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Standard Specification for Polyethylene Upright Storage Tanks
Automatische name übersetzung:
Standard-Spezifikation für Polyethylen Aufrechte Lagertanks
NORM herausgegeben am 1.10.2013
Bezeichnung normen: ASTM D1998-13
Anmerkung: UNGÜLTIG
Ausgabedatum normen: 1.10.2013
SKU: NS-18978
Zahl der Seiten: 8
Gewicht ca.: 24 g (0.05 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Keywords:
polyethylene, tanks, upright, ICS Number Code 23.020.10 (Stationary containers and tanks)
1. Scope | ||||||||||||||||||||||||
1.1 This specification covers flat-bottom, upright, cylindrical tanks molded in one-piece seamless construction by rotational molding. The tanks are molded from polyethylene for above ground, vertical installation and are capable of containing aggressive chemicals at atmospheric pressure. Included are requirements for materials, properties, design, construction, dimensions, tolerances, workmanship and appearance. Tank capacities are from 1900 L (500 gal) up. 1.2 This specification does not cover the design of vessels intended for use at pressures other than atmospheric pressure. Furthermore, this specification does not cover the design of portable tanks. It is also not for vessels intended for use with liquids heated above their flash points, or temperatures above 66°C (150°F) for Type I tanks and 60°C (140°F) for Type II tanks for continuous service. NFPA Standards 30 and 31 shall be consulted for installations that are subject to the requirements of these standards. 1.3 Special design considerations not covered in this specification shall be given to vessels subject to superimposed mechanical forces, such as seismic forces, wind load or agitation; to vessels subject to service temperature in excess of 23°C (73.4°F); and vessels subject to superimposed pressure exceeding 25.4 cm (10 in.) of water or 2.5 × 10−3 MPa (0.36 psi). 1.4 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only. 1.5 The following
precautionary caveat pertains only to the test methods portion,
Section 11, 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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