BS 7435-2:1991
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Hardcopy , PDF
04-01-2005
English
07-31-1991
Committees responsible
Foreword
Specification
1 Scope
2 Definitions
3 Composition and materials
4 Fire properties
5 Manufacture
6 Sizes and tolerances
7 Performance criteria
8 Marking
9 Instructions
Appendices
A Sizes of pipes, fittings and freestanding terminals
(cone caps)
B Test for transverse crushing strength
C Test for flow resistance of freestanding terminals
D Test for acid resistance
Tables
1 Tolerances
2 Straight pipes
3 Square and obtuse bends
4 Equal square and obtuse tees
5 Unequal square and obtuse tees
6 Taper pieces
7 Sockets for connecting fibre cement pipes to metal
pipes of the same nominal size
8 Loose sockets for connecting fibre cement pipes of
the same nominal size
9 Cone caps
10 Blank caps
11 Cleaning doors
12 Width of upper press-block
13 Flue flow rates and values of the constant X
Figures
1 Typical freestanding terminals
2 Straight pipe
3 Square/obtuse bend
4 Equal square/obtuse tee
5 Unequal square/obtuse tee
6 Taper piece
7 Socket for connecting fibre cement pipe to metal
pipe of the same nominal size
8 Loose socket for connecting fibre cement pipes of
the same nominal size
9 Cone cap
10 Blank cap
11 Cleaning door
12 Loading in transverse crushing test
13 Apparatus for measuring flow resistance of
freestanding terminals under wind conditions
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