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ASTM F2929-13
Standard Specification for Crosslinked Polyethylene (PEX) Tubing of 0.070 in. Wall and Fittings for Radiant Heating Systems up to 75 psig
Automaticky přeložený název:
Standard Specification pro síťovaného polyetylenu (PEX) trubky, z ,070in. zdi a vybavení pro Sálavé topné systémy až do 75 MPa
NORMA vydána dne 1.5.2013
Informace o normě:
Označení normy: ASTM F2929-13
Poznámka: NEPLATNÁ
Datum vydání normy: 1.5.2013
Kód zboží: NS-54749
Počet stran: 9
Přibližná hmotnost: 27 g (0.06 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
Kategorie - podobné normy:
Trubky z plastické hmoty
Fitinky z plastické hmoty
Ústřední topení
Anotace textu normy ASTM F2929-13 :
Keywords:
0.070 in. wall, crosslinked polyethylene, hydrostatic stress, PEX, pipe, PPI, radiant heating, tubing, ICS Number Code 23.040.20 (Plastic pipes), 23.040.45 (Plastic fittings), 91.140.10 (Central heating systems)
Doplňující informace
| 1. Scope | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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1.1 This specification covers 0.070 in. wall thickness crosslinked polyethylene (PEX) tubing that is outside diameter controlled, and intended for non-potable radiant heating applications for pressures up to 75 psig in sizes 5/8 NTS (nominal tubing size) and 7/8 NTS. This specification also includes fittings that are specifically designed for this 0.070 in.-wall PEX tubing. Only 75-psig relief valves shall be used with this tubing. Included in this specification are requirements and test methods for material, workmanship, dimensions, burst pressure, hydrostatic sustained pressure, environmental stress cracking, stabilizer functionality, bent-tube hydrostatic pressure, excessive temperature and degree of crosslinking. Requirements for tubing markings are also given. This tubing does not have an oxygen diffusion barrier layer and shall not be used in systems that require a barrier layer. This tubing is not intended for field bending at temperatures above 120ºF (49ºC). 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 The following safety hazards
caveat pertains only to the test methods portion, Section
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