ASTM C585-2010 Standard Practice for Inner and Outer Diameters of Thermal Insulation for Nominal Sizes of Pipe and Tubing《公称尺寸管道和管件用绝热层的内径和外径标准实施规程》.pdf
《ASTM C585-2010 Standard Practice for Inner and Outer Diameters of Thermal Insulation for Nominal Sizes of Pipe and Tubing《公称尺寸管道和管件用绝热层的内径和外径标准实施规程》.pdf》由会员分享,可在线阅读,更多相关《ASTM C585-2010 Standard Practice for Inner and Outer Diameters of Thermal Insulation for Nominal Sizes of Pipe and Tubing《公称尺寸管道和管件用绝热层的内径和外径标准实施规程》.pdf(11页珍藏版)》请在麦多课文档分享上搜索。
1、Designation: C585 10Standard Practice forInner and Outer Diameters of Thermal Insulation forNominal Sizes of Pipe and Tubing1This standard is issued under the fixed designation C585; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision,
2、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 practice is intended as a dimensional standard forpreformed thermal insulation for pipes and tubing.1
3、.2 This practice covers insulation supplied in cylindricalsections and lists recommended single layer inner and outerdiameters of insulation having nominal wall thicknesses from12 to 5 in. (13 to 127 mm) to fit over standard sizes of pipe andtubing.1.3 The values stated in inch-pound units are to be
4、 regardedas the standard. The values stated in SI units are provided forinformation only.1.4 This standard does not purport to address the safetyconcerns, if any, associated with its use. It is the responsibilityof the user of this standard to establish appropriate safety andhealth practices and det
5、ermine the applicability of regulatorylimitations prior to use.2. Referenced Documents2.1 ASTM Standards:2C168 Terminology Relating to Thermal InsulationC302 Test Method for Density and Dimensions of Pre-formed Pipe-Covering-Type Thermal Insulation3. Terminology3.1 DefinitionsDefinitions pertaining
6、to insulation are de-fined in Terminology C168.4. Significance and Use4.1 The purpose of this practice is to ensure satisfactory fiton standard sizes, to accommodate radial expansion of pipesand tubes which are heated after being insulated, and tominimize the number of insulation sizes and thickness
7、es to bemanufactured and stocked.4.2 While it is possible to manufacturer insulation to theserecommended dimensions, exercise care in attempting to nestlayers of different materials, or layers supplied by differentmanufacturers. Individual manufacturing processes will oper-ate at slightly different
8、tolerances. While the product will fit thepipe, it is possible that it will not readily nest as the outer layerbetween the different materials, or with a different manufac-turer, and possibly the same manufacturer. Exercise care todetermine these differences before specifying or orderingnesting size
9、s.4.3 The wide range of outer diameter dimensional toler-ances will prevent many pipe and tube insulations from nestingfor staggered joints or double layered applications, or bothunless specified when ordered from the manufacturer, distribu-tor, or fabricator.4.4 Dimensions in accordance with this p
10、ractice do notnecessarily permit application of one thickness of pipe insula-tion over another (Nesting or Simplified Dimensional System)to obtain total thicknesses greater than those manufactured assingle layer, or for multilayer application when desired.5. Summary of Practice5.1 This practice prov
11、ides for each pipe and tubing sizes theinner diameters with tolerances for calcium silicate, cellularfoam plastics, cellular glass, mineral fiber, and perlite pre-formed pipe and tubing insulation identified by Table 1 andTable 2.5.2 This practice provides for each pipe and tubing sizes theouter dia
12、meters for calcium silicate, cellular foam plastics,cellular glass, mineral fiber, and perlite preformed pipe andtubing insulation identified by Table 3, Table 4, Table 5 andTable 6.5.3 This practice provides for a range of pipe and tubingsizes the outer diameter tolerances for calcium silicate andp
13、erlite preformed pipe and tubing insulation identified by Table3a, Table 4a, Table 5a, and Table 6a.1This practice is under the jurisdiction of ASTM Committee C16 on ThermalInsulation and is the direct responsibility of Subcommittee C16.20 on HomogeneousInorganic Thermal Insulations.Current edition
14、approved May 1, 2010. Published June 2010. Originallyapproved in 1966 to replace C312 and C521. Last previous edition approved in 2009as C585 09. DOI: 10.1520/C058510.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual
15、Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.Fig. 1a Three Meaurement LocationsFig. 1b Diameter and Half-Diameter Measuremen
16、t LocationsFIG. 1 Inner Diameter Measurement LocationFig. 2a Three Measurement LocationsFig. 2b Diameter and Half-Diameter Measurement LocationsFIG. 2 Outer Diameter Measurement LocationFIG. 3 Hinged Section Measurement LocationC585 1025.4 This practice provides for a range of pipe and tubingsizes t
17、he outer diameters tolerances for cellular foam plastics,cellular glass, and mineral fiber, preformed pipe and tubinginsulations identified by Table 3b, Table 4b, Table 5b and Table6b.5.5 This practice provides for each pipe and tubing sizes theinner and outer diameters for flexible elastomeric cell
18、ular andpolyolefin preformed pipe and tubing insulation identified byTable 7, Table 8, Table 9, and Table 10.5.6 This practice provides for a range of pipe and tubingsizes the inner and outer diameter tolerances for flexibleelastomeric and polyolefin cellular preformed pipe and tubinginsulation iden
19、tified by Table 7a, Table 8a, Table 9a, and Table10a.6. Procedure6.1 Measurement:6.1.1 Measurement of inner and outer diameters shall bemade to the nearest132 in. (0.8 mm) using a steel tape or rule.6.1.1.1 Uneven Insulation Inner addthe applicable plus (+) outer diameter tolerance and twice the thi
20、ckness ofthe jacketing to the insulation outer diameter number; multiply the addedtotal times p (3.14159) to arrive at the maximum circumference; add thenecessary longitudinal overlap dimension to the maximum circumference;and the calculated answer will be the stretch-out requirement for cuttingthe
21、outer jacketing to be applied over / around the pipe or tubinginsulations OD.NOTE 2NPS (Nominal Pipe Size) is a dimensionless designator thathas been substituted in the customary units section for the previous terminch nominal pipe size.NOTE 3NTS (Nominal Tube Size) is a dimensionless designator tha
22、thas been substituted in the customary units section for the previous terminch nominal tube size.NOTE 4DN (Diameter Nominal) is a dimensionless designator thathas been substituted in the customary units section for the previous termSI (metric) system to describe millimeter nominal pipe or tube size.
23、7. Keywords7.1 pipe thermal insulation diameter; pipe thermal insula-tion dimension; thermal insulating materials-pipe; thermalinsulating materials-tubing; thermal insulation; tubing thermalinsulation diameter; tubing thermal insulation dimensionC585 103TABLE 1 Nominal Pipe Sizes with Inner Diameter
24、s and Tolerances forCalcium Silicate, Cellular Foam Plastics, Cellular Glass, Mineral Fiber, and Perlite Preformed InsulationCustomary and SI Units for Pipe InsulationNPSNote 2DNNote 4Outer Diameter Inner DiameterToleranceMinus Plusin. mm in. mm in. mm in. mm12 15 0.840 21.3 0.86 22 0 0 0.063 1.634
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