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Absolute-Rated Cartridge Filters for Consistent Product QualityAbsolute-Rated Cartridge Filters for Consistent Product Quality
Superior Service Life for Reduced Total Filtration CostsSuperior Service Life for Reduced Total Filtration Costs
Unique Sealing System for Ease of UseUnique Sealing System for Ease of Use
Configurations Available to Retrofit Current ApplicationsIn Existing Filter Housings Configurations Available to Retrofit Current ApplicationsIn Existing Filter Housings
Petro-Klean Filtration Systems including®Express Series ASME Code Housings
Petro-Klean Filtration Systems includingExpress Series ASME Code Housings®
Petro-Klean Cartridge Filter SystemsFor Oil and Gas Processing
Petro-Klean Cartridge Filter SystemsFor Oil and Gas Processing
®®
®
a 3M company
The Industry Standard for Oil & Gas Systems Petro-Klean cartridges are easy to use filters manufactured from cellulosefibers, glass fibers, and a chemically resistant thermosetting resin to producea durable, rigid filter structure. Standard Petro-Klean cartridges are groovedto significantly increase the surface area and extend service life in fluidfiltration applications. Both grooved and smooth-surface Petro-Klean filtersare available with absolute ratings from 10 to 60 microns. Cartridge configurations include standard industrial 2 5/8” OD, 336 style 3” OD, PGstyle 4 ½” OD, and the PR internal o-ring style, in lengths from from 9 ¾” to 72” with a wide range of end-treatments to ensure that Petro-Klean filtercartridges can easily retrofit installed filter housings. Standard diameterindustrial Petro-Klean products include patented* polyethylene foam gasketsfor positive sealing in double open end housings. CUNO offers cartridges inthe single open end style that employ integral polypropylene caps and springs to eliminate separate spring and seal assemblies.
Significant Life Advantage and Consistent Performance The rigid graded porosity grooved structure of a Petro-Klean cartridge provides a significant life advantage overcompetitive products. Users of Petro-Klean in amine sweetening applications benefit from service life improvement2 to 4 times greater than competitive products with amine clarity completely restored. Absolute rated Petro-Klean filters provide consistent performance at all times. Unlike many competitors, the rigid Petro-Klean structure does notunload or lose filtration efficiency throughout its usable life. (See Graph 1 on page 4).
An installation of Petro-Klean filters in an amine system at a major New Mexico gas processing plant demonstratedthe filter’s ability to provide over 3.5 times the life of a pleated media used previously. Petro-Klean filters providedover $250K in total filtration cost savings during the first year of use. In another installation, a Texas NGLmanufacturing facility substituted a 72" “PG series” Petro-Klean gas filter for a competitive “sock type” filter. Theresult was a service life increase from a maximum of three weeks with the “sock”, to 12-14 weeks with Petro-Klean.
Rigid Graded-Porosity Petro-Klean StructurePetro-Klean filter cartridges are manufactured using an exclusive process to achieve atrue graded-porosity structure. A proprietary CUNO manufacturing process results in a progressively more dense center core region creating a graded-porosity structure.Each fiber is locked in place by a thermosetting resin binder to create a rigiddepth filter matrix that traps larger particles near the outer surface and smallerparticles near the cartridge’s inside diameter. The overall effect is to greatlyimprove cartridge service life by retaining particles and deformable contaminantsin decreasing particle size ranges as the contaminant particles progress through the cartridge.
High Surface Area Petro-KleanPetro-Klean cartridges also feature an optimized groove pattern toincrease the surface area by over 65% when compared to ungroovedcylindrical cartridges. The grooved surface prevents prematureblinding of the outer surface by large particles and allows fullutilization of the depth structure. Maximum surface area with a truegraded-porosity structure means that Petro-Klean can providesignificantly greater service life than competitive filter cartridges.
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Petro-Klean® Filters
FLUIDFLUID FLUIDFLUID
GRADED-POROSITYSTRUCTURE
GRADED-POROSITYSTRUCTURE
UNGROOVEDSURFACE
GROOVEDSURFACE
INCREASE INSURFACE AREA
FLOW FLOW
* U.S. Patent Number 5,015,316, 5,028,037, and other U.S. and foreign patent rights.
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The Petro-Klean Advantage!
Feature Advantage Benefit
n Absolute-rated cartridge filters from 10 - 60 microns
n Distinct particle sizecutoff at the specifiedremoval rating
n Reproducible effluentquality throughout thefilter’s life
n Beta 1000 rated throughoutthe cartridge life
n No bypass or unloading at high differentialpressure
n Consistent productquality throughout thefilter’s life
n Grooved surface with truegraded-porosity structure
n Significantly longer life n Dramatic cost savingswith optimized yields
n Patented “336" cartridgeelastomer sealing system
n User-friendly, maintains integrity at highdifferential pressure
n Fast filter change-outand consistent productquality
n No metal or plastic cores n Easy disposal, suitablefor incineration orshredding
n Reduced disposal costs
n Available in 2 5/8" OD, 3" OD, and 4 ½” OD and lengths to72”
n Broad range ofconfigurations forcustom sizing
n Retrofit existinghousings and currentapplications
Available in standard industrial 2 5/8" OD and 336 style 3" OD, and PG style 4 1/2" OD cartridges to fit existing installations
Internal O-Ring sealing retrofit cartridge.
Patented polyethylene foam gasket for positive seal
Grooved graded-porosity structure increases service life andreduces total filtration costs.
Rigid resin bonded structureprevents unloading andbypass to provide consistentproduct quality.
Integral spring end cap eliminates awkwardspring and seal assemblies.
Patented *elastomer sealing system for 336 stylecartridges fit 336 style housings, eliminate bypassand enhance ease-of-use.
* U.S. Patent Number 5,399,264
Petro-Klean for Natural Gas ProcessingPetro-Klean provides excellent filtration performance in manynatural gas processing applications including:
n Amine Sweeteningn Glycol Dehydrationn Compressor lube oil systemsn Fuel Gas
Petro-Klean for RefiningPetro-Klean provides excellent filtration performance in manyrefinery applications including:
n Amine plant systemsn Hydrotreatingn Catalytic reformingn Sour water stripping
Oil & Gas Processors have long recognized the benefits thatabsolute filtration systems provide including:
n Clean, high quality fluids for increased processefficiency
n Consistent protection of equipment to eliminatefouling of heat exchangers, reboilers, and pumps
Petro-Klean absolute filtration systems provide:
n Long on-stream service life to reduce downtime and maintenancen Consistent filtration efficiency (Beta Rated Performance) throughout the entire operationn Reduced total filtration costs
Petro-Klean for WaterfloodDistinct particle size cutoff and reproducible effluent quality make absolute-rated Petro-Klean ideally suited forwaterflood applications. Petro-Klean consistently provides clean fluids to maximize well production. The efficientremoval of suspended solids minimizes formation damage and plugging, and reduces the need for injection wellworkovers.
Petro-Klean for Enhanced Oil RecoveryIn chemical processes, steam flood applications, and gas injection projects, absolute filtration is critical for removal ofsolid particles and contaminants that plug formations and foul equipment. Petro-Klean’s rigid structure provides clean fluids and gases to optimize enhanced oil recovery (EOR) process efficiency and to protect equipment, reducingmaintenance and repair costs.
Petro-Klean for Lube Oil ApplicationsReproducible performance by Petro-Klean is essential for many lube oil applications in gas plants, gas transmissionfacilities and refineries. Petro-Klean’s consistent absolute retention of particles provides specific benefits overcompressible structures - sock type, string-wound, or melt-blown filter elements - that typically unload or lose filtrationefficiency as differential pressure increases.
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Filtration Applications
Absolute removal ratings for Petro-Klean are determinedusing a filter performance test developed by CUNO tocomply with the general procedures outlined in ASTM 975.CUNO defines absolute rating as the particle size (x)providing an initial Beta Ratio (Bx) = 1000. At this Beta ratiothe removal efficiency is equal to 99.9%. Beta Ratio (Bx) isdefined by the following equation:
Petro-Klean filters achieve a minimum Beta (Bx) value of1000 at the ratings specified in Table 1.
Petro-Klean - Consistent PerformanceThe initial Beta Ratio for all grades of Petro-Klean filter cartridges is equal or greater than 1000, and Petro-Kleancartridges perform at or above this initial value throughout the usable (all the way to plugging) life. This defines thePetro-Klean absolute filtration performance. The Beta Ratio vs. Differential Pressure in Graph 1 illustrates howcompetitive filters do not achieve the consistent performance of Petro-Klean. Filters that show a decrease in BetaRatio as the differential pressure increases are exhibiting either unloading of previously held contaminants or a loss of filtration efficiency.
As illustrated in Graph 1, the performance of the Rolled Fiber Sock cartridges (Competitor B) exhibits contaminantunloading and a loss of filtration efficiency as differential pressure increases from 1 to 10 psid. The Melt-Blown(Competitor A) and the Pleated Cellulose/Polyolefin (Competitor C) filters exhibit minimal contaminant retentionthrough the test duration.
4
Cumulative Number of Particles Larger than x in the Influent ChallengeCumulative Number of Particles Larger than x in the Effluent
B = x
0
INITIAL 0.5 1 10
200
400
600
800
1000
Bet
a R
atio
Differential Pressure (psid)
PK A B C C C CB B BA A APK PK PK
A - Melt-Blown Polypropylene
NOTE: Petro-Klean at or above Beta 1000 throughout service life
Legend:C - Pleated MediaB - Rolled Fiber Sock
Petro-Klean - Rigid Resin Bonded
GRAPH 1. - BETA RATIO COMPARISON 10 µm CARTRIDGES
Absolute Petro-KleanGrade Designation Absolute Rating (µm)
M100 10
M200 20
M300 30
M400 40
M600 60
TABLE 1 PETRO-KLEAN ABSOLUTE RATINGS
Rating & Materials Of ConstructionAbsolute
Rating (µm) Grade Fiber Resin
10 M100Cellulose / Glass
Melamine20 M20030 M300
Cellulose40 M40060 M600
Operating Parameters
Maximum OperatingTemperature
Standard (Media Only)*250°F (121°C)
With Polyester End FittingsWith Polyethylene Foam Gasket 200°F (93°C)
With Elastomer Seal orPolypropylene End Fittings 180°F (82°C)
Maximum DifferentialPressure 70 psid (4.8 bar) @ 68oF (20oC)
RecommendedChange-out Differential
Pressure35 psid (2.4 bar)
Dimensions
PG Style PR Style 336 Style StandardIndustrial Style
ID 3 1/8” (79.4 mm) 1 15/32” (37.3 mm) 1 15/32” (37.3 mm) 1 1/16" (27 mm)
OD 4 ½” (114.3 mm) 2 25/32” (70.6 mm) 2 25/32” (70.6 mm) 2 19/32" (65.9mm)
Length 24” to 72” (610 - 1829 mm) 39” (990.6 mm) 36” (914 mm) 9 3/4" to 40" (248
- 1016 mm)
TABLE 2. - PETRO-KLEAN PRODUCT SPECIFICATION
Petro-Klean Flow RatesStandard Industrial Cartridges
Grade Absolute Rating Specific ∆p/10" Element * (psi/gpm)M100 10 0.35M200 20 0.19M300 30 0.11M400 40 0.10M600 60 0.09
336 Style CartridgesGrade Absolute Rating Specific ∆p/36" Element (psi/gpm)M100 10 0.06M200 20 0.04M300 30 0.03M400 40 0.02M600 60 0.015
PG Style Cartridges (4 ½” OD)Grade Absolute Rating Specific ∆p/12" Element** (psi/gpm)M100 10 0.12M200 20 0.06M300 30 0.03M400 40 0.02M600 60 0.01
PR Style Cartridges (Internal O-Ring)Grade Absolute Rating Specific ∆p/39" Element (psi/gpm)M100 10 0.06M200 20 0.04M300 30 0.03M400 40 0.02M600 60 0.015
*Specific aqueous pressure drop (∆p) for a 10" equivalent length cartridge. For multiple length cartridges, divide total flow by the number of 10" equivalents.
** Specific aqueous pressure drop (∆p) for a 12" equivalent length cartridge. For multiplelength cartridges, divide total flow by the number of 10" equivalents.
TABLE 3. - PETRO-KLEAN FLOW RATES
For liquids other than water, use the following formula inconjunction with the values from column 3 of Table 3.The specific pressure drop values may be effectivelyused when three of the four variables (Viscosity, Flow,Differential Pressure, and Cartridge Grade) are set.
Petro-Klean Chemical CompatibilityPetro-Klean is well suited for organic solvents includingamines and glycols. Table 4 contains specificrecommendations.
Fluid RATING
Category Example
OrganicSolvents
Amines (DEA, MDEA, MEA) 20% - 50% up to 160°F (71°C) R
Glycols R
MEK R
Benzene R
Xylene R
Alcohols R
Dimethyl Formamide (DMF) R
Petroleum Gasoline R
Kerosene R
Diesel Fuel R
Lube Oil R
Fuel Oil R
Waxes R
Water Process (212°F/100°C) R
Produced (212°F/100°C) R
Boiler Feed (212°F/100°C) R
Demineralizer Feed (212°F/100°C) R
Organic Acids Acetic (100%) N
Tannic 10% N
InorganicAcids
Hydrochloric (Muriatic ) Acid 5% N
Sulfuric 50% N
Sulfurous 5-10% N
Nitric N
Brines andAqueous SaltSolutions
Sodium Chloride R
Sodium Sulfate R
Sodium Nitrate R
Weak Alkalis Aluminum Hydroxide N
Ferric Hydroxide N
Magnesium Hydroxide N
Fatty Acids -Oils
Detergents R
Mineral Oil R
Silicone Oils R
R = Generally Recommended up to 250°F (121°C) unless otherwise noted.
N = Not Recommended
TABLE 4. - CHEMICAL COMPATIBILITY
The recommendations in Table 3 are for generalguidance only. Testing under specific applicationconditions is recommended. For various endmodifications and multi-length cartridges, consult yourlocal distributor or CUNO. Refer to CUNO publicationGF.G02.788 for additional information.
Petro-Klean Waste ManagementPetro-Klean filter cartridges contain no metal or plasticcores. They can be incinerated, shredded, or crushedafter use to reduce overall disposal costs. For moreinformation about Petro-Klean disposal, refer to CUNOliterature CF.TD2.
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Petro-Klean Product Specifications
psidclean
Total systemgpm
Viscosity inCp
Value fromtable
Number ofEquivalent Single Length Cartridges
in housing
=(
(( ( (
(( (
CUNO Filter HousingsThe Express Series (ES) cartridge filter housings are designed and certified to ASME Code,
Section VIII, Div. I to provide a broad range of high quality stainless and carbon steel vesselsfor the oil and gas processing industries. Available in 150 and 300 psi ASME Code, thispremium 304L, 316L stainless, or carbon steel filter housing can be constructed to fit specificsystem requirements including inlet/outlet location, connection size and type, and corrosionallowance. For more information ask your local CUNO Distributor for literature numberLITCHSES1.
Express Series Advantagesn Durable construction for long service lifen Easy access, swing bolts and cover lifting device, for filter removaln Flexible housing design accepts a wide range of industrial style filtersn Easy maintenance and clean-upn ASME Code design meets plant safety requirements
HousingModel
Housing Diameter(Inches)
Number ofCartridges Cartridge Style Construction
MaterialPressure
RatingGasket
MaterialsOutlet
LocationFor Standard Industrial Cartridges (2.625” Maximum OD)
ES
8 6
Double Open End
Carbon Steel, 304L Stainless Steel, or
316L StainlessSteel
150 psi or 300 psi
Nitrile, EPR, Viton, or PTFE
encapsulatedViton
Bottom, Side90°,Side 180°
Side 270°
12 1214 1816 2420 3624 5230 8536 120
For 336 Style Cartridges (36” long by 3” Maximum OD)
ES
8 3
Petro-Klean 336
Carbon Steel, 304L Stainless Steel, or
316L StainlessSteel
150 psi or 300 psi
Nitrile, EPR, Viton, or PTFE
encapsulatedViton
Bottom, Side90°,Side 180°
Side 270°
12 914 1216 1720 2724 3930 6336 91
CUNO ... A World Leader in Fluid PurificationCUNO’s manufacturing sites have ISO 9000 registered qualitysystems. Global manufacturing together with trained stockingdistributors and state-of-the-art laboratory support bring qualitysolutions to existing and challenging gas processing filtrationapplications.
Scientific Applications Support Services (SASS)The cornerstone of CUNO’s philosophy is service to customers, not only in productquality and prompt delivery, but also in problem solving, application support, and in thesharing of scientific information. CUNO’s Scientific Applications Support Services (SASS) group is a market-focused group of scientists and engineers who work closely withcustomers in the oil & gas processing industry to provide solutions to challenging filtration applications and aid in the selection of the most efficient and economical filter systems.SASS provides a vital link between CUNO and users of CUNO filter systems. SASSspecialists are skilled in performing on-site testing (pilot or lab bench scale) and are ableto relate field test results to full manufacturing scale operations. SASS projects can alsobe performed in CUNO’s extensive in-house laboratory facilities. CUNO’s vastexperience with gas processing operations worldwide provides the knowledge and insight to resolve problems promptly and efficiently in a cost-effective, confidential manner.
6
© Copyright CUNO Incorporated, 1999 - All Rights Reserved LITCPK1.0704
Petro-Klean Ordering GuideStandard Dimension Industrial Cartridges (2 5/8" OD)
Cartridge Type Cartridge LengthGrade Description
Surface Type Packaging Option End Modification Gasket MaterialGrade Absolute
Rating (µm)
PT (2 5/8" OD)09 - 9 3/4" M100 10 G - Grooved
2 - BulkC - 222 O-ring & Spear A - Silicone
10 - 10" M200 20 U - Ungrooved F - 222 O-ring & Flat Cap B - Fluorocarbon
19 - 19 1/2" M300 30 N - None C - EPR
20 - 20" M400 40 P - Polypropylene Core Extender D - Nitrile
29 - 29 1/4" M600 60 R - Closed Cap with Stainless Spring N - None*
30 - 30" S - Stainless Steel Core Extender G - PE Foam*
39 - 39" Q - Same as “R” without Spring
40 - 40" Y - Single O-ring (40” length only)* For End Modifications N, P, R, & S only.
336 Style Cartridges (3" OD)
Cartridge Type Cartridge LengthGrade Description
Surface Type Packaging Option End Modification Gasket MaterialGrade Absolute
Rating (µm)
PK (3" OD)35 - 35 1/2" M100 10 G - Grooved
2 - BulkV - Elastomer Compression Seal (Double Open End) S - Elastomer Compression Seal
36 - 36" M200 20 U - Ungrooved
37 - 36 1/2" M300 30 W - Elastomer Compression Seal (Single Open End)72 - 72” * M400 40
M600 60 R - Closed Cap with SpringG - PE Foam
*Available with V or W end modifications only.
PG Style Cartridges (4 1/2" OD)
Cartridge Type Cartridge LengthGrade Description
Surface Type Packaging Option End Modification Gasket MaterialGrade Absolute
Rating (µm)
PG (4 1/2" OD)24 - 24" M100 10
U - Ungrooved 2 - Bulk N - NoneG - PE Foam
36 - 36" M200 20 N - None
71 - 71" M300 30
72 - 72” M400 40
M600 60
PR Style Cartridge (Internal O-Ring)
CartridgeType
CartridgeLength
Grade DescriptionSurface Type Packaging
Option End Modification End Fitting O-Ring MaterialGrade Absolute
Rating (µm)
PR 39 - 39"M100 10 G - Grooved
2 - BulkS – Standard, Polypropylene 1 - 1.9" ID O-ring B - Fluorocarbon
M200 20 U - Ungrooved H – High Temperature, Polyester 2 - 2.2" ID O-ring C - EPR
M300 30 D - Nitrile
M400 40
M600 60
Seller warrants its equipment against defects in workmanship and material for a period of 12 months from date of shipmentfrom the factory under normal use and service and otherwise when such equipment is used in accordance with instructionsfurnished by Seller and for purposes disclosed in writing at the time of purchase, if any. Any unauthorized alteration ofmodification of the equipment by Buyer will void this warranty. Seller’s liability under this warranty shall be limited to thereplacement or repair, F.O.B., point of manufacture, of any defective equipment or part which, having been returned to thefactory, transportation charges prepaid, has been inspected and determined by Seller to be defective. THIS WARRANTY
IS IN LIEU OF ANY OTHER WARRANTY, EITHER EXPRESSED OR IMPLIED, AS TO DESCRIPTION,QUALITY, MERCHANTABILITY, FITNESS FOR ANY PARTICULAR PURPOSE OR USE, OR ANY OTHERMATTER. Under no circumstances shall Seller be liable to Buyer or any third party for any loss of profits or otherdirect or indirect costs, expenses, losses or consequential damages arising out of or as a result of any defects inor failure of its products or any part or parts thereof or arising out of or as a result of parts or componentsincorporated in Seller’s equipment but not supplied by the Seller.
WARRANTY
Cuno Incorporated400 Research Parkway
Meriden, CT 06450, U.S.A.Tel: (800) 243-6894
(203) 237-5541Fax: (203) 630-4530
www.cuno.com
CUNO Pacific Pty Ltd140 Sunnyholt Road
Blacktown, NSW 2148Australia
CUNO K.K.Hodogaya Station
Building 6F1-7 Iwai-cho, Hodogaya-ku
Yokohama 240 Japan
CUNO Latina LtdaRua Amf Do Brasil 251
18120 Mairinque-SpBrazil
CUNO Ltd21 Woking Business Park
Albert DriveWoking, Surrey GU215JY
United Kingdom
CUNO Filtration Asia Pte Ltdrd18 Tuas Link 1 (3 Floor)
Singapore 638599
Cuno Filtration Shanghai Co, Ltd No. 2 Xin Miao San Rd,
Xin Miao Town, Song Jiang District,
Shanghai. China. 201612
a 3M company
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