BS ISO 8584-1:1990
Withdrawn
Thermoplastics pipes for industrial applications under pressure. Determination of the chemical resistance factor and of the basic stress Polyolefin pipes
Hardcopy , PDF
English
02-15-1998
12-01-2011
Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
4 Principle
5 Apparatus
6 Test pieces
7 Test fluids
8 Test temperatures
9 Choice of test stress and calculation of the
test pressure
10 Test procedure
11 Basic curves of long-term creep strength with water
12 Determination of the basic stress function with a
given fluid at the operating temperature TS and of the
basic stress for a given time to failure
13 Choice of the pipe series
14 Test report
Annexes
A Laboratory apparatus
B Examples of calculation
C Tables showing examples of basic stresses as a
function of the operating temperature TS, the time to
failure t and the chemical resistance factor fCR
D Examples of basic stress curves with water for
polyethylene pipes with a nominal stress sN = 8 MPa
E Examples of basic stress curves with water for
polybutene pipes with a nominal stress sN = 8 MPa
F Examples of basic stress curves with water for
propylene homopolymer pipes with a nominal stress sN
= 6.3 MPs
G Examples of basic stress curves with water for propylene
copolymer pipes with a nominal stress sN = 5MPa
Specifies the basic stress as reference value for determination of the series S of polyolefin pressure pipes and uses the classification of pipes in accordance with their nominal stress. ALSO NUMBERED AS BS 2782-11: METHODS 1160A&B: 1998
| Committee |
PRI/88
|
| DevelopmentNote |
Also numbered as BS 2782-11.S 1160A&B(1998). Supersedes 87/39955 DC. (07/2005)
|
| DocumentType |
Standard
|
| Pages |
34
|
| PublisherName |
British Standards Institution
|
| Status |
Withdrawn
|
| Standards | Relationship |
| ISO 8584-1:1990 | Identical |
| ISO 4433:1984 | Polyolefin pipes — Resistance to chemical fluids — Immersion test method — System for preliminary classification |
| ISO 161-1:1996 | Thermoplastics pipes for the conveyance of fluids — Nominal outside diameters and nominal pressures — Part 1: Metric series |
| ISO 3:1973 | Preferred numbers — Series of preferred numbers |
| ISO 3126:2005 | Plastics piping systems — Plastics components — Determination of dimensions |
| ISO 4065:1996 | Thermoplastics pipes — Universal wall thickness table |
| ISO/TR 9080:1992 | Thermoplastics pipes for the transport of fluids — Methods of extrapolation of hydrostatic stress rupture data to determine the long-term hydrostatic strength of thermoplastics pipe materials |
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