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ASTM F2785-10a
Standard Specification for Polyamide 12 Gas Pressure Pipe, Tubing, and Fittings (Includes all amendments And changes 9/17/2012).
Automaticky přeložený název:
Standardní specifikace pro polyamid 12 tlaku plynu potrubí , hadice, a kování
NORMA vydána dne 1.12.2010
Informace o normě:
Označení normy: ASTM F2785-10a
Poznámka: NEPLATNÁ
Datum vydání normy: 1.12.2010
Kód zboží: NS-54531
Počet stran: 13
Přibližná hmotnost: 39 g (0.09 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
Anotace textu normy ASTM F2785-10a :
Keywords:
Fittings, Gas pipelines, Gas pressure, Natural gas service systems, Polyamide 12 (PA12), Tubing, ICS Number Code 23.040.20 (Plastic pipes), 23.040.45 (Plastic fittings)
Doplňující informace
| 1. Scope | ||||||||||||||||||||||||||||||||||||||||||||||||||||
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1.1 This specification covers requirements and test methods for the characterization of polyamide 12 pipe, tubing, and fittings for use in fuel gas mains and services for direct burial and reliner applications. The pipe and fittings covered by this specification are intended for use in the distribution of natural gas. 1.1.1 This specification does not cover threaded pipe. Generic fusion guidelines are given in Appendix X1. Design considerations are discussed in Appendix X2. In-plant quality control programs are specified in Annex A1. 1.2 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. 1.3 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. 1.4 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. Note 1—Pipe and fittings utilizing heat fusion joining techniques produced from compounds meeting the requirements of Group 3, Class 2, and Grade 3 (PA323 or PA11) are intended for use with pipe manufactured from compounds meeting the requirements of Group 3, class 2 and Grade 3. Pipe and fittings utilizing heat fusion joining techniques produced from compounds meeting the requirements of Group 4, Class 2 and Grade 3 (PA 423 or PA12) are intended for use with pipe manufactured from compounds meeting the requirements of Group 4, Class 2 and Grade 3. As per the recommendations of the respective resin manufacturers, no cross fusion between PA 323 (PA11) and PA 423 (PA12) compounds is permitted. |
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| 2. Referenced Documents | ||||||||||||||||||||||||||||||||||||||||||||||||||||
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