EN 1261-1995 pdf download.Fibre ropes for general service-Hemp.
This EN 1261 specifies requirements for 3-, 4- and 9-strand laid ropes and plaited ropes made of hemp for general purposes.
2 Normative references
This European Standard incorporates by dated or undated reference, provisions from other Publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies. EN 70 1:1995. Fibre ropes for general service — General specification.
EN 919, Fibre ropes for general service — Determination of certain physical and mechanical properties.
ISO 1968, Ropes and cordage — Vocabulary.
3 Definitions
For the purposes of this standard the definitions of ISO 1968 and the following definitions apply.
3.1
plaited rope
plait made of plaited sections with or without core
3.2
plait
rope plaited in one direction (spiral plait) or in the opposite direction (cross plait)
3.3
plaited section
element at the circumference of plaited ropes consisting of yarns or strands
3.4
number of plaited sections
number of plaited sections at the circumference of plaited ropes
3.5
core
1)undle of rope yarns in the middle of the rope
3.6
preserving agent
substance to increase the resistance of the cordage to rotting
4 Construction
Hemp ropes produced in accordance with this
European Standard shall be constructed in
compliance with one of the following types
(see also Figure 1 and Figure 2):
type A 3-strand hawser-laid rope;
type B 4-strand shroud-laid rope (for ropes with a nominal diameter 16 mm with core);
type C 9-strand cable-laid rope:
type E round-plaited fibre rope; with core for ropes with a number of plaited
sections T 10.
5 Structure and properties
5.1 Rope geometry, dimensions and load factors
Hemp ropes shall conform to the values given in Table 1 to Table 5 of this standard and the values given in EN 701.
5.2 Manufacture
5.2.1 General
The manufacture of ropes conforming to this standard shall be carried Out in the natural state of the yarns, strands and cores.
Other requirements concerning structure and manufacture shall be in accordance with EN 701.
NOTE Strands may be polished (smoothed) to improve the characteristics of the rope.
5.2.2 Spiral ropes
5.3 Mode of delivery
Packing, length of delivery, labelling and invoicing shall be in accordance with EN 701 and ropes shall be designed and marked in accordance with clauses 8 and 9.
Preserving agents, if used, shall be indicated on the package.
6 Materials
Long fibre yarns used for hemp cordage shall exclusively consist of new hemp (Ganncibis sativa L) with an approximate density of 1,35 kg/dm3. When processing the fibres to produce rope yarns the admixture of other natural fibres may be present.
7 Testing
Sampling and testing of hemp fibre ropes shall be in
accordance with EN 919.
8 Designation
The designation of a rope in accordance with this standard shall be given in the following form:
NOTE The example given i for a hemp fibre rope of type A.
9 Marking
Ropes shall be marked in accordance with EN 701 and additional specifications of this standard. For ropes with a nominal diameter 16 mm a marker tape shall be present.
Hemp ropes shall contain the marking elements given in Table 5.
9.1 Marker yarn
The marker yarn (which may be combined with a marker tape) shall show the marking of the constituent material in the following way:
— number: one marker yarn
— colour: green
9.2 Marker tape
The marker tape shall indicate the following manufacturing designations:
— name or sign of the manufacturer;
— year of production;
— number of this standard EN 1261;
— ropes for sea shipping shall be marked additionally with the certification number of a classification company.
NOTE For safety reasons the year of production is important.
9.3 Label
The label of each delivered length (coil) shall contain the designation in accordance with EN 701 and additionally the year of production:
Exci rnple:
Material of the rope: Hemp
Main number of the EN 1261
standard:
Nominal diameter in mm: 52
Delivered length in m: 200.EN 1261-1995 pdf download.
EN 1261-1995 pdf download
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