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1 Designation: D785 2 An American National Standard Standard Specification for Poly(Vinyl Chloride) (PVC) Plastic Pipe, Schedules 40, 80, and 20 This standard is issued under the fixed designation D785; the number immediately following the designation indicates the year of 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 elon ( ) indicates an editorial change since the last revision or reapproval. This standard has been approved for use by agencies of the Department of Defense.. Scope*. This specification covers poly(vinyl chloride) (PVC) pipe made in Schedule 40, 80, and 20 sizes and pressure-rated for water (see Appendix X). Included are criteria for classifying PVC plastic pipe materials and PVC plastic pipe, a system of nomenclature for PVC plastic pipe, and requirements and test methods for materials, workmanship, dimensions, sustained pressure, burst pressure, flattening, and extrusion quality. Methods of marking are also given..2 The products covered by this specification are intended for use with the distribution of pressurized liquids only, which are chemically compatible with the piping materials. Due to inherent hazards associated with testing components and systems with compressed air or other compressed gases some manufacturers do not allow pneumatic testing of their products. Consult with specific product/component manufacturers for their specific testing procedures prior to pneumatic testing. NOTE Pressurized (compressed) air or other compressed gases contain large amounts of stored energy which present serious saftey hazards should a system fail for any reason. NOTE 2 This standard specifies dimensional, performance and test requirements for plumbing and fluid handling applications, but does not address venting of combustion gases.. The text of this specification references notes, footnotes, and appendixes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the specification..4 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard..5 The following safety hazards caveat pertains only to the test methods portion, Section 8, of this specification: This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. A specific precautionary statement is given in Note 9. NOTE CPVC plastic pipes, Schedules 40 and 80, which were formerly included in this specification, are now covered by Specification F44/F44M. NOTE 4 The sustained and burst pressure test requirements, and the pressure ratings in the Appendix X, are calculated from stress values obtained from tests made on pipe 4 (00 mm) and smaller. However, tests conducted on pipe as large as 24- (600-mm) diameter have shown these stress values to be valid for larger diameter PVC pipe. NOTE 5 PVC pipe made to this specification is often belled for use as line pipe. For details of the solvent cement bell, see Specification D2672 and for details of belled elastomeric joints, see Specifications D9 and D Referenced Documents 2. ASTM Standards: 2 D68 Practice for Conditioning Plastics for Testing D598 Test Method for Time-to-Failure of Plastic Pipe Under Constant Internal Pressure D599 Test Method for Resistance to Short-Time Hydraulic Pressure of Plastic Pipe, Tubing, and Fittings D600 Terminology for Abbreviated Terms Relating to Plastics D784 Specification for Rigid Poly(Vinyl Chloride) (PVC) Compounds and Chlorinated Poly(Vinyl Chloride) (CPVC) Compounds D222 Test Method for Determining Dimensions of Thermoplastic Pipe and Fittings D252 Test Method for Adequacy of Fusion of Extruded Poly(Vinyl Chloride) (PVC) Pipe and Molded Fittings by Acetone Immersion D2672 Specification for Joints for IPS PVC Pipe Using Solvent Cement D287 Test Method for Obtaining Hydrostatic Design Basis for Thermoplastic Pipe Materials or Pressure Design Basis This specification is under the jurisdiction of ASTM Committee F7 on Plastic Piping Systems and is the direct responsibility of Subcommittee F7.25 on Vinyl Based Pipe. Current edition approved April, 202. Published May 202. Originally approved in 960. Last previous edition approved in 2006 as D DOI: 0.520/D For referenced ASTM standards, visit the ASTM website, or contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Standards volume information, refer to the standard s Document Summary page on the ASTM website. *A Summary of Changes section appears at the end of this standard. Copyright ASTM International, 00 Barr Harbor Drive, PO Box C700, West Conshohocken, PA , United States.

2 for Thermoplastic Pipe Products D9 Specification for Joints for Plastic Pressure Pipes Using Flexible Elastomeric Seals D22 Specification for Joints for Drain and Sewer Plastic Pipes Using Flexible Elastomeric Seals F42 Terminology Relating to Plastic Piping Systems F44/F44M Specification for Chlorinated Poly(Vinyl Chloride) (CPVC) Plastic Pipe, Schedules 40 and Federal Standard: Fed. Std. No. 2 Marking for Shipment (Civil Agencies) 2. Military Standard: MIL-STD-29 Marking for Shipment and Storage 2.4 NSF Standards: Standard No. 4 for Plastic Piping Components and Related Materials 4 Standard No. 6 for Drinking Water System Components Health Effects 4. Terminology. Definitions: Definitions are in accordance with Terminology F42 and abbreviations are in accordance with Terminology D600, unless otherwise specified. The abbreviation for poly(vinyl chloride) plastic is PVC..2 Definitions of Terms Specific to This Standard:.2. hydrostatic design stress the estimated maximum tensile stress the material is capable of withstanding continuously with a high degree of certainty that failure of the pipe will not occur. This stress is circumferential when internal hydrostatic water pressure is applied..2.2 pressure rating (PR) the estimated maximum water pressure the pipe is capable of withstanding continuously with a high degree of certainty that failure of the pipe will not occur..2. relation between dimensions, design stress, and pressure rating the following expression, commonly known as the ISO equation, 5 is used in this specification to relate dimensions, hydrostatic design stress, and pressure rating: 2S/P 5 ~D 0 /t! where: S = hydrostatic design stress, (or ), P = pressure rating, (or ), D 0 = average outside diameter, (or mm), and t = minimum wall thickness, (or mm)..2.4 standard thermoplastic pipe materials designation code the pipe materials designation code shall consist of the abbreviation PVC for the type of plastic, followed by the ASTM type and grade in Arabic numerals and the design stress in units of 00 (0.7 ) with any decimal figures dropped. When the design stress code contains less than two figures, a cipher shall be used before the number. Thus a complete material code shall consist of three letters and four figures for PVC plastic pipe materials (see Section 5). Available from Standardization Documents Order Desk, DODSSP, Bldg. 4, Section D, 700 Robbins Ave., Philadelphia, PA , dodssp.daps.dla.mil. 4 Available from NSF International, P.O. Box 040, 789 N. Dixboro Rd., Ann Arbor, MI , 5 ISO R6-960, Pipes of Plastics Materials for the Transport of Fluids (Outside Diameters and Nominal Pressures) Part, Metric Series. D Classification 4. General This specification covers PVC pipe made to and marked with one of six type/grade/design stress designations (see X.2) in Schedule 40, 80, and 20 wall sizes. 4.2 Hydrostatic Design Stresses This specification covers pipe made from PVC plastics as defined by four hydrostatic design stresses which have been developed on the basis of long-term tests (Appendix X). 5. Materials and Manufacture 5. General Poly(vinyl chloride) plastics used to make pipe meeting the requirements of this specification are categorized by means of two criteria, namely, () short-term strength tests and (2) long-term strength tests. NOTE 6 The PVC pipe intended for use in the transport of potable water should be evaluated and certified as safe for this purpose by a testing agency acceptable to the local health authority. The evaluation should be in accordance with requirements for chemical extraction, taste, and odors that are no less restrictive than those included in NSF Standard No. 4. The seal or mark of the laboratory making the evaluation should be included on the pipe. See pipe marking requirement for reclaimed water systems. 5.2 Basic Materials This specification covers pipe made from PVC plastics having certain physical and chemical properties as described in Specification D Compound The PVC compounds used for this pipe shall equal or exceed the following classes described in Specification D784; PVC 2454, or Rework Material The manufacturer shall use only his own clean rework pipe material and the pipe produced shall meet all the requirements of this specification. 6. Requirements 6. Dimensions and Tolerances: 6.. Dimensions and tolerances shall be as shown in Table and Table 2 when measured in accordance with Test Method D222. The tolerances for out-of-roundness shall apply only to pipe prior to shipment. 6.2 Sustained Pressure The pipe shall not fail, balloon, burst, or weep as defined in Test Method D598, at the test pressures given in Tables -5 when tested in accordance with Accelerated Regression Test The accelerated regression test shall be used in place of both the sustained and burst pressure tests, at the option of the manufacturer. The test shall be conducted in accordance with The pipe shall demonstrate a hydrostatic design basis projection at the h intercept that meets the hydrostatic design basis category requirement (see Tables -5 and Test Method D287) for the PVC material used in its manufacture. (Example: PVC 20 pipe must have a minimum h projection of 80 (26.40 ) and 85 % lower confidence limit (LCL). 6. Burst Pressure The minimum burst pressures for PVC plastic pipe shall be as given in Table 6, when determined in accordance with Test Method D599. NOTE 7 Times greater than 60 s may be needed to bring large size specimens to burst pressure. The test is more difficult to pass using greater pressurizing times.

3 Nominal Pipe Size Nominal Pipe Size TABLE Outside Diameters and Tolerances for PVC Plastic Pipe Schedules 40, 80, and 20, (mm) Outside Diameter 6.4 Flattening There shall be no evidence of splitting, cracking, or breaking when the pipe is tested in accordance with 8.6. Average Tolerances Maximum Out-of-Roundness (maximum minus minimum diameter) Schedule 40 sizes 2 and over; Schedule 80 sizes 8 and over Schedule 40 sizes and less; Schedule 80 sizes 6 and less; Schedule 20 sizes all (0.29) (60.0) (0.4) (.72) (60.0) (0.4) (7.4) (60.0) (0.4) (2.4) (60.0) (0.4) (26.67) (60.0) (0.5).5 (.40) (60.) (0.5) (42.6) (60.) (0.6) (48.26) (60.5) (0.6) (60.2) (60.5) (0.6) (7.02) (60.8) (0.76).500 (88.90) (60.20) (0.76) (0.60) (60.20) 0.00 (2.54) 0.00 (0.76) (4.0) (60.2) 0.00 (2.54) 0.00 (0.76) (4.0) (60.25) 0.00 (2.54) (.52) (68.28) 60.0 (60.28) 0.00 (2.54) (.78) (29.08) (60.8) 0.50 (.8) (2.29) (27.05) (60.8) 0.50 (.8) 0.00 (2.54) (2.85) (60.8) 0.50 (.8) 0.20 (.05) ( (60.8) (5.08) (406.40) (60.48) 0.20 (8.) (457.20) (60.48) 0.60 (9.4) (508.00) (60.58) (0.2) (609.60) 60.0 (60.79) (2.2)... TABLE 2 D785 2 Wall Thicknesses and Tolerances for PVC Plastic Pipe, Schedules 40, 80, and 20, A,B (mm) Wall Thickness A Schedule 40 Schedule 80 Schedule 20 Minimum Tolerance Minimum Tolerance Minimum Tolerance (.7) (+0.5) (2.4) (+0.5) (2.24) (+0.5) 0.9 (.02) (+0.5) (2.) (+0.5) 0.26 (.20) (+0.5) (2.77) (+0.5) 0.47 (.7) (+0.5) 0.70 (4.2) (+0.5) 4 0. (2.87) (+0.5) 0.54 (.9) (+0.5) 0.70 (4.2) (+0.5) 0. (.8) (+0.5) 0.79 (4.55) (+0.5) (5.08) (+0.6) (.56) (+0.5) 0.9 (4.85) (+0.58) 0.25 (5.46) (+0.66) (.68) (+0.5) (5.08) (+0.6) (5.72) (+0.68) (.9) (+0.5) 0.28 (5.54) (+0.66) (6.5) (+0.76) (5.6) (+0.6) (7.0) +0.0 (+0.84) 0.00 (7.62) (+0.9) 0.26 (5.49) (+0.66) 0.00 (7.62) (+0.9) 0.50 (8.89) (+.07) (5.74) (+0.68) 0.8 (8.08) (+0.96) 0.50 (8.89) (+.07) (6.02) (+0.7) 0.7 (8.56) (+.02) 0.47 (.0) (+.2) (6.55) +0.0 (+0.79) 0.75 (9.52) (+.4) (2.70) (+.52) (7.) (+0.86) 0.42 (0.97) (+.2) (4.27) (+.70) (8.8) (+0.99) (2.70) (+.52) 0.78 (8.24) (+2.8) (9.27) (+.2) 0.59 (5.06) (+.80) 0.84 (2.4) +0.0 (+2.56) (0.) (+.24) (7.45) (+2.08).000 (25.40) (+.05) (.0) (+.5) (9.05) (+2.29) (2.70) (+.52) 0.84 (2.4) +0.0 (+2.57) (4.27) (+.70) 0.97 (2.80) +0.2 (+2.84) (5.06) (+.80).0 (26.9) (+.5) (7.45) (+2.08).28 (0.94) (+.7) A The minimum is the lowest wall thickness of the pipe at any cross section. The maximum permitted wall thickness, at any cross section, is the minimum wall thickness plus the stated tolerance. All tolerances are on the plus side of the minimum requirement. B These dimensions conform to nominal IPS dimensions, with the exception that Schedule 20 wall thickness for pipe sizes 2 to 2 (2.5 to 87.5 mm), inclusive, are special PVC plastic pipe sizes. 6.5 Extrusion Quality The pipe shall not flake or disintegrate when tested in accordance with Test Method D252.

4 TABLE Sustained Pressure Test Conditions for Water at 7 F (2 C) for PVC Plastic Pipe, Schedule 40 Nominal Pipe Size PVC20 PVC220 PVC220 Pressure Required for Test A PVC26 PVC22 PVC A The fiber stresses used to derive these test pressures are as follows: PVC PVC PVC PVC PVC PVC D785 2 TABLE 4 Sustained Pressure Test Conditions for Water at 7 F (2 C) for PVC Plastic Pipe, Schedule 80 Nominal Pipe Size PVC20 PVC220 PVC220 Pressure Required for Test A PVC26 PVC22 PVC A The fiber stresses used to derive these test pressures are as follows: PVC PVC PVC PVC PVC PVC Workmanship, Finish, and Appearance 7. The pipe shall be homogeneous throughout and free of visible cracks, holes, foreign inclusions, or other defects. The pipe shall be as uniform as commercially practicable in color, opacity, density, and other physical properties. NOTE 8 Color and transparency or opacity should be specified in the contract or purchase order. 8. Test Methods 8. Conditioning Condition the test specimens at F (2 6 2 C) and % relative humidity for not less

5 Nominal Pipe Size TABLE 5 Sustained Pressure Test Conditions for Water at 7 F (2 C) for PVC Plastic Pipe, Schedule 20 PVC20 PVC220 PVC220 than 40 h prior to test in accordance with Procedure A of Practice D68, for those tests where conditioning is required. 8.2 Test Conditions Conduct tests in the standard laboratory atmosphere of F (2 6 2 C) and % relative humidity, unless otherwise specified in the test methods or in this specification. 8. Sampling The selection of the sample or samples of pipe shall be as agreed upon by the purchaser and seller. In case of no prior agreement, any sample selected by the testing laboratory shall be deemed adequate. 8.. Test Specimens Not less than 50 % of the test specimens required for any pressure test shall have at least a part of the marking in their central sections. The central section is that portion of pipe which is at least one pipe diameter away from an end closure. 8.4 Sustained Pressure Test Select the test specimens at random. Test individually with water at the internal pressures given in Tables -5, six specimens of pipe, each specimen at least ten times the nominal diameter in length, but not less than 0 (250 mm) or more than ft ( m) between end closures D785 2 Pressure Required for Test A PVC26 PVC22 PVC A The fiber stresses used to derive these test pressures are as follows: PVC PVC PVC PVC PVC PVC and bearing the permanent marking on the pipe. Maintain the specimens at the pressure indicated for a period of 000 h. Hold the pressure as closely as possible, but within 60 (670 kpa). Condition the specimens at the test temperature of 7.4 F (2 C) to within.6 F (62 C). Test in accordance with Test Method D598, except maintain the pressure at the values given in Tables -5 for 000 h. Failure of two of the six specimens tested shall constitute failure in the test. Failure of one of the six specimens tested in retest shall constitute failure in the test. Evidence of failure of the pipe shall be as defined in Test Method D Accelerated Regression Test Test in accordance with procedures in Test Method D598, using either free end or restrained end fittings. A minimum of six samples shall be tested. Test three specimens at a single pressure that will result in failures at or below 0.0 h. Test an additional three specimens at a single pressure that will result in failures at about 200 h. Generating additional data points to improve the LTHS or LCL, or both, is acceptable. No points shall be excluded unless an obvious defect is detected in the failure area

6 D785 2 Nominal Pipe Size TABLE 6 Burst Pressure Requirements for Water at 7 F (2 C) for PVC Plastic Pipe, Schedules 40, 80, and 20 PVC20 PVC220 PVC220 Min Burst Pressures A Schedule 40 Schedule 80 Schedule 20 PVC22 PVC26 PVC20 PVC20 PVC220 PVC220 PVC22 PVC26 PVC20 PVC20 PVC220 PVC220 PVC22 PVC26 PVC A The fiber stresses used to derive these test pressures are as follows: PVC PVC PVC PVC PVC PVC of the test sample, or there was a malfunction of the equipment. Characterize the data using the least squares regression described in Test Method D Burst Pressure Determine the minimum burst pressure with at least five specimens in accordance with Test Method D599. The time of testing of each specimen shall be between 60 and 70 s. 8.6 Flattening Flatten three specimens of the pipe each at least 2 (50 mm) long, between parallel plates in a suitable press until the distance between the plates is 40 % of the outside diameter of the pipe or the walls of the pipe touch, whichever occurs first. The rate of loading shall be uniform and such that the compression is completed within 2 to 5 m On

7 removal of the load examine the specimens for evidence of splitting, cracking, or breaking. 9. Retest and Rejection 9. If the results of any test(s) do not meet the requirements of this specification, the test(s) shall be conducted again only by agreement between the purchaser and seller. Under such agreement, minimum requirements shall not be lowered, changed, or modified, nor shall specification limits be changed. If upon retest, failure occurs, the quantity of product represented by the test(s) does not meet the requirements of this specification. 0. Product Marking 0. Quality of Marking The marking shall be applied to the pipe in such a manner that it remains legible (easily read) after installation and inspection. 0.2 Content of Marking: 0.2. Marking on the pipe shall include the following, spaced at intervals of not more than 5 ft (.5 m): Nominal pipe size (for example, 2 (50 mm)), Type of plastic pipe material in accordance with the designation code prescribed in.2.4, for example, PVC20, Schedule (40, 80, or 20, whichever is applicable) and the pressure rating in pounds per square inch (megapascals) for water at 7 F (2 C) shown as the number followed by (for example, 200 (.4 )). When the indicated pressure rating is lower than that calculated in accordance with SUPPLEMENTARY REQUIREMENTS.2. (see Appendix X), this shall be indicated by placing a star after the pressure rating, ASTM designation D785, with which the pipe complies, Manufacturer s name (or trademark), Production code with which the manufacturer can trace the year, month, day, shift, plant and extruder of manufacture for this product, and Pipe intended for the transport of potable water shall also include the seal or mark of the laboratory making the evaluation for this purpose, spaced at intervals specified by the laboratory. NOTE 9 Manufacturers using the seal or mark of a laboratory must obtain prior authorization from the laboratory concerned. NOTE 0 It is common practice to dual mark Schedule 40 piping for potable water and DWV usage in which compliance with each applicable standard is met.. Quality Assurance. When the product is marked with this designation, D785, the manufacturer affirms that the product was manufactured, inspected, sampled, and tested in accordance with this specification and has been found to meet the requirements of this specification. 2. Keywords 2. pressure pipe; PVC pipe; Schedule 40 pipe; Schedule 80 pipe; Schedule 20 pipe This requirement applies whenever a regulatory authority or user calls for product to be used to convey or to be in contact with potable water. S. Potable Water Requirement Products intended for contact with potable water shall be evaluated, tested, and certified for conformance with ANSI/NSF Standard No. 6 or the health effects portion of NSF Standard No. 4 by an acceptable certifying organization when required by the regulatory authority having jurisdiction. This requirement applies only to pipe to be used in systems that have not established other provisions for identification. S2.Pipe Marking Requirement for Reclaimed Water Systems Color identification of pipe shall be by () use of purple (violet) PVC material or (2) by use of continuous purple D785 2 stripes printed lengthwise on opposite sides of the pipe. The pipe shall be marked RECLAIMED WATER at intervals of 5 ft. or less.

8 D785 2 GOVERNMENT/MILITARY PROCUREMENT These requirements apply only to federal/military procurement, not domestic sales or transfers. S. Pipe for Reclaimed-Water System Pipe used in these systems shall be purple (violet) in color and it shall be marked Reclaimed Water. S2. Responsibility for Inspection Unless otherwise specified in the contract or purchase order, the producer is responsible for the performance of all inspection and test requirements specified here The producer may use his own or any other suitable facilities for the performance of the inspection and test requirements specified herein, unless the purchaser disapproves. The purchaser shall have the right to perform any of the inspections and tests set forth in this specification where such inspections are deemed necessary to ensure that material conforms to prescribed requirements. NOTE S2. In U.S. Federal contracts, the contractor is responsible for inspection. X. The hydrostatic design stresses recommended by the Plastics Pipe Institute are used to pressure rate PVC plastic pipe. These hydrostatic design stresses are 2000 (4 ), 600 ( ), 250 (9 ), and 000 (7 ) for water at 7 F (2 C). These hydrostatic design stresses apply only to pipe meeting all the requirements of this specification. X.2 Six PVC pipe materials are included based on the requirements of Specification D784 and the PPIrecommended hydrostatic design stresses as follows: X.2. Type I, Grade (2454-B), with a hydrostatic design stress of 2000 (4 ), designated as PVC20. X.2.2 Type I, Grade 2 (2454-C), with a hydrostatic design stress of 2000 (4 ), designated as PVC220. X.2. Type II, Grade (4-D), with a hydrostatic design stress of 2000 (4 ), designated as PVC220. X.2.4 Type II, Grade (4-D), with a hydrostatic design stress of 600 (.2 ), designated as PVC26. X.2.5 Type II, Grade (4-D), with a hydrostatic design stress of 250 (8.7 ), designated as PVC22. X.2.6 Type II, Grade (4-D), with a hydrostatic design stress of 000 (7.0 ), designated as PVC20. X. The standard method for obtaining hydrostatic basis for thermoplastic pipe materials is Test Method D287. Additional information regarding the test method and other criteria APPENDIX (Nonmandatory Information) X. SOURCE OF HYDROSTATIC DESIGN STRESSES S. Packaging and Marking for U.S. Government Procurement: S. Packaging Unless otherwise specified in the contract, the materials shall be packaged in accordance with the supplier s standard practice in a manner ensuring arrival at destination in satisfactory condition and which will be acceptable to the carrier at lowest rates. Containers and packing shall comply with Uniform Freight Classification rules or National Motor Freight Classification rules. S.2 Marking Marking for shipment shall be in accordance with Fed. Std. No. 2 for civil agencies and MIL-STD- 29 for military agencies. NOTE S. The inclusion of U.S. Government procurement requirements should not be construed as an indication that the U.S. Government uses or endorses the products described in this specification. used in developing these hydrostatic design stresses may be obtained from the Plastics Pipe Institute, a division of The Society of the Plastics Industry, 55 Lexington Ave., New York, NY 007. These hydrostatic design stresses may not be suitable for materials that show a wide departure from a straight-line plot of log stress versus log time to failure. All the data available to date on PVC pipe materials made in the United States exhibit a straight-line plot under these plotting conditions. X.4 The pipe is rated for use with water at 7 F (2 C) at the maximum internal pressures shown in Tables X.-X.. Lower pressure ratings than those calculated in accordance with.2. may be recommended, at the option of the pipe manufacturer, in which case the SDR shall be included in the marking. Experience of the industry indicates that PVC plastic pipe meeting the requirements of this specification gives satisfactory service under normal conditions for a long period at these pressure ratings. The sustained pressure requirements are related to these ratings through the slopes of the strengthtime plots of these materials in pipe form. X.5 The hydrostatic design stresses recommended by the Plastics Pipe Institute are based on tests made on pipe ranging in size from 2 to 2 2 (2.5 to 6.5 mm).

9 Nominal Pipe Size TABLE X. Water Pressure Ratings at 7 F (2 C) for Schedule 40 PVC Plastic Pipe PVC20 B PVC220 PVC220 D785 2 Pressure Ratings A PVC26 PVC22 B PVC20 B A These pressure ratings apply only to unthreaded pipe. The industry does not recommend threading PVC plastic pipe in Schedule 40 dimensions in nominal pipe sizes 6 (50 mm) and smaller. B See Appendix X for code designation.

10 D785 2 Nominal Pipe Size, TABLE X.2 Water Pressure Ratings at 7 F (2 C) for Schedule 80 PVC Plastic Pipe PVC20, PVC220, PVC220 PVC26 PVC22 PVC20 Unthreaded Threaded Unthreaded Threaded Unthreaded Threaded Unthreaded Threaded

11 Nominal Pipe Size, TABLE X. Water Pressure Ratings at 7 F (2 C) for Schedule 20 PVC Plastic Pipe PVC20, PVC220, PVC220 SUMMARY OF CHANGES Committee F7 has identified the location of selected changes to this standard since the last issue (F785 06) that may impact the use of this standard. () Increased relative humidity tolerance in sections 8. and 8.2 per Practice D68. D785 2 ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, are entirely their own responsibility. This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years and if not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standards and should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you should make your views known to the ASTM Committee on Standards, at the address shown below. PVC26 PVC22 PVC20 Unthreaded Threaded Unthreaded Threaded Unthreaded Threaded Unthreaded Threaded This standard is copyrighted by ASTM International, 00 Barr Harbor Drive, PO Box C700, West Conshohocken, PA , United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the above address or at (phone), (fax), or service@astm.org ( ); or through the ASTM website ( Permission rights to photocopy the standard may also be secured from the ASTM website ( COPYRIGHT/).