ASTM_F_707_-_F_707M_-_94_2011.pdf

Designation:F707/F707M94(Reapproved 2011)An American National StandardStandard Specification forModular Gauge Boards1This standard is issued under the fixed designation F707/F707M;the number immediately following the designation indicates the yearof original adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.A superscript 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 specification covers modular gauge boards formounting 89-mm(312-in.),114-mm(412-in.),152-mm(6-in.),and 216-mm(812-in.)dial size pressure gauges and dialthermometers for miscellaneous shipboard applications.1.2 Gauge boards ordered under this specification are suit-able for pressure gauges and dial thermometers with eitherturret or back flanged type cases and with either back or bottomconnections(see Appendix X1).1.3 Gauge mounting dimensions shall be in accordance withANSI B 40.01.1.4 The values stated in SI units are to be regarded as thestandard.The inch-pound values given in parentheses are forinformation only.NOTE1Gauge boards covered by this specification are those normallysupplied by the shipyard as opposed to the shipyards equipment subcon-tractor.2.Referenced Documents2.1 Other Standards:B 40.1Gauges,Pressure and Vacuum,Indicating DialTypeElastic Element2Fed Spec.TT-P-645 Primer,Paint,Zinc-Chromate,AlkydType3DoD-P-15328 Primer(Wash),Pretreatment(Formula No.117 for Metals)(Metric)33.Classification3.1 Gauge boards are furnished in two types as follows:3.1.1 Type IGauge boards for mounting 89-mm(312-in.)and 114-mm(412-in.)dial size gauges as specified in Section 5.3.1.2 Type IIGauge boards for mounting 152-mm(6-in.)and 216-mm(812-in.)dial size gauges as specified in Section5.3.2Gauge boards are furnished in two grades as follows:3.2.1 Grade aGauge boards are to be manufactured fromcarbon steel as specified in Section 5.3.2.2 Grade bGauge boards are to be manufactured fromaluminum alloy as specified in Section 5.4.Ordering Information4.1 Orders for gauge boards under this specification shallinclude the following information:4.1.1 Quantity(number of gauge boards),4.1.2 Name of item(gauge board),4.1.3 Type(Type I or Type II as specified by purchaser),see3.1.1 and 3.1.2,4.1.4 Grade(Grade a or Grade b as specified by purchaser),see 3.2.1 and 3.2.2,4.1.5 Paint(as specified by purchaser),see 7.2,4.1.6 Drilling for gauge mounting(as specified bypurchaser),see 5.1.1,and4.1.7 ASTM designation and date of issue.5.Materials and Manufacture5.1 Unless otherwise specified the gauge boards shall bemanufactured from 11-gauge(manufacturers standard gauge)carbon steel for Grade a and 3 mm(18in.)thick aluminumalloy for Grade b.Materials shall be capable of being bent atroom temperature through 90 in any direction to an insideradius equal to its thickness without cracking on the outside ofthe bent portion.5.1.1 Unless otherwise specified,Type I gauge boards shallbe drilled for mounting both 89-mm(312-in.)and 114-mm(412-in.)dial size gauges and Type II gauge boards shall bedrilled for mounting both 152-mm(6-in.)and 216-mm(812-in.)dial size gauges.When specified by the purchaser,drillingshall be limited to one size gauge for either Type I or Type IIgauge boards(see 4.1.6).6.Dimensions and Permissible Variations6.1 The dimensions of the gauge board shall not vary bymore than 0.4 mm(6164in.)except as noted in Fig.1 and Fig.2.1This 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 April 1,2011.Published April 2011.Originallyapproved in 1981.Last previous edition approved in 2006 as F707/F707M 94(2006).DOI:10.1520/F0707_F0707M-94R11.2Available from American National Standards Institute(ANSI),25 W.43rd St.,4th Floor,New York,NY 10036,http:/www.ansi.org.3Available from Standardization Documents Order Desk,DODSSP,Bldg.4,SectionD,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 7.Workmanship,Finish and Appearance7.1 The gauge boards shall have a workmanlike finish freeof scale,burrs,cracks,and other defects affecting serviceabilityor appearance.7.2 If paint is not specified by the purchaser,Grade a gaugeboards shall be supplied with a coat of zinc chromate primer inaccordance with Federal Specification TT-P-645,Formula 84or equal(yellow)0.038-mm(1.5-mils)dry film thickness.Grade b gauge boards shall be supplied with one pretreatmentwash coat in accordance with Specification DOD-P-15328Formula 117 or equal(dark green)0.013-mm(0.5-mils)dryfilm thickness and one coat of zinc chromate primer inaccordance with Federal Specification TT-P-645 Formula 84Dor equal(dark green)0.013 mm(1.5-mils)dry film