USED (PROBLEMS WITH 218 F/168 PSI,
FLANGE TOROUE t DILUTE HjSO
COLD ROM
AMBIENT TEMP.
AND PRESS.
HCI 1S8PSI/388 F
MIRE ICSH RE IlfORES) TEE
ICTAL CLAD GASKET ASBESTOS FILLED
TEE JOINT SEALANT PVC RESIN CONVEYING,
(SORTED
DRYER 218 F/lSt PSI
6RAWITE (6RAE0IL)
STEAM/CONDENSATE 36* F/158 PSI
OXYGEN
GLASS FILLED TFE (6YL0NI
REACTOR NOWAYS 178 F/22'Hg VAC188 PSI
(CAT EXCHANGER NICKEL CLADi
BOMET JOINTS OXYGEN SERVICE
FULL VAC.-22 BAR/ 158 PSI/1S8 C
121 C
(MEM APPLICATION)
TEMPORARY SERVICES 0M.Y
STEAM VALVES
DOUBLE JACKET ASBESTOS FILLED
CAUSTIC -28 - 588 F/ 178 PS1 IDOUBLE JACKETED STEEL)
VALVE PACKING, H20 GASKET
STEAM
VCH LOU PRESS. SERVICE (SUBSTITUTE FOR ASBESTOS FILLED TFE ENVELOPE)
PIMP PACKING DO
HOT OIL TRACING
VALVE SEAT MATERIALS - VCH 1 VALVES
PAGE 4 N
22
CTL016823
CEHAANY RANT
GASKET
N 23
COMPRESSED FIBER 3gT FIBER BINDER ASBESTOS H1TR1LE
(U SERVICES
P 25
0 0R
26 27 28
ALL GASKETS FOR ALL SERVICES IN PVC PUNT - COMPRESSED ASBESTOS SHEET. NO BINDER SPECIFIED.
RS 29 38
T 31
GENERAL PURPOSE ASBESTOS FIBER (UNOOM BINDER)
SDR EPOH ARAMID NITRILE SBR
** PROCESS LUES
ALL SERVICES EXCEPT SOME STEAN
AUTOCLAVE BESASS FILTER KAOS
VCH 165 PSI/160 F REACTOR RUPTURE DISC RANGES
GOERAL PURPOSE!
STEAM/CONDENSATE 398 F/288 PSI VCH 88 F/358 PSI PVC SLURRY 288 F/158 PSI
STEAM 158 PSI
VCM,H28,PVC SLURRY 165 PSI/160 F STEAN 288 PS1/390 F CAUSTIC 38 PSI/150 F ODERAL PURPOSE GASKET
SPIRAL HOUND GASKET ASBESTOS FILLED EDC,VCH, FULL RANGE -48-288 C/8-1208 PSI
MICA FIIIFD
H1CA/6RAPHITE FILLED
CH.0RITE/6RAPHITE FILLED
PRODUCT CONVEYING LUES
DROP LINE tEADEI
STEAN (REPLACEMENT FOR SBR-ASBESTOS SHEET) STEAN (REPLACETCNT FOR SBR-ASBESTOS SHEET)
HATER 150 F/308 PSI
ILHj 120 BAR/150 C STEAM 408 F/ 210 PSI
STEAN 208 PSI/398 F
VCH AMBIENT TEMP. 68-288 PSI ASBESTOS SPIRAL SUBSTITUTE
^016824
COMPANY
N
0
RANT
23
24
25
GASKET
TTE ENVELOPE
ASBESTOS Final tl 0-50 PSI
ADJACENT TO TTE LUG) EQUIPKNT
VCM
NON-ASBESTOS HUD
HC1 0-50 PSI
WIRE HE5H REIIFORCED TTE
ICTPL CLAD GASKET ASBESTOS FlliO
CDMP. VALVES
a 26
TTE JOINT SEALANT (60RTEI)
6BAPHITE (6RAF0IL)
GLASS TILLED TTE
I6VUM)
VCK FINAL CONDENSER STEAM VALVE
tAO
PACKING
VCSA GASKET SURVEY Q 27 2B
29
T 38 31
SPECIFIED REACTOR ACID.K20 RANGES (RLL FUTURE 4B C/16 BAR ENVaOPE GASKETS HILL BE NON-ASBESTOS TILLED)
TREON HEAT EXCHANGERS
ACID.H20 ISO C/10 BAR
ETHYLDC 120 BAR/150 C
DRYER AIR SEALS
PUfP PACKING
VCM - AMBIENT TEMP /150 PSI6
OVERHEAD CONDENSER RANGES, VCM 160 T /165 PSI, GOOD TOR RANGES IN POOR COMIITION
STEAM 400 T/ 210 PSI
PAGE 6
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QUESTION 2: Is gasket testing done prior to substituting for an asbestos gasket? If yes, describe the testing method.
NO 17 PLANT
YES
11
COMMENT
C3 Yes; if gasket is not an approved gasket./ By process exposure
D6 Yes; installation in areas of high chemical incompatability. Flanges checked periodically with a gas meter for leaks. Later gasket is inspected for physical integrity and polymer growth during normal maintenance.
E8 After 1970, we began to test substitutes for asbestos packing in stuffing boxes and after 1980, also for gasket services between flanges. All tests are made online in our plants.
E9 The tests are done at the Research Center in our company and we have also tested the gaskets in service at the PVC plant.
Gil No; contacts with suppliers, their specifications and recommendations. Then experience during periods from 3 months to one year for one gasket.
H12 Field test
113 We are testing grooved joints with graphite layer in the cracker-quench system.
115 We are not actively seeking replacements for asbestos joints so testing is not regularly done.
L20 M21
We do not aggressively seek asbestos gasket replacements. Prior to substituting for an asbestos gasket on a large scale, selective implementation and extensive monitoring are performed.
We have not substituted asbestos gaskets.
024 In our company, all gaskets are standardized and have been tested.
P25 No deviations from plant specifications are permitted.
Q26 Field trial
R28 Yes; a test gasket is installed in a side branch of a process line where it can be isolated in case of a leak. The flange is monitored daily with a HNY meter. Thirty days is the normal testing period. The used gasket is then examined for wear.
R29 Yes; the gasket is installed where it can be blocked in if it leaks. The location of the gasket is noted on a plant change log. The gasket is examined for wear or chemical attack before complete substitution is made.
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QUESTION 3: Do you have an established Quality Review Program in which non-asbestos gasket performance is reviewed at designated service intervals?
NO 22 PLANT
YES 4
COMMENT
A1 As a trial program; the review is time dependant of the reliability.
C3 Yes; periodic check by unit and corrosion personnel.
E8 We compare the test gaskets with reference to the tightening of bolted joint, tightness/leakage, chemical resistance, influence on the surfaces of the flanges, crevice corrosion, easy to handle or change, etc. All our review is visual and can be done in intervals.
115 The bulk of our gaskets are asbestos so we have no quality review program.
R29 Comparisons of different kinds of non-asbestos gaskets are made after testing. Leakage, ease of handling, chemical or heat attack is reviewed.
QUESTION 4: Is the use of asbestos type gaskets restricted in any way by Corporate guidelines?
NO 19 PLANT
YES 12 COMMENT
D6 Yes; recommend finding alternatives.
D7 Loose or loosely woven asbestos gaskets are not used per plant policy, i.e., boiler manhole gaskets - fire blankets, etc.
E8 From 1975, we have had the intention to find substitutes for asbestos fiber. For the hard service in our petrochemical
plant the quality of the substitutes was bad at first. The quality has been better in the last few years.
HI2
Asbestos type gaskets cannot be used in the manufacture of food grade materials.
K18 Yes; no asbestos gaskets allowed sinceMay, 1986.
L20 Asbestos gaskets are prohibited in breathing air applications (solid TFE or neoprene gaskets are used).
R28 We are to find asbestos substitutes within one year of June, 1986.
R29 Yes, we are asked to find substitutes by June, 1987.
QUESTION 5: Is the use of asbestos type gaskets restricted in any way by Government regulations?
NO YES DON'T KNOW *Excluding Asbestos Disposal Regulations
24* 2
2
PLANT
COMMENT
D7 OSHA regulations
E8
Yes; the restricted regulations started in June, 1975, and have been harder during new additions 1981, 1983, 1984, 1986. After the 1st of January, 1987, the use of asbestos and asbestos filled gaskets is forbidden for new installations or exchanged in service. We have to use asbestos free substitutes, but can, in very exceptional cases, apply for exemption in one year.
E9 Yes; we are not allowed to use any type of materials containing asbestos.
H12 Don't know
115 No; the only guidelines/regulations are those covering the cutting, shaping, and handling of asbestos sheet, e.g., shear only; do not grind; bag any waste. In all our air sampling, asbestos fibers around cutting areas have been non-detectable.
116 No; if handled following manufacturers instructions.
K18 Disposal of asbestos gaskets is subject to Government regulations.
L20 There is no Government regulation restricting the use of asbestos gaskets; however, the Occupational Health and Safety Act - designated substance regulations - August 1982 requires the employer provide engineering controls, work practices, hygiene practices, and facilities such that maximum airborne asbestos levels are:
3 - 0.5 Fibers/CM3 Air - Amosite - 0.2 Eibers/CM3 Air - Crocidolite - 1.0 Fibers/CM Air - Other Asbestos
M21 Don't know
R28 No; only exposure to the dust created when removing an old gasket.
R29 No regulations specifically for gaskets. OSHA regulations to asbestos dust apply. EPA regulations apply for asbestos gasket disposal.
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Page 10
QUESTION 6: Are there any required special guidelines for the cutting or handling of asbestos gaskets in your facility? If yes, describe what is required.
NO 21 PLANT
YES 7
COMMENT
D4 No grinding of gasket material. Cutting is done with razor knife. 95% of gaskets purchased are sized properly.
D5 The only asbestos gaskets in use are the compressed asbestos gaskets in the SBR binder.
D7 No; the only asbestos gaskets that we cut from JM-61 compressed asbestos sheet.
E8 Yes; we must work below the limiting value of hygiene (1 fiber/ml in air). For temporary work, cutting and handling arrangement must be done with mechanical ventilation (point drought) and 99.9% of the asbestos fibers must go through the filter in the return air. We must also flush the gasket surface with water on the flanges when remains of asbestos gaskets are taken off.
E9 Yes; all old and used asbestos filled gaskets are collected in plastic bags and deposited in a special place, confirmed by Government regulations.
114 Sheets to be cut with sharp tools (not sawn or ground). Off cuts to be placed in bags marked "asbestos" and collected on request by licensed asbestos removers.
115 Use shears, do not grind, do not tear, do not file. All waste especially with torn or exposed edges is to be bagged, sealed, and marked asbestos waste.
K18 No asbestos gaskets eliminates need for special guidelines.
L20 We avoid cutting asbestos gaskets where possible. After extensive testing and monitoring, it was determined that routine handling of asbestos gaskets presented no hazard providing the integrity of the gasket is maintained. In the majority of our services/applications, asbestos gaskets may be removed intact. In extreme cases, where the gasket has decomposed and represents a source for loose asbestos fibers, standard asbestos handling procedures (respirator, monogoggles, gloves, wetting the asbestos, etc., are used).
P25 Gaskets are cut by commercial vendors.
Q27 No; standard sizes (ANSI 150 lb.) are bought ready for use. Only specials are cut from sheet.
CTL016829
i
\
Page 11
i R28 We do not allow asbestos gaskets to be cut in the facility.
R29 No asbestos gaskets are cut, any asbestos gaskets and all used asbestos gaskets are kept in plastic bags.
T31 No; most of our gaskets are bought precut.
QUESTION 7: For what services and types of gaskets have you tried and been unable to find a non-asbestos substitute gasket?
NONE 23
PLANT
OTHER 4
COMMENT
Al In trial for steam (and water) not successful for VCM.
D6 No problem finding substitutes; high cost though.
E8 Stuffing boxes in valves, pumps, agitators o.s.o. are no problem. We use mechanical seals and asbestos for sealing of expanded graphite or coolfiber.
For flanges in pipes, vessels, and boilers up to the diameter of 400 millimetre and normal service, we hope to use plain sheets of special rubber impregnated glassfiber and also expanded graphite on metal foil.
In strong acids, PTFE with or without filler or reinforcement.
For bigger diameter or divided gaskets, for instance in heat exchangers, we try to get an exemption for at least one year. We need better knowledge from our test with asbestos-free substitutes since it can be hazardous if they fail. The same will also be done for liquid chlorine in storage tanks and pressure vessels.
E9 Alternative gaskets for steam pipes are too thin and difficult to use.
115 Have not sought non-asbestos substitute gaskets.
L20 We are not aggressively seeking asbestos gasket substitutes. As outlined previously, asbestos gaskets typically do not represent a health hazard in our operation. Where asbestos gaskets are sufficiently decomposed so as to release fibers to the air, standard asbestos handling procedures are in place.
Q26 The non-asbestos flexitallic in steam service are too compressible. Bolts need to be re-tightened at a later date. EPDM "0" rings are used on Lenape manheads and VCM charge filters.
CTL016830