Current edition approved Nov. This stress is circumferential when internal hydrostatic water pressure is applied. This standard does not purport to address all of the safety concerns, if any, associated with its use.
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Test individually with water at the internal pressures given in Table 3, six specimens of pipe, each specimen at least ten times the nominal diameter in length, but not adtm than 10 in.
A specific precautionary statement is given in Note 6. Methods of marking are also given. All tolerances are on the plus side of the minimum requirement. Historical Version s - view previous versions wstm standard.
These pipes are intended for use with the distribution of pressurized liquids only, which are chemically compatible with the piping materials. Please first verify your email before subscribing to alerts.
We need your help! Government uses or endorses the products described in this specification. This hydrostatic design stress is psi [ NOTE 2—The sustained asym burst pressure test requirements, and the pressure ratings in the appendix, are calculated from stress values obtained from tests made on pipe 2 in.
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These notes and footnotes excluding those in tables and figures shall not be considered as requirements of the specification. This specification covers chlorinated poly vinyl chloride CPVC pipes made in T441 40 and 80 sizes and pressure-rated for water.
This standard does not purport to address all of the safety concerns, if any, associated with its use.
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. Note 2—The sustained and burst pressure test requirements, and the pressure ratings in the appendix, are t441 from stress values obtained from tests made on pipe 2 in. Combining values from the two systems may result in non-conformance with the standard. Schedule 80 psi [kPa] [24 ] [20 ] [18 ] [15 ] [13 ] [11 ] xstm ] [8 ] [9 ] [8 ] [7 ] [7 ] [6 ] [6 ] [5 ] [5 ] [5 ] aztm ] [4 ] The fiber stress used to derive these test pressures is psi [ These pressure ratings apply only to unthreaded pipe.
Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. These notes and footnotes excluding those in tables and figures shall not be considered as requirements of the specification. Under such agreement, minimum requirements shall not be lowered, changed, or modified, nor aastm specification limits be changed. Retest and Rejection 9.
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Experience of the industry indicates that CPVC plastic pipe meeting the requirements of this specification gives satisfactory service under normal conditions for a long period at these pressure ratings. 4f41 specific precautionary statement is given in Note 6.
Please fill asgm form, we will try to respond as soon as possible. The central section is that portion of pipe which is at least one pipe diameter away from an end closure. Test three specimens at a single pressure that will result in failures at or below 0. Methods of marking are also given.
Current edition approved Nov. When the indicated pressure rating is lower than that calculated in accordance with 8. All the data available to date on CPVC pipe materials made in the United States exhibit a straight-line plot under these plotting conditions. Within the text, the SI units are shown in brackets. Combining values from the two systems may result in non-conformance with the standard.
Included here are the criteria for classifying CPVC plastic pipe materials and CPVC plastic pipes, a system of nomenclature for CPVC plastic pipes, and requirements and test methods for materials, workmanship, dimensions, sustained pressure, burst pressure, accelerated regression, flattening resistance, and extrusion quality.