1、Designation:F137092(Reapproved 2011)An American National StandardStandard Specification forPressure-Reducing Valves for Water Systems,Shipboard1This standard is issued under the fixed designation F1370;the number immediately following the designation indicates the year oforiginal adoption or,in the
2、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.This standard has been approved for use by agencies of the U.S.Department of Defense.1.Scope1.1 This spec
3、ification covers self-contained,globe style,pressure-reducing valves for use in water systems of shipboardinstallations.These valves are limited to discharge pressuresettings of 200 psig(1379 kPa)and below.1.2 The values stated in inch-pound units are to be regardedas the standard.The values given i
4、n parentheses are forinformation only.1.3 The following precautionary caveat pertains only to thetests portion,Section 8,of this specification:This standarddoes not purport to address all of the safety concerns,if any,associated with its use.It is the responsibility of the user of thisstandard to es
5、tablish appropriate safety and health practicesand determine the applicability of regulatory limitations priorto use.2.Referenced Documents2.1 ASTM Standards:2A125 Specification for Steel Springs,Helical,Heat-TreatedA193/A193M Specification for Alloy-Steel and StainlessSteel Bolting for High Tempera
6、ture or High PressureService and Other Special Purpose ApplicationsA194/A194M Specification for Carbon andAlloy Steel Nutsfor Bolts for High Pressure or High Temperature Service,or BothA231/A231M Specification for Chromium-Vanadium AlloySteel Spring WireA276 Specification for Stainless Steel Bars an
7、d ShapesA313/A313M Specification for Stainless Steel Spring WireA689 Specification for Carbon and Alloy Steel Bars forSpringsB21/B21M Specification for Naval Brass Rod,Bar,andShapesB26/B26M Specification for Aluminum-Alloy Sand Cast-ingsB61 Specification for Steam or Valve Bronze CastingsB62 Specifi
8、cation for Composition Bronze or Ounce MetalCastingsB148 Specification for Aluminum-Bronze Sand CastingsB150/B150M Specification for Aluminum Bronze Rod,Bar,and ShapesB637 Specification for Precipitation-Hardening and ColdWorked Nickel Alloy Bars,Forgings,and Forging Stockfor Moderate or High Temper
9、ature ServiceB689 Specification for Electroplated Engineering NickelCoatingsF467 Specification for Nonferrous Nuts for General UseF468 Specification for Nonferrous Bolts,Hex Cap Screws,Socket Head Cap Screws,and Studs for General UseF593 Specification for Stainless Steel Bolts,Hex CapScrews,and Stud
10、sF594 Specification for Stainless Steel Nuts2.2 ANSI Standards:3ANSI B1.1 Unified Screw ThreadsANSI B1.12 Class 5 Interference,Fit Thread2.3 ISA Standards:4S75.01 Flow Equations for Sizing Control ValvesS75.02 Control Valve Capacity Test Procedure2.4 Federal Specifications:5QQ-B-637 Brass,Naval:Rod,
11、Wire,Shapes,Forgings,andFlat Products with Finished Edges(Bar,Flat Wire,andStrip)QQ-C-390 Copper Alloy Casting(Including Cast Bar)QQ-C-465 Copper-Aluminum Alloys(Aluminum Bronze)(Copper Alloy Numbers 606,6014,630,632M,and 642);Rod,Flat Products with Finished Edges(Flat Wire,Strip,and Bar)Shapes,and
12、Forgings1This 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 Nov.1,2011.Published November 2011.Originallyapproved in 1992.Last previous editio
13、n approved in 2005 as F1370 92(2005).DOI:10.1520/F1370-92R11.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3Avai
14、lable from American National Standards Institute(ANSI),25 W.43rd St.,4th Floor,New York,NY 10036,http:/www.ansi.org.4Available from Instrumentation,Systems,and Automation Society,67 Alexan-der Dr.,Research Triangle Park,NC 27709.5Available from Standardization Documents Order Desk,DODSSP,Bldg.4,Sect
15、ionD,700RobbinsAve.,Philadelphia,PA19111-5098,http:/dodssp.daps.dla.mil.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 QQ-N-281 Nickel-Copper Alloy Bar,Rod,Plate,Sheet,Strip,Wire,Forgings,and Structural and Special ShapedSectionsQQ-N-286
16、 Nickel-Copper-Aluminum Alloy,Wrought(UNSN05500)QQ-N-288 Nickel-Copper Alloy and Nickel-CopperSiliconAlloy,CastingsQQ-S-763 Steel Bars,Wire,Shapes,and Forgings,Corro-sion ResistingQQ-S-766 Steel Corrosion Resisting Plate,Sheet and StripQQ-W-390 Wire,Nickel-Chromium-Iron AlloyTT-P-645 Primer Paint,Zinc Chromate,Alkyd Type2.5 Military Standards and Specifications:5MIL-V-3 Valves,Fittings,and Flanges(Except for SystemsIndicated Herein),Packaging ofMIL-S-901 Shock Tests,H.I.(High Impact),ShipboardMa