1、Designation:F120088(Reapproved 2010)An American National StandardStandard Specification forFabricated(Welded)Pipe Line Strainers(Above 150 psigand 150F)1This standard is issued under the fixed designation F1200;the number immediately following the designation indicates the year oforiginal adoption o
2、r,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers welded strainers in servicesabove 150 psig or 150F(1 MPa an
3、d 65C).For weldedstrainers in services at or below these ratings and cast strainers,see Specification F1199.1.2 This specification provides the minimum requirementsfor the design fabrication,rating,marking,and testing ofwelded pipe line strainers for services above 0F(18C).1.3 Strainers manufactured
4、 to this specification are accept-able for use in the marine environment.1.4 The values stated in inch-pound units are to be regardedas the standard.The values given in parentheses are forinformation only.1.5 The following safety hazards caveat pertains only to thetest methods portion,Section 8,of t
5、his specification.Thisstandard does not purport to address all of the safety concerns,if any,associated with its use.It is the responsibility of the userof this standard to establish appropriate safety and healthpractices and determine the applicability of regulatory limita-tions prior to use.2.Refe
6、renced Documents2.1 ASTM Standards:2D93 Test Methods for Flash Point by Pensky-MartensClosed Cup TesterF722 Specification for Welded Joints for Shipboard PipingSystemsF1199 Specification for Cast(All Temperatures and Pres-sures)and Welded Pipe Line Strainers(150 psig and150F Maximum)2.2 ANSI Standar
7、ds:3B2.1 Pipe ThreadsB16.1 Cast Iron Pipe Flanges and Flanged FittingsB16.3 Malleable Iron Threaded FittingsB16.4 Cast Iron Threaded FittingsB16.5 Steel Pipe Flanges and Flanged FittingsB16.11 Forged Steel Fittings,Socket-Welding and ThreadedB16.15 Cast Bronze Threaded FittingsB16.24 Bronze Pipe Fla
8、nges and Flanged FittingsB16.25 Buttwelding EndsB31.1 Power Piping2.3 MSS Standards:4SP-51 150 lb Corrosion Resistant Cast Flanges and FlangedFittingsSP-63 High Strength Wrought Welding Fittings2.4 ASME Standard:5ASME Boiler and Pressure Vessel Code:Section VIII,Division 1,Pressure VesselsASME Boile
9、r and Pressure Vessel Code:Section IX,Weld-ing and Brazing Qualifications3.Terminology3.1 Definitions:3.1.1 basket or elementthe replaceable part in a strainerthat performs the barrier separation of solid particles fromflowing fluid.It is normally removable for cleaning andservicing and can be furni
10、shed in a wide variety of materials,particle size removal capability,straining area,and types ofconstruction.Interchangeable baskets or elements are normallyavailable for a given make,model,and size strainer.3.1.2 maximum allowable working pressure(MAWP)thehighest internal pressure that the strainer
11、 can be subjected to inservice.The maximum nonshock working pressure for which astrainer is rated by the manufacturer.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 Syste
12、ms.Current edition approved March 1,2010.Published April 2010.Originallyapproved in 1988.Last previous edition approved in 2004 as F1200 88(2004).DOI:10.1520/F1200-88R10.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual B
13、ook of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3Available from American National Standards Institute(ANSI),25 W.43rd St.,4th Floor,New York,NY 10036,http:/www.ansi.org.4Available from American Society of Mechanical Engineers(ASME),ASMEInternat
14、ional Headquarters,Three Park Ave.,New York,NY 10016-5990,http:/www.asme.org.5Available from Manufacturers Standardization Society of the Valve and FittingsIndustry(MSS),127 Park St.,NE,Vienna,VA 22180-4602,http:/www.mss-.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohock
15、en,PA 19428-2959.United States1 3.1.3 maximum design temperaturethe maximum tem-perature(MAT)for which the strainer is rated by the manu-facturer.3.1.4 strainera device which,when installed in a pipeline,provides a mechanical means of removing solids from aflowing liquid or gas by using a barrier el
16、ement.3.1.5 straining open areathe net effective open area of theclean element through which the fluid can pass.4.Classification4.1 Strainers may be classified into three general construc-tion categories,simplex,duplex(or multiplex),and automatic(self-cleaning),as follows:4.1.1 SimplexA strainer consisting of a single basket orelement chamber that normally requires the flow through theunit to be shut down before cleaning.4.1.1.1 Classifications of simplex strainers based on portalignment relativ
