1、Designation: F 1567 94 (Reapproved 2006)An American National StandardStandard Specification forFabricated or Cast Automatic Self-Cleaning, Fuel Oil andLubricating Oil Strainers1This standard is issued under the fixed designation F 1567; the number immediately following the designation indicates the
2、year oforiginal adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers automatic or continuously
3、self-cleaning automatic strainers, or both, for use in fuel andlubrication oil systems. The strainer is designed to operateunder positive pressure (discharge side of the pump). Strainersmanufactured to this specification are suitable for use in anymarine environment.1.2 It is not the intent of this
4、document to redefine existingfiltration standards. The intent is to provide sound guidelinesfor purchasers and designers of lube oil and fuel oil systems.Nominal micron requirements and filter efficiencies shall be asagreed upon by the purchaser and manufacturer and stated inthe purchase order docum
5、ent.2. Referenced Documents2.1 ASTM Standards:2D 3951 Practice for Commercial PackagingF 795 Practice for Determining the Performance of a FilterMedium Employing a Single-Pass, Constant-Rate, LiquidTest3F 1199 Specification for Cast (All Temperatures and Pres-sures) and Welded Pipe Line Strainers (1
6、50 psig and 150FMaximum)F 1200 Specification for Fabricated (Welded) Pipe LineStrainers (Above 150 psig and 150F)2.2 ASME/ANSI Standards:4ASME Boiler and Pressure Vessel Code: Section VIIIDivision 1,Pressure VesselsASME Boiler and Pressure Vessel Code: Section IX,Welding and Brazing ProceduresB16.5
7、Steel Pipe Flanges and Flanged Fittings (IncludingRatings for Class 150, 300, 400, 600, 900, 1500, and2500)B16.42 Ductile Iron Pipe Flanges and Flanged FittingsClass 150 and 300Y14.5 Dimensioning and Tolerancing2.3 American Welding Society Standard:5AWS D1.3 Structural Welding Code2.4 MSS Standards:
8、6SP25 Standard Marking Systems for Valves and FittingsSP55 Quality Standards for Valve, Flanges and Fittings andOther Piping Components (Visual Method)2.5 Federal Specification:7PPP-F-320 Fiberboard: Corrugate and Solid Sheet Stock(Container Grade) and Cut Shapes2.6 Military Specifications:8MIL-P-11
9、6 Preservation, Methods ofMIL-B-121 Barrier Material, Greaseproofed, WaterProofed, FlexibleMIL-S-901 Shock Tests, H.I. (High Impact): ShipboardMachinery, Equipment and Systems, Requirements forMIL-P-15024 Plates, Tags and Bands for Identification ofEquipmentMIL-P-15024/5 Plates, Identification2.7 Mi
10、litary Standards:8MIL-STD-167-1 Mechanical Vibrations of ShipboardEquipment (Type IEnvironmental and Type II InternallyInduced)MIL-STD-740 Airborne and Structureborne Noise Mea-surement and Acceptance Criteria of Shipboard Equip-mentMIL-STD-2073-1 Material Procedures for Developmentand Application o
11、f Packaging Requirements3. Terminology3.1 Definitions of Terms Specific to This Standard:1This specification is under the jurisdiction of ASTM Committee F25 on Shipsand Marine Technology and is the direct responsibility of Subcommittee F25.11 onMachinery and Piping Systems.Current edition approved D
12、ec. 1, 2006. Published January 2007. Originallyapproved in 1994. Last previous edition approved in 2001 as F 1567 94 (2001).2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, r
13、efer to the standards Document Summary page onthe ASTM website.3Withdrawn.4Available from American Society of Mechanical Engineers (ASME), ASMEInternational Headquarters, Three Park Ave., New York, NY 10016-5990, http:/www.asme.org.5Available from American Welding Society (AWS), 550 NW LeJeune Rd.,M
14、iami, FL 33126, http:/www.aws.org.6Available from Manufacturers Standardization Society of the Valve and FittingsIndustry (MSS), 127 Park St., NE, Vienna, VA 22180-4602, http:/www.mss-.7Available from Superintendent of Documents, U.S. Government PrintingOffice, Washington, DC 20402.8Available from S
15、tandardization Documents Order Desk, Bldg. 4 Section D, 700Robbins Ave., Philadelphia, PA 19111-5094, Attn: NPODS.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.3.1.1 filter, or straining elementthe replaceable compo-nent in a strai
16、ner that performs the barrier separation of solidparticles from flowing fluid. It shall be removable for cleaningand servicing.3.1.2 maximum allowable working pressure (MAWP)thehighest internal pressure that the strainer can be subjected to inservice. The maximum non-shock working pressure for which
17、a strainer is rated by the manufacturer on its nameplate.3.1.3 maximum design temperaturethe maximum tem-perature for which a strainer is rated by the manufacturer.3.1.4 strainera device which, when installed in a pipeline,provides a mechanical means of removing suspended solidsfrom flowing liquid.3
18、.1.5 Straining element open area. The net effective openarea of the clean element through which the fluid can pass.4. Classification4.1 Strainers shall be furnished as Type I fuel oil or Type IIlubricating oil. The strainers may be either hydraulic, electric,or pneumatic operated.5. Ordering Informa
19、tion5.1 Orders for strainers under this specification shall includethe following:5.1.1 This specification number,5.1.2 Operating and design requirements for flow rate,pressure, temperature, nominal micron rating, fluid type, andviscosity. ASME Section VIII Division 1 Code Stamp require-ments.5.1.3 F
20、langed end connections class and type drilling, thatis, ANSI, DIN, and so forth.5.1.4 Orientation of inlet and outlet connections (see 6.2.9).5.1.5 Repair spare parts package (see 14.1).5.1.6 Quality criteria and test plan requirements.5.1.7 Additional test or supplementary requirements (that is,shi
21、p motions and attitude constraints, see 7.3 and S1).5.1.8 Strainer element open area if greater than require-ments in 6.2.6.5.1.9 Any special seal requirements.5.1.10 Any special control requirements, that is, differentialpressure gauges, valves, control panels, motors and so forth.5.1.11 Certified
22、drawing requirements showing mainte-nance envelope and mounting details.6. Materials and Manufacture6.1 The strainer shall be designed to remove contaminatingor unwanted solid particles, or both, from fuel oil and lube oil.The self-cleaning action shall be automatic, and shall have theability to bac
23、kwash, when required, the filtered fluid throughthe filter element in segments such that the contaminatingparticles are flushed free of the filter element. The self-cleaningaction of each unit shall be driven by a motor (electric,pneumatic, or hydraulic.)6.2 ComponentsEach strainer assembly shall co
24、nsist of ahousing with a removable cover, inlet and outlet connections,filter/straining element(s), self-cleaning mechanism(s), con-trols, and a differential pressure gauge. The strainer unit shallhave suitable supports. The cross-sectional flow area through-out the unit shall be equal to or greater
25、 than that of the pipingto which the strainer is connected.6.2.1 HousingThe strainer housing, cover, flanges, andother items which form the pressure boundary shall conform tothe requirements of the ASME Boiler and Pressure VesselCode: Section VIII, Division 1, Pressure Vessels. Cast greyiron pressur
26、e retaining components shall not be used. Unitsrequiring ASME stamp shall have it specified in the purchaseagreement. The dirty oil inlet shall be located at the lower partof the body and arranged to help prevent contamination of theclean outlet side of the strainer during disassembly.6.2.2 CoverThe
27、 removable cover shall be secured to thehousing by threaded fasteners. Removal of the cover shallprovide access to all internal components and shall not requireunbolting the inlet and outlet strainer piping connections.Cover lifting devices with integral supports or lifting eyes shallbe required for
28、 covers weighing more than 30 lb.6.2.2.1 Antispray featureThe strainer cover shall containa device to deflect fluid spray downward in the event of gasketfailure. The spray deflector shall remain in position at all timeswhen the cover is connected to the housing.6.2.3 GasketThe gasket or o-ring shall
29、 be capable ofproviding a positive seal under service and test conditions. Thegasket shall be installed between the cover and strainerhousing. This gasket shall be in place during the hydrostaticpressure test.6.2.4 Pipe and Flange DimensionsThe inlet and outletflanges shall be sized and drilled to c
30、onform with ANSI B16.5,Class 150 or 300, or as specified in the ordering data (see 5.1.3and ANSI B 16.42).6.2.5 Element SupportThe filter element support shall notpermanently deform when the assembly of the filter elementand element support is subjected to the strength of internals test(see 9.3.3).
31、The element support shall be designed to facilitateeasy removal of the filter element and element support as oneassembly. The element support must satisfy the flow arearequirements of 6.2.6.6.2.6 Filter ElementThe filter element may be furnishedin any corrosion resistant material compatible with the
32、 fluid inservice. The filter element shall be attached to the elementsupport in such a manner that it can be easily removed andreplaced from the element support. The straining element openarea shall be at least two to four times larger than the area ofthe strainer discharge connection.6.2.7 MotorThe
33、 self-cleaning action of each unit shall beoperated by a motor included as a part of the strainer. Thismotor can be hydraulic, electric or pneumatic.6.2.7.1 Hydraulic motorA motor exhaust connectionsized to meet the strainer hydraulic motor shall be provided.This motor exhaust connection shall also
34、be suitable forventing air during the initial fill and pressurization.6.2.7.2 Electric motorElectric motors shall be fractionalhorsepower, TEFC, NEMA design B, with a continuous rated1.15 service factor or equivalent. Voltage, phase and cyclerating shall be stated in the purchase document.6.2.7.3 Pn
35、eumatic motorDesign type shall be agreedupon between the purchaser and manufacturer.F 1567 94 (2006)26.2.8 Backflush StructureThe backflush structure shallperiodically or continuously clean all of the filter element bybackflushing system fluid through the element. The structureshall clean the filter
36、 element in segments so as not to disrupt thesystem flow through the strainer at any time. All impuritiesseparated shall be isolated from the filtered liquid and dis-charged. All shaft penetrations shall require seals suitable foroil service.6.2.9 ConnectionsThe inlet and outlet connections shallbe
37、flanged. The inlet and outlet shall be permanently markedand identified.6.2.9.1 Drain connections shall be provided. These connec-tions shall be furnished with caps or plugs.6.2.9.2 The unit shall have a suitable means of removingsludge from the strainer when it is isolated from service orduring nor
38、mal operation.6.2.10 Lifting AttachmentsEach housing and the covershall be provided with suitable sling attachment areas forlifting in a normal position. If lifting eyes are used, each eyeshall have the capability to carry the total weight.6.2.11 MountingFree standing strainers shall be mountedby fe
39、et attached to the housing. Each foot must be providedwith a suitable hole to accommodate one hold-down bolt.6.3 WeldingWelding for nonpressure-boundary compo-nents shall be in accordance with the AWS Structural WeldingCode. Welding for pressure boundary components shall be inaccordance with the ASM
40、E Boiler and Pressure Vessel Code.6.4 Treatment and PaintingThe exterior of the strainershall be treated and painted in accordance with standardcommercial practice.6.5 MaterialDuctile iron, bronze, carbon steel, and stain-less steel materials used in the fabrication of the automaticself-cleaning str
41、ainer shall not affect nor be affected bypetroleum products. Materials shall be in accordance withASTM or ASME specifications. Dissimilar metal connectionsshall be designed to provide optimum corrosion protection.6.6 SealsStrainer seals shall be elastomers suitable forthis service.7. Operating Requi
42、rements7.1 PressureThe strainer shall be suitable for operation inthe range of 0.21 to 1.03 MPa (30 to 150 psi).7.2 TemperatureThe strainer shall be suitable for opera-tion between 15 to 120C (60 to 250F) unless otherwisespecified in the ordering data (see 5.1.2).7.3 Shipboard PerformanceStrainers s
43、hall be capable ofoperating in accordance with all requirements of this specifi-cation when subjected to the purchase agreement specified shipmotion and attitude constraints (see 5.1.7).7.4 Self-Cleaning RateThe pressure drop through thestrainer assembly shall not exceed the manufacturers maxi-mum r
44、ated pressure drop during operation. Specifically, theself-cleaning mechanism shall be capable of maintaining thepressure drop below this value when contaminated fluid isbeing pumped through the strainer at the design flow specifiedin 5.1.2.8. Workmanship8.1 WorkmanshipThe strainer and its component
45、s shall befree from blow holes, porosity, hard spots, shrinkage defectsand cracks. All surfaces shall be smooth and clean (referenceMSS SP55). Where dimensions and tolerances affect inter-changeability, operation, or performance or any combinationthereof, they shall be held.8.2 CleaningThe strainer
46、shall be cleaned of all extrane-ous material and dried.9. Tests9.1 Each strainer will have standard hydrostatic tests per-formed in accordance with Specifications F 1199 or F 1200whichever is applicable. When specified as part of the purchaseagreement, a detailed test plan may be submitted for appro
47、val.The performance, prototype and operational tests listed herein,shall be performed to prove the design. All strainers producedunder this specification will meet these minimum require-ments. Proof of test qualification shall be provided whenspecified in the purchase agreement.9.2 Test ExtensionsWh
48、en the following conditions aresatisfied, extension of a product test of one size to qualifyanother size is permitted (see Table 1):9.2.1 Similar geometry and design characteristics.9.2.2 Similar or stronger material than the tested unit.9.2.3 Same pressure rating.9.2.4 Similar or stronger end conne
49、ctions.9.2.5 Similar sealing configurations.9.2.6 Same mode of operation and operator attachment.9.3 Operational Tests:9.3.1 Flow Capacity TestThe test shall be performed ingeneral accordance with Practice F 795. The pressure drop atthe rated flow shall not exceed 0.07 MPa (10 psi) with a fluidviscosity of 250 SSU.9.3.2 Inclined Flow Capacity TestThe flow capacity testin 9.3.1 will be performed at a list and trim angle of 30.9.3.3 Strength of Internals Test:The filter elements shall be proven to withstand a minimumpressure differential
