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ASTM E677-94(2016)
Standard Specification for Interchangeable Spherical Ground Joints
Translate name
STANDARD published on 1.9.2016
The information about the standard:
Designation standards: ASTM E677-94(2016)
Publication date standards: 1.9.2016
SKU: NS-652937
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: American technical standard
Category: Technical standards ASTM
The category - similar standards:
Annotation of standard text ASTM E677-94(2016) :
This specification covers standard dimensional requirements for obtaining interchangeable spherical ground joints. This specification does not include physical, chemical, and design characteristics of material used. Dimensional requirements include socket member design, ball member design, size designation, dimensions, and interchangeability. Ground joints shall be tested for ball and socket dimensions and leakage. Leak rate shall be calculated based on change in differential pressure, evacuated volume and time of test.
Keywords:
ground, joints, spherical ,, ICS Number Code 71.040.20 (Laboratory ware and related apparatus)
Additional information
| 1. Scope | ||||||||||||
|
1.1 This specification covers standard dimensional requirements for obtaining, within practical limits, interchangeability in spherical ground joints 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, nor does it involve physical or chemical characteristics of the material used. Note 1: The dimensions pertaining to spherical ground joints
were taken from the Commercial Standard CS 21–58 of the U.S.
Department of Commerce.
Note 2: Although glass is the most commonly used material for
ground joints, other materials may be used as specified. Spherical
joints constructed from glass shall conform to Specifications
E438 and E671.
1.2 The following precautionary caveat pertains only
to the Test Method portion, Section 4, of this specification.
Standard Specification for Sampling and
Testing of Reusable Laboratory Glassware (Includes all amendments
and changes 12/31/2018). Standard Practice for Performance Testing
of Packaged Laboratory Apparatus for United States Government
Procurements Standard Specification for Export
Packaged Laboratory Apparatus Standard Specification for Commercially
Packaged Laboratory Apparatus Standard Specification for Maximum
Permissible Thermal Residual Stress in Annealed Glass Laboratory
Apparatus Standard Specification for Glasses in
Laboratory Apparatus |
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