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ASTM E 911 : 1998 : R2004

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Standard Specification for Glass Stopcocks with Polytetrafluoroethylene (PTFE) Plugs
Available format(s)

Hardcopy , PDF

Superseded date

11-11-2014

Language(s)

English

Published date

05-01-2004

Publisher

American Society for Testing and Materials

CONTAINED IN VOL. 14.04, 2015 Defines dimensional requirements for obtaining, within practical limits, interchangeability in glass stopcocks (Note 1) with polytetrafluoroethylene (PTFE) plugs for ordinary laboratory and industrial applications.

1.1 This specification covers standard dimensional requirements for obtaining, within practical limits, interchangeability in glass stopcocks (Note 1) with polytetrafluoroethylene (PTFE) plugs for ordinary laboratory and industrial applications. It covers dimensional interchangeability only and does not involve design characteristics of the item except where specified, nor does it involve physical or chemical characteristics of the material used. It does not cover glass stopcocks with glass plugs (Note 2) or stopcocks intended for use in high-vacuum work.

Note 1—A stopcock is defined as consisting of a plug and barrel in assembled configuration.

Note 2—Glass stopcocks with glass plugs are covered by Specification E 675.

Note 3—The dimensions pertaining to stopcocks were taken from the now obsolete Commercial Standard CS 21-58 of the U.S. Department of Commerce and Product Standard PS 28-70 published by the National Bureau of Standards.

Note 4—Although glass is the most common material for stopcocks, other materials may be used as specified. Stopcocks constructed from glass shall be in accordance with Specifications E 438 and E 671.

Committee
E 41
DocumentType
Standard
Pages
4
ProductNote
Reconfirmed 2004
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy
Supersedes

ASTM E 675 : 2002 Standard Specification for Interchangeable Taper-Ground Stopcocks And Stoppers
ASTM E 438 : 1992 SPECIFICATION FOR GLASSES IN LABORATORY APPARATUS
ASTM D 1457 : 1992 Specification for Polytetrafluorethylene (PTFE) Molding and Extrusion Materials (Withdrawn 1996)
ASTM D 374 : 1999 Standard Test Methods for Thickness of Solid Electrical Insulation

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PDF - English
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