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ASTM F1970-99
Standard Specification for Special Engineered Fittings, Appurtenances or Valves for use in Poly (Vinyl Chloride) (PVC) or Chlorinated Poly (Vinyl Chloride) (CPVC) Systems
Automatische name übersetzung:
Standard-Spezifikation für Sonder Engineered Armaturen, Einbauten oder Ventile für den Einsatz in Poly (vinylchlorid ) (PVC) oder chloriertes Poly (vinylchlorid) ( PVC-C ) Systeme
NORM herausgegeben am 10.4.2001
Informationen über die Norm:
Bezeichnung normen: ASTM F1970-99
Anmerkung: UNGÜLTIG
Ausgabedatum normen: 10.4.2001
SKU: NS-52285
Zahl der Seiten: 6
Gewicht ca.: 18 g (0.04 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Die Annotation des Normtextes ASTM F1970-99 :
Keywords:
appurtenances, check valves, CPVC, elastomeric joints, elastomers, fittings, flanges, PVC, SE, special-engineered, unions, valves, ICS Number Code 23.040.45 (Plastics fittings)
Ergänzende Informationen
| 1. Scope | ||||||||||||||||||||||||||||||||||||||||||||||||||
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1.1 This specification covers fittings, appurtenances and valves which are to be used with pipe and tubing complying with Specifications D1785, D2241, D2846, F441 or F442, or other piping as specified by the fittings manufacturer. These products, such as unions, flanges or valves, are not included in the scope of existing ASTM specifications. This specification includes minimum requirements for testing, materials, dimensions, workmanship, marking, and in-plant quality control. 1.2 Fittings or appurtenances covered by this specification are generally either molded, fabricated, or assembled from molded or machined components. The materials used in components include rigid thermoplastics, thermoplastic elastomers, elastomerics, and metals. The body or main portion of the fitting, appurtenance or valve is typically PVC, CPVC, PE or PA (nylon). All products covered by this standard are intended to be used in PVC or CPVC plastic piping systems, or as a transition from these to metal systems. 1.3 The application of these products to gas service is beyond the scope of this specification. 1.4 Fittings which rely on heat fusion welding for connection to the piping system are outside the scope of this specification. 1.5 Check valves (including foot valves) covered by this specification shall not be considered backflow prevention devices and shall not be used for the protection of a potable water supply. For definitions and requirements of backflow prevention devices, consult model plumbing codes and ASSE. 1.6 Due to the complex and installation-specific concerns surrounding chemical resistance and corrosion, this specification does not address the compatibility of the products with all possible end-use environments. Additional testing specific to the end-use environment is recommended if the system is conveying liquids other than potable water. 1.7 The values stated in inch-pound units are to be regarded as the standard. The SI units given in parentheses are given for information only. 1.8 The following safety caveat applies only to the test methods and in-plant quality control portions, section 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. |
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| 2. Referenced Documents | ||||||||||||||||||||||||||||||||||||||||||||||||||
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