VULCAN

Emergency tow-off pendants (ETOPs), commonly referred to as “fire wires,” provide a means of towing the ship away from the dock in the event of a fire. Samson developed Vulcan, a synthetic alternative to traditional wire ropes (fire wires). Vulcan is significantly lighter and eliminates “fish hooks,” which are broken wires that protrude from the wire and result in hand injuries. Maintenance costs are also reduced when using synthetic ropes in comparison with wire ropes. The patented synthetic ETOP Vulcan is made of Technora® fiber in conjunction with a proprietary fire-resistant coating the meets the OCIMF-required breaking strength after exposure to flames and a high-temperature environment.

Product Code

893

Specific Gravity

1.39

Elastic Elongation
10% 20% 30%
0.40% 0.70% 1.00%

Fiber (Core/cover)

Aramid / Aramid

Splice

Product Specific Class II

Emergency Tow Off Pendant

60-70% (2/3rds) lighter than wire   •   Abrasion resistant   •   Easily stored when not in use   •   Easy to adjust   •   Heat and flame resistant   •   Lightweight   •   No lubrication necessary   •   Reduces mooring-related injuries and claims

  Imperial Metric ISO  
  DIAM.
inch
CIRC.
inch
WEIGHT PER 100 FT.
lbs
AVG. STRENGTH
lbs
MIN. STRENGTH
lbs
DIAM.
mm
CIRC.
mm
WEIGHT PER 100 M
kg
AVG. STRENGTH
kg
MIN. STRENGTH
kg
ISO 2307 STRENGTH
metric tons
 
  1 3 30 74,000 66,600 24 72 44.6 33,600 30,200 33.6  
  1 1/4 3 3/4 61.6 136,000 122,000 30 90 91.7 61,700 55,500 61.7  
  1 5/16 4 69 150,000 135,000 32 96 103 68,000 61,200 68  
  1 11/16 5 1/4 107 211,000 190,000 42 126 159 95,700 86,100 95.7  
  1 7/8 5 5/8 125 247,000 222,000 46 136 186 112,000 101,000 112  
  2 1/8 6 1/2 149 306,000 275,000 52 156 222 139,000 125,000 139  
  2 1/4 7 168 329,000 296,000 56 168 250 149,000 134,000 149  
  2 1/2 7 1/2 192 375,000 338,000 60 180 286 170,000 153,000 170  

ISO strength specifications are for unspliced rope. All other strength specifications are for spliced rope.

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©Samson Rope Technologies 2018