Methods of testing plastics. Thermoplastics pipes, fittings and valves True impact rate (TIR) boundaries of pipes

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

29-09-1989

Publisher

British Standards Institution

Committees responsible
Foreword
Method
1. Scope
2. Definition
3. Principle
4. Apparatus
5. Test pieces
6. Conditioning
7. Procedure
8. Determination of results
9. Test report
Tables
1. Mass of striker
2. Number of longitudinal lines to be drawn on pipe
test pieces
Figures
1. Suitable type of impact testing apparatus
2. Chart for true impact rate (TIR) for test at
20 deg C

Test pieces are subjected to one or more blows from a falling striker of specified mass and the results analysed for the incidence of failure for the corresponding batch of pipes. Primarily for cross-reference by specifications for pipes for non-pressure applications (previously in appendices thereto).

This British Standard describes a method for determining the resistance of plastics pipes to external blows by a falling striker.

It is suitable for application to isolated batches of pipes, to obtain an estimate of the true impact rate (TIR) of the batch, for production quality control or acceptance purposes. In particular this method determines TIR boundaries at the 10 % level when tests are conducted at 20 °C.

NOTE The titles of the publications referred to in this method are listed on the inside back cover.

Committee	PRI/88/4
DevelopmentNote	Supersedes 86/37965 DC (06/2005)
DocumentType	Standard
Pages	12
PublisherName	British Standards Institution
Status	Current

BS 5255:1989	Specification for thermoplastics waste pipe and fittings
BS 4576-1:1989	Unplasticized polyvinyl chloride (PVC-U) rainwater goods and accessories Half-round gutters and pipes of circular cross-section
BS 4660(1989) : 1989	SPECIFICATION FOR UNPLASTICIZED POLYVINYL CHLORIDE (PVC-U) PIPES AND PLASTICS FITTINGS OF NOMINAL SIZES 110 AND 160 FOR BELOW GROUND GRAVITY DRAINAGE AND SEWERAGE
BS 7291-4:1990	Thermoplastics pipes and associated fittings for hot and cold water for domestic purposes and heating installations in buildings Specification for chlorinated polyvinyl chloride (PVC-C) pipes and associated fittings and solvent cement

BS 5481:1977	Specification for unplasticized PVC pipe and fittings for gravity sewers
BS 5556:1978	Specification for general requirements for dimensions and pressure ratings for pipe of thermoplastics materials (metric series)

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BS 2782-11:Method 1108A:1989

Current

Table of Contents

Abstract

Scope

General Product Information

Standards Referenced By This Book

Standards Referencing This Book

Category

Subcategory

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