BS 2782-11.S 1160A&B(1998) : 1998

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 ISO 8584/1