BS 7435-1:1991
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Fibre cement flue pipes, fittings and terminals Specification for light quality fibre cement flue pipes, fittings and terminals
Hardcopy , PDF
01-04-2005
English
31-07-1991
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 and fittings
B Test for transverse crushing strength
C Test for flow resistance of 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 Slip sockets
8 Loose sockets for connecting fibre cement pipes of
the same nominal size
9 Blank caps
10 Split sockets with metal connecting strap
11 Flue flow rates and values of the constant X
Figures
1 Typical freestanding terminals and ridge terminal
adaptor
2 Straight pipe
3 Square/obtuse bend
4 Equal square/obtuse tee
5 Unequal square/obtuse tee
6 Taper piece
7 Slip socket
8 Loose socket for connecting fibre cement pipes of
the same nominal size
9 Blank cap
10 Split socket with connecting strap
11 Loading in transverse crushing test
12 Apparatus for measuring flow resistance of
freestanding terminals under wind conditions
13 Apparatus for measuring flow resistance of ridge
terminals under wind conditions
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.