NS EN 744 : 1ED 1995
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
PLASTICS PIPING AND DUCTING SYSTEMS - THERMOPLASTICS PIPES - TEST METHOD FOR RESISTANCE TO EXTERNAL BLOWS BY THE ROUND-THE-CLOCK METHOD
01-01-2018
12-01-2013
Committees responsible
National foreword
Method
Foreword
1 Scope
2 Definition
3 Principle
4 Apparatus
5 Test pieces
6 Conditioning
7 Procedure
8 Expression of results
9 Test report
Annex
A (informative) Evaluation of results from isolated
batches
Tables
1 Dimensions for the nose of the striker
2 Mass of strikers
3 Number of equidistant lines to be drawn on the
test pieces
4 Conditioning periods
5 Expression of TIR at 10% depending on the number of
blows and failures
Figures
1 Typical falling weight testing machine
2 dimensions of strikers
3 Number of test pieces for 10% TIR (at 90% confidence
level)
ALSO NUMBERED AS BS 2782 PART 11 METHOD 1108C 1996 Specifies a method for determining the resistance to external blows of thermoplastics pipes with circular cross sections by using the round-the-clock method. Meant to be applied to isolated batches of pipe.
| DevelopmentNote |
Supersedes NS 2953. (04/2008)
|
| DocumentType |
Standard
|
| PublisherName |
Norwegian Standards (Norges Standardiseringsforbund)
|
| Status |
Superseded
|
| Supersedes |
| Standards | Relationship |
| UNI EN 744 : 1997 | Identical |
| EN 774:1996/A3:2001 | Identical |
| BS EN 744:1996 | Identical |
| I.S. EN 744:1995 | Identical |
| EN 744:1995 | Identical |
| DIN EN 744:1995-08 | Identical |
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