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ASTM E675-02(2019)
Standard Specification for Interchangeable Taper-Ground Stopcocks And Stoppers
NORMA vydaná dňa 1.1.2019
Informácie o norme:
Označenie normy: ASTM E675-02(2019)
Dátum vydania normy: 1.1.2019
Kód tovaru: NS-911037
Počet strán: 11
Približná hmotnosť: 33 g (0.07 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Kategórie - podobné normy:
Anotácia textu normy ASTM E675-02(2019) :
The specification provides the standard dimensional requirements for obtaining, within practical limits, interchangeability in stopcocks and stoppers for ordinary laboratory and industrial applications. It solely covers ground surfaces dimensional interchangeability, and does not involve design characteristics of the item except where specified. Materials shall be tested and shall conform to the specified values of design, dimension, designation, tolerances, taper, and master gages; as stated in the requirements for Single Straight-Bore Taper-Ground Stopcocks, Single Oblique-Bore Stopcocks, Double Oblique-Bore (Three-Way) Stopcocks, T-Bore and 120-deg Bore Stopcocks, Taper-Ground Flask Stoppers, and Taper-Ground Bottle Stoppers.
Keywords:
ground, stopcocks, stoppers ,, ICS Number Code 71.040.20 (Laboratory ware and related apparatus)
Doplňujúce informácie
| 1. Scope | ||||||||||||||
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1.1 The specification provides standard dimensional requirements for obtaining, within practical limits, interchangeability in stopcocks and stoppers for ordinary laboratory and industrial applications. It covers dimensional interchangeability of the ground surfaces only and does not involve design characteristics of the item except where specified. Note 1: The dimensions pertaining to stopcocks and stoppers
were taken from the Commercial Standard CS 21 of the U.S.
Department of Commerce.
Note 2: Although glass is the most commonly used material for
stopcocks and stoppers, other materials may be used as specified.
Stopcocks and stoppers constructed from glass should conform to
Specifications E438 and
E671.
1.2 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. |
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| 2. Referenced Documents | ||||||||||||||
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