Spectra®-Siri® S-12 DB

Spectra®-Siri® S-12 DB are High Modulus / High Performance ropes with long term fatigue life properties and outstanding quality performance ideal for the critical operations of the shipping industry. They consist of a 12-strand load bearing core (HC Spectra® fibers) and a protective braided jacket. This rope construction is firm, round and torque free.

APPLICATIONS: Mooring (to be used with Synthetic tails) – Anchoring – Tow Lines (to be used with synthetic tails) – STS operations / OFFSHORE / YACHTING

There are three options for the jacket:

100% Polyester jacket: A reliable protective jacket that offers very good abrasion resistance and gripping properties when used on winches, capstans and other types of hardware.

spectra siri db rope pes cover horS

Mixed jacket (UHMWPE/PES): A special blend of UHMWPE and polyester fibers form a highly abrasion protective jacket, that combines the gripping efficiency of Polyester and the ultra-high abrasion resistance of UHMWPE fibers.

spectra siri db rope mixed cover horS

UHMWPE jacket: A High Modulus jacket that provides maximum abrasion resistance prolonging significantly the rope’s service life.

spectra siri db rope hmpe cover horS
advanced divider

Spectra®-Siri® S-12 DB ropes are 12 strand High Modulus ropes, combining the excellent properties of Honeywell’s HC Spectra® fibers and an insuperable manufacturing process. The use of the special NikaThane-J coating application on the HC Spectra® fibers and the superior in-house Linear Structural Preformation (LSP) process provides a high quality robust rope construction with higher strength efficiency and excellent abrasion resistance. Spectra-Siri® S-12 DB ropes exhibit excellent resistance to UV sunlight and weathering degradation and thus an extended service life (more than 7 years).

Spectra®-Siri® S-12 DB ropes are an excellent wire-rope alternative and offer several benefits:

Spectra®-Siri® S-12 DB ropes are produced according to ISO 10325-2009 and they comply with OCIMF’s latest regulations & recommendations for the safe mooring of the tanker-LNG-LPG vessels.

siri 1

Technical Specifications

Technical Datasheet

NOM. Size (Circ.) NOM. Size (Diameter) Weight (+/- 10%) LDBF (acc. MEG4) MBL (acc. ISO 2307)
Inches mm kgs/100 mtr kgs/220 mtr tons tons
2 16 19.4 42.7 20.9 23.0
2 1/4 18 23.3 51.3 27.2 29.9
2 1/2 20 33.6 73.9 33.5 36.8
2 3/4 22 42.3 93.0 41.5 45.6
3 24 47.2 103.8 48.5 53.3
3 1/4 26 54.2 119.3 56.2 61.8
3 1/2 28 71.6 157.6 65.8 72.4
3 3/4 30 76.5 168.3 73.7 81.1
4 32 80.8 177.8 80.6 88.7
4 1/4 34 83.8 184.4 85.5 94.0
4 1/2 36 90.1 198.3 95.6 105.2
4 3/4 38 97.5 214.5 107.5 118.3
5 40 137.2 301.9 122.0 134.2
5 1/4 42 143.7 316.2 132.5 145.7
5 1/2 44 159.3 350.4 146.5 161.1
5 3/4 46 167.8 369.1 160.2 176.2
6 48 197.5 434.6 177.9 195.7
6 1/4 50 206.5 454.4 192.4 211.6
6 1/2 52 217.4 478.4 209.9 230.9
6 3/4 56 246.4 542.1 223.2 245.5
7 60 270.4 594.9 260.4 286.4
7 1/2 64 300.4 660.9 274.0 301.4
8 68 356.5 784.4 320.7 352.8
8 1/2 72 381.5 839.4 357.1 392.8
9 76 408.5 898.8 396.5 436.1
10 80 455.5 1002.2 465.0 511.5

LDBF: Line Design Break Force
MBL: Minimum Breaking Load

weight tolerance is +/- 10% as per ISO 10325:2018

more sizes available upon request

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