AS B202-1962
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
General purpose Acme screw threads
Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users
30-06-2017
English
01-01-1962
Important note : Users cannot be edited or removed once added to your Multi user PDF.Based on the American Acme Screw Thread Standard ANSI B1.5 1952 This Standard defines the Acme form of thread and gives complete tables of basic sizes, limits and tolerances for a Standard Series of single-start Acme screw threads in the range n to 5 in. diameter. This Standard Series is in agreement with that given in ANSI B1.5 except for the pitches associated with diameters 3/8 in., 7/16 in., 1 in., 1-1/8 in., and 1¼ in. The three classes of fit 2G, 3G, and 4G in the US Standard are given and an additional finer class 5G is also provided.
| Committee |
ME-028
|
| DocumentType |
Standard
|
| Pages |
37
|
| PublisherName |
Standards Australia
|
| Status |
Withdrawn
|
| Supersedes |
This British Standard recommends a Standard Series of diameters and associated pitches for General Purpose Acme form screw threads, for the nominal size range 1/4in. to 5 in. and specifies the limiting dimensions, tolerances and allowances for four classes of thread.Information is also provided whereby the limiting dimensions for any other screw thread of Acme form may be determined, but the use of these special diameter/pitch combinations should be avoided wherever possible.Recommendations are given in Section Two regarding the types and dimensions of gauges to be used.
| Standards | Relationship |
| BS 1104:1957 | Identical |
Reconfirmed 1984, 1987
| AS 2089-1993 | Sheave blocks for lifting purposes |
| AS 2638.2-1999 | Sluice valves for waterworks purposes Resilient seated |
| AS 2638.2-2006 | Gate valves for waterworks purposes Resilient seated |
| AS 6401-2003 | Knife-gate valves for waterworks purposes (Reconfirmed 2015) |
| AS 2638.1-2002 | Gate valves for waterworks purposes Metal seated |
| AS 2638.2-2002 | Gate valves for waterworks purposes - Resilient seated |
| AS 2638.1-1999 | Sluice valves for waterworks purposes Metal seated |
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