Coatings Arboriculture Safety and Access - Marlow Ropes · 2018-03-21 · 315 ISSUE 2 119 Ropes...
Transcript of Coatings Arboriculture Safety and Access - Marlow Ropes · 2018-03-21 · 315 ISSUE 2 119 Ropes...
ISSUE 2315119
Ropes Manufactured in the United Kingdom
Coatings
Physical Properties
Technical Information
Marlow
’s Industrial & Utility ropes include products designed for cable pulling, winching, lifting,
wire rope replacem
ent, guy lines and general rigging. The range also includes traditional
polyester, nylon and polypropylene ropes available in both twisted and braided constructions,
suitable for many varied applications.
Made in the United Kingdom315
Dyneema is a registered Trade Mark of Royal DSM N.V.
Rope Termination and Assemblies
Our experienced Technical Team are able to help specify and design ropes and rope assemblies for specific projects and applications. Please contact [email protected] or call +44 (0)1323 444444 for more information.
A wide variety of factory finished rope terminations are available to suit strength and usage requirements.
Some materials like Aramids and HMPEs will require a larger eye with an angle at the throat of 15 degrees or less.
The images below represent a small selection of the 100’s of different terminations and finishes available.
Splices
Most Marlow ropes can be spliced, this is normally the preferred method of termination. A good splice using the recommended method should not reduce the strength of a rope by more than 10%.
Sewn
Some ropes cannot be spliced and in these situations a sewn termination offers a considerably stronger option than a simple knot. However, for all ropes a sewn termination offers the consistency of a computer controlled process and easy inspection. However, a sewn termination will not normally be as strong as a good splice.
Knots
A knot will reduce the strength of the rope, sometimes very significantly. This loss is caused by the tight bends and compression found in any knot. The amount a rope will be weakened will depend on the knot, type of rope and the material from which it is made but can be up to 60%
Eye Sizes
Wherever possible the angle formed at the throat of a splice or sewn termination when it is loaded should be 30 degrees or less. This means that the length of the eye when flat must be at least 2.7 times the diameter of the object over which the eye is to be used and the distance from the bearing point to the throat when in use should be at least 2.4 times the diameter.
Phy
sica
l Pro
per
ties Specific gravity (buoyancy of a rope / material)
Specific gravity is a measure of the density of a material; a Specific Gravity of 1.0 is equivalent to a density of 1g per cm3 (i.e. a Specific Gravity <1 means the material floats). The following table shows the specific gravity of some of the materials commonly used in fibre ropes.
Material Specific GravityPolypropylene 0.91HMPE (Dyneema®) 0.98Fresh Water 1.0Sea Water 1.03Nylon 1.14Polyester 1.38Vectran® 1.41Aramids (Technora®, Nomex®, Kevlar®, Twaron®) 1.44Zylon® 1.54Steel 7.85
Ultra Violet Radiation Resistance
All materials are affected by UV radiation to some extent. The following table attempts simply to rank different materials in line with their resistance to UV radiation
Material UV RankingPolyester 5HMPE (Dyneema®) 5Nylon (UV treated) 4Aramids (Technora®, Nomex®, Kevlar®, Twaron®) 3Vectran® 3Polypropylene 2Zylon® 1
Melting point
The table below shows the typical melting or decomposition temperature of some common rope making materials.
Rope Strengths and Weights
Rope strengths are tested according to Marlow’s QA25 and 26 quality procedures. Generally these procedures are in line with BS EN ISO 2307, however, a number of other internationally recognised test standards are used including EN 1891, EN 1892 and EN 564
Rope mass is determined be weighing a sample of rope whose length has been measured at a reference load. For most ropes this load is calculated as:
Reference Load (kg) = D2/8
Where D is the rope nominal diameter (mm)
Working Loads: Marlow Ropes specify a minimum breaking load (or sometimes an Average Breaking Load). It is the responsibility of the user to determine an appropriate factor of safety and safe working load. This factor of safety must be determined after considering all the risks, the strength reducing factors, and the expected life of the rope. The following table shows some of the factors that may affect the determination of the factor of safety.
Rope strengths in this catalogue are given in Kilonewtons (kN).which is the correct measure of force or breaking strength. However most people are more familiar with kilograms (kg) so below are conversion factors from one to the other:
kN to kg x 101.972Kg to kN x 0.00981
Material Melting Point (Degrees C)
Zylon® 650 (decomposition)
Aramids (Technora®, Nomex®, Kevlar®, Twaron®) 500 (decomposition)
Vectran® 330Polyester 260Nylon 6.6 250Nylon 6 220Polypropylene 170HMPE (Dyneema®) 150
Industrial & Utility
Hi-tech Technora®, Vectran® and Dyneema® ropes for use w
ith 2D and 3D camera rigs,
Dolly Systems and Catenery System
s as well standard polyester ropes for more traditional
theatre rigging. All ropes are solid black but can also be supplied in custom colours to suit.
Hi-tech Technora®, Vectran® and Dyneema® ropes for use with 2D and 3D camera rigs,
Dolly Systems and Catenery Systems as well standard polyester ropes for more traditional
theatre rigging. All ropes are solid black but can also be supplied in custom colours to suit.
Film & Theatre Rigging
The following information is not exhaustive. Marlow Ropes Limited reserve the right to amend specifications according to them meeting CE Regulations. These products should be used only by trained and/or otherwise competent persons or the user should be under the direct supervision of such a person.
Use
Marlow Arborist Ropes are designed as a general purpose tree surgery rope. It is to be used in combination with ascending, descending and safety devices for work positioning only and not as a fall arrest system. It is designed for use in normal climatic conditions.
Before undertaking and during a tree surgery operation, consideration should be given about how the action could be safely and efficiently carried out. In particular, care should be taken in selection of the anchor regarding it’s possible failure under load. When working on a tree limb where a fall or swing may be possible, the climber is required to use a supplementary anchor rope.
The system used should incorporate a reliable anchorage point above the user, and any slack rope between the user and the reliable anchorage point should be avoided.
Placing ropes over sharp edges is extremely dangerous. No rope can be expected to perform to its rated strength and fall holding capacity when positioned in this type of situation. Specific care should be taken when using a chainsaw or handsaw with Arborist Rope as the rope has very little resistance to being cut by these tools. This rope conducts electricity, especially when damp or wet, if there is ever a risk of rope coming into contact with overhead cables, the advice of the appropriate local authority should be sought. This product should not be used during electrical storms where there is a risk of a lightening strike.
Immediately before use, the user shall:• Make a visual inspection of the rope to ensure that it is in a serviceable condition and will operate correctly.• Ensure that the recommendations for use as advised in this sheet are followed.
Maintenance
You should inspect the whole length of this rope before each use to ensure its continued serviceability. Use visual and tactile inspection to identify cuts, tears, abrasion damage and powdering due to ageing, contact with heat, acids, alkalis and other corrosives. If any of these are present, discretion should be used and if in doubt, the rope should be withdrawn from service.
Storage
Store in a dry, cool, well ventilated and dark place away from direct sunlight. Sources of ultra violet light, excessive heat, high humidity, sharp edges, corrosives or other sources of damage should be avoided. Ensure that no part of the rope is subjected to unnecessary stress or pressure.
Obsolescence
It may become worn and damaged during normal use. Factors such as the following will reduce its safe working life: exposure to chemicals, temperatures greater than 40° Centigrade, prolonged exposure to ultra violet light, abrasion, high impact loads, contact with cutting tools or failure to maintain as recommended. In extreme circumstances the life of the product may be limited to one excursion.
Everyday “wear and tear” during use can accelerate the deterioration of this rope. Extreme circumstances may severely limit the safe use of this rope. Professional users should be guided by their own industry practices or their own working procedures regarding obsolescence. If in doubt about a ropes’ condition, replace it immediately. A log should be kept to uniquely identify each rope and the hours of use it has had to help in making redundancy decisions.
Transportation
Under normal circumstances, no special packaging is required for transportation
Markings
The CE accreditation is awarded after meeting suitable technical standards such as those already described. The manufacturer meeting suitable Quality Assurance procedures such as in house testing and traceability is also a requirement.
Ferrules - The ferrule on the end of each rope shows the following information:
• the nominal diameter of the rope• the number of the relevant standard• the CE logo and the registration number of the approved body• the manufacturing batch code• the individual rope serial number
Warning
Tree surgery is potentially dangerous. The consequences of incorrect selection and use of equipment can result in damage, serious injury or death. Marlow Arborist Rope should be used only by trained and competent persons, or the user should be under the direct supervision of a trained and competent person.
Performance
This rope has been CE marked and therefore meets the criteria of MR 10-82 : 2005 and relevant parts of EN 1891 : 1998 as approved by the awarding body.
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Technical
Marlow is the only UK m
anufacturer of Arboriculture ropes. Our ropes are specifically designed
for Arborists and include CE certified climbing and prussik ropes as well as slings, lowering
lines, Throwlines and accessories.
Th
row
Bag
Robust and hardwearing, the Marlow throw bag is long lasting and ergonomically designed for ease of use. Available in 250g and 350g, in black only.
Th
row
line Supplied on handy 50m mini spools, our 2mm Throwline has a smooth
and hardwearing polyester cover giving it excellent handling characteristics and longevity.
Diameter 2mm Colour OrangeMin Break Load (kN) 0.9Weight (g/m) 2.8Length 50m
Dyn
eem
aT
hro
wlin
e For easier handling and higher breaking strength, Dyneema Throwline is over 3 times as strong as our standard polyester product, but is 43% lighter. Supplied on 50m mini spools, Dyneema Throwline is light, strong and exceptionally hardwearing.
Diameter 1.5mm Colour YellowMin Break Load (kN) 3Weight (g/m) 1.6Length 50m
Accessories
Cam
biu
m S
aver
Arb
ori
st R
op
eManufactured from 30mm wide, high tenacity polyester webbing with a circular steel ring one end and steel quick link the other end.
Marlow’s Cambium Saver helps prevent bark damage to trees and to reduce friction and wear on climbing ropes. Designed to be used with both spliced and sewn terminated climbing ropes.
Certified to EN 795B.
Width 30mm 30mm Length 1.2m 1.5mMinimum Break Load (kN) 22 22Unit Weight (g/m) 400 430Colour Grey Red
Sp
lit T
ails Marlow Split Tails are made from our CE certified climbing rope and
finished with strong sewn eye termination. Available in 2 lengths.
Termination: SewnApplications: Tree rigging, Work positioning Features: Hardwearing, Strong Adjustable, CE Certified
Diameter 13mmColour VariousMin Break Load (kN) 24.9Weight (g/m) 112Lengths 1.5m & 3.5m
Accessories
This rope may be used with any appropriate item that has a corresponding CE mark. If in doubt about compatibility, particularly diameter suitability, check with an instructor or a competent person before proceeding with the activity.
Cleaning
If the rope becomes soiled by mud or grit, wash in warm water of domestic supply (maximum 40° centigrade) and pure soap. Then immediately rinse and allow to dry in a warm environment away from direct heat.
Termination
The recommended terminations for any of the ropes covered in the table are either a Figure 8 Knot, or a Spliced Eye. The Gecko may also be sewn. All terminations should be carried out by a suitably qualified person.
Made in the United Kingdom315
Dyneema is a registered Trade Mark of Royal DSM N.V.
Arboriculture
ISSUE 4
Defence
Defence
Wire rope replacement with synthetic fibre ropes offers significant strength, handling and safety
benefits and Marlow Ropes offers a range of UHMPE based rope solutions designed for all
winching applications.
ISSUE 2
Winchline
Marlow Ropes LtdRopemaker Park, Diplocks Way,
Hailsham, East Sussex BN27 3GU,United Kingdom
T : +44 (0) 1323 444444 F : +44 (0) 1323 444455
Marlow Ropes Inc10 Cordage Park Circle,
Suite 239, Plymouth, MA 02360United States
T : +1 (339) 933 0963
[email protected] www.marlowropes.com
Arm
ourC
oat • Specially formulated polyurethane coating
• Improves abrasion resistance and durability• Increases friction, aids handling & splicing• Provides colour coding (Black as standard, other colour options available on request)
• Synthetic Polymer Anionic Coating• Prevents ingress of dirt and abrasive particles• Provides “self healing” properties• Increasescoefficientoffriction• Significantlyimprovescore/coveradhesionG
ripC
oat
• Enhances bending performance• Reduces yarn on yarn abrasion and heat generation by a factor of 2• Applied at rope manufacture stage
Coo
lCoa
t
• Improvesflexfatigueexperiencedincontinuous cyclic bending • Reduces yarn on yarn abrasion and heat generation by a factor of 5• Applied at yarn manufacture stage – can be used in conjunction with any of the above coatings
Dyn
eem
a XB
O
Abrasionandheatgenerationcanoftenbetheenemyofsyntheticfibreropes.Tothatend,Marlowhavearangeofoptionstoprotectsingleanddoublebraidedfibreropes,reducefatigueandextendlife.Theseinclude:
For further information on all Marlow products, including construction, physical properties, elongation characteristics and termination options, please see the relevent technical data sheets.
0
10
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0 5 10 15 20 25 30
Load
(% o
f ABL
)
Elongation (%)
Elongation of Worked Ropes
Nylon Polyester Dyneema
Safety and AccessLo
ad E
xten
sion
Cha
ract
eris
tics Extension and Elasticity
Synthetic fibre load-extension characteristicsare non-linear and time dependent. Thesecharacteristics are important as they will determine rope behaviour. Over all extension is made up of several elements:
Permanent extension is non-recoverableand will occur when a rope is first used.Individual fibre components of the rope will“Bed In” to their preferred position.
Higher loads will experience a higher degree of bedding-inandincreasethe“stiffness”oftherope. This is often known as “Storm Stiffness” versus the normal loads of “Tidal Stiffness”.
Extension due to “Bedding-In” will continueover subsequent multiple loadings until a “plateau” is reached. If the load is released, over time some of this further extension will be recovered. This is known as Visco-Elastic Extension. Ropes subjected to occasional high loadswill be influencedby thiselementof extension.
Elastic Extension occurs with a “Bedded-In” or “Worked” rope and is immediately recoverable upon the release of the load. Elastic extension will dominate a rope’s behaviourinacontinuouslyworking/cyclingenvironment.
Creep is also permanent, non-recoverableextension and occurs at the yarn molecular level when the rope is under continuous load. Creep can have a significant impact on arope’s behaviour in situations of continuous load.
Thegraph(right)comparestheload-extensioncharacteristics of worked ropes but does not include permanent extension.
Load
Rope Length
Extension
First loading 2nd Loading Bedded In
Permanent Extension Recoverable Extension Elastic Extension
Total Extension
Multiple Continuous
LoadingsISSUE 6
Leisure Marine
UHMPE Ropes Alternative Fibre RopesD
12 P
lus Dia: 12mm - 120mm
MBL: 16.5 T - 835 T
Product Technical Data
MarlowD12PLUSisapremiumandversatile“all-round”fibreropeofferinga lightweight, high strength and flexible alternative to steel wire and evenpolyester ropes.D12PLUShasbeendesignedtooffersignificantlyimprovedstrength,handlingandservicelifeandsubsequentlycanprovideamorecosteffectivesolutioncompared to more traditional products.
Theadvantagesofsyntheticfibrewireropereplacementsarewelldocumented,butinclude:
Available in diameters up to 120mm, with corresponding Minimum Break Load of 835T, D12 PLUS is manufactured using UHMPE yarn with Marlow’s standardArmourCoatprotectivefinish.
D12PLUSisavailablewithanumberofalternativematerialgradesofferingdifferentcharacteristicsandchoiceforspecificapplications:
• Size for size replacement for steel wire• 7 times lighter than equivalent wire with equivalent or better
strength• Easy handling – reduces injury due to weight and wire
splinters
• Minimal wear on deck gear• Lowmaintenance,easyinstallandend-forending• Easily spliced, inspected and repaired• Minimal recoil in event of sudden load release
D12 Plus 75 / 78
D12 Plus 90
D12 Plus Maxtech Oceanus Superline
HSSuperline
PESPolyester Braidline
Nylon Braidline
12 Strand PES
12 Strand NYL
12 Strand Polysteel
Dia
met
er
(mm
)
MB
L (T
onne
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)
8 2.68 39.2 1.13 48.4 1.43 40 1.23 29.0
MB
L 0
- 50
Tonn
es
10 4.93 46.1 1.77 75.7 2.23 62.5 1.92 45.3
12 16.5 83.0 19.0 83.0 14.8 83.0 6.25 72.1 2.55 109 3.21 90.0 2.74 65.2
14 20.2 103 23.2 103 18.1 103 8.53 92.6 3.47 148 4.37 123 3.71 88.8
16 23.9 123 27.5 123 21.5 123 10.7 124 8.10 180 6.45 160 4.33 194 5.71 160 4.81 116
18 31.7 165 36.5 165 28.5 165 13.7 155 11.6 280 8.64 210 5.47 246 7.23 203 6.05 147
20 39.7 210 45.7 210 35.7 210 18.6 205 12.9 320 11.5 290 6.83 304 8.67 250 7.4 181
22 47.1 252 54.1 252 42.3 252 21.6 225 15.1 360 8.27 368 10.5 303 8.9 219
MB
L - 5
0 - 2
00 T
onne
s24 50.0 270 57.5 270 44.9 270 29.0 277 18.5 450 14.3 360 9.69 437 12.0 360 10.6 261
28 67.9 375 78.1 375 61.0 375 47.1 390 62.0 458 22.5 550 19.4 490 12.7 595 16.3 490 14.2 355
32 88.7 501 102 501 79.7 501 53.8 491 73.0 671 30.5 770 19.8 779 25.3 640 16.3 777 21.6 640 18.3 464
36 108 625 124 625 97.0 625 67.9 621 93.0 774 36.4 870 26.2 988 31.9 800 20.4 984 27.0 810 22.8 587
40 128 750 147 750 115 750 88.7 777 113 873 46.3 1120 32.4 1220 39.0 990 25.5 1210 32.1 1000 27.9 725
44 146 871 168 871 131 871 108 932 134 1040 58.2 1370 37.8 1470 47.2 1200 30.6 1470 38.2 1210 33.3 877
48 169 1040 194 1040 152 1040 128 1119 164 1380 69.1 1650 45.0 1760 56.0 1430 36.2 1750 45.9 1440 39.3 1040
MB
L - 2
00 -
500
Tonn
es52 189 1160 217 1160 170 1160 194 1730 84.7 2060 53.5 2050 65.5 1680 43.3 2050 54.0 1700 45.7 1220
56 222 1420 255 1420 199 1420 228 1900 95.0 2270 62.1 2380 75.7 1950 48.4 2380 61.2 1970 52.4 1420
60 242 1580 278 1580 217 1580 262 2080 105 2480 71.2 2740 86.4 2230 54.0 2730 68.3 2260 59.4 1630
64 273 1740 314 1740 245 1740 307 2450 118 2800 81.0 3120 98.0 2540 61.2 3110 76.5 2570 67.0 1860
68 301 1990 346 1990 270 1990 343 2650 142 3200 69.1 3974 86.4 2901 75.2 2100
72 342 2240 393 2240 307 2240 379 2850 168 3910 98.0 3950 124 3210 76.5 3930 96.9 3250 83.6 2350
76 380 2490 437 2490 341 2490 427 3160 85.3 4379 118 3621 93.2 2618
MB
L - 5
00 +
Ton
nes80 415 2740 477 2740 373 2740 456 3340 198 4560 124 4870 152 3970 96.9 4860 120 4010 101 2900
88 500 3320 575 3320 449 3320 114 5880 143 4860 121 3510
96 570 3950 656 3950 512 3950 135 6990 173 5780 143 4170
104 645 4640 742 4640 579 4640 163 8210 194 6780 165 4900
112 730 5380 840 5380 656 5380 184 9520 228 7870 192 5680
120 835 6180 960 6180 750 6180 204 10900 255 9030 217 6520
Applications: Winchlines, Mooring Lines, Lifting slings, Seismic Arrays, Escort and Ocean Towing Lines.
For applications in which the high strength of Marlow D12 PLUS is required, but continuous load and therefore creep can become an issue, D12 PLUS 78 is a natural choice.
D12 PLUS 78 has the same strength, weight and elongation characteristics as D12 PLUS and can be used for the same applications. However, by utilizing Dyneema SK78, D12 PLUS 78 exhibits only about 20% of the creep experienced by an equivalent rope manufactured with Dyneema SK75 or other UHMPE fibres.
D12 PLUS 78 is available with all the same coating, splicing and protection options as standard D12 PLUS.
D12
Plu
s 78 Dia: 12mm - 120mm
MBL: 16.5 T - 835 TApplications: Winchlines, Mooring Lines, Lifting slings, Seismic Arrays, Escort and Ocean Towing Lines.
Offering a strength upgrade D12 PLUS 90 offers an approximate 15% strength improvement over standard D12 PLUS and D12 PLUS 78 for applications where strength and diameter are critical.
D12 PLUS 90 is available with all coating, splicing and protection options, except Dyneema’s XBO treatment.
D12
Plu
s 90 Dia: 12mm - 120mm
MBL: 19 T - 960 TApplications: Winchlines, Mooring Lines, Lifting slings, Seismic Arrays, Escort and Ocean Towing Lines.
ManufacturedusingDyneema’slatestDM20fibre,D12PLUSMaxtechexhibits ultra-low creep for deep water and permanent mooringapplications where constant high load causes issues for traditional UHMPEfibres.
D12 PLUS Maxtach utilising Dyneema DM20, delivers industry leading strength, stiffness, durability and longevity in permanent load situations.D
12 P
lus
Max
tech
Dia - 12mm - 120mm MBL: 14.8 T - 750 T
Applications: Riser Teathers (used with a protective cover)
Marlow Oceanus is a high strength, low elongation “Jacketed” rope that is a lightweightalternative tosteelwire. Firmand round inprofile,Oceanushasbeenspecificallydesignedforuseoncaptiveortractionwinchesandforapplicationsinwhichhighwearcanbeanissue.
TheDyneema/Technorablendcover isbondedtothecoretoeliminatecore/coverslipandimprovesabrasionandcutresistance,whilstofferingexcellentgripandprotectionoftheloadbearingcore.Oceanusfloatsandhasexcellentdrumspoolingproperties.
Oceanus uses Dyneema XBO as standard to minimise bend fatigue and increase longevity on high cyclic applications. It is also available in low creep guise using Dyneema SK78.
Oce
anus Dia: 14mm - 48mm
MBL: 8.5 T - 128TApplications: Winchlines, Lifting Lines, Seismic Arrays, Escort and Ocean Towing Lines
Marlow Superline HS is a high strength, low elongation “Jacketed” rope that is a lightweight alternative to steel wire. High strength UHMPE core provides strength equivalent to steel wire.
Firmandroundinprofile,SuperlineHShasapolyesterprotectivejacketasstandardwhichimprovesabrasion,protectstheloadbearingcoreandimprovestherope’scoefficientoffriction.SuperlineHShasexcellentdrumspoolingproperties.
Supe
rline
HS Dia: 28mm - 80mm
MBL: 62T - 456TApplications: Winchlines, Mooring Lines, LNG Mooring, Riser Teathers, Seismic Arrays, Escort and Ocean Towing Lines.
Traditional12-strandpolyester ropesused innumerousapplications. Polyesterhas lowelongationandhigh tenacitywithexcellent flex fatigue. Torquebalancedconstructionwithfirmroundprofile,12-StrandPESiseasilyspliced,andusedforgeneralworkinglines,secondarymooringlines,mooringpendants,and slings and strops.
12-strandisalsoavailableinNylonforgreaterelongationandslightlyhigherstrengthoverequivalent12-StrandPESproducts.
12-S
tran
d Dia: 8mm - 120mmMBL: 1.4T - 240TApplications: Mooring Pendents, Secondary Mooring Lines, General Working Lines, Slings, Strops.
12-strandPolysteelropesoffersimilartenacitytopolyester,butofferasignificantweightreductionandnon-waterabsorptionproperties.Torquebalancedconstructionwithfirmroundprofile,12-StrandPolysteeliseasilyspliced.
12-S
tran
d Po
lyst
eel
Dia: 16mm - 120mmMBL: 4.8T - 217TApplications: Mooring Pendents, Secondary Mooring Lines, General Working Lines, Slings, Strops.
Marlow Braidline offers excellent resistance to damage over traditional single braid constructions. but higher elongation than Superline construction. 12 strand core and 24 plait cover work together in unison to improve strength and offer extended fatigue life.
Marlow Braidline in available in Polyester or Nylon for higher elongation.
Bra
idlin
e Dia: 8mm - 80mmMBL: 8.10T - 152TApplications: Towing, Moorings, Springs, Cable Recovery, Lifting
Superline is also available with traditional polyester core and offers a more cost effective solution for many winching, mooring and towing applications.Supe
rline
PES Dia: 16mm - 80mm
MBL: 8.1 T - 198TApplications: Mooring Pendents, Secondary Mooring Lines, General Working Lines, Slings, Strops.
NEW
Chafe ProtectionTF
HC
hafe
Gua
rd Rubber lined, tubular hose with high tenacity polyester cover. For eye protection and adjustable strength member protection. PT
CC
hafe
Gua
rd Tough and abrasion resistant woven polyester tubular cloth. For eye protection and adjustable strength member protection.
DC
SPr
oTec
h UHMPE braided chafe cover. Eye protection spliced into body of rope or for strength member protection, braided directly on to rope and spliced to secure in position. With or without additional Marlow ArmourCoat protection. M
-Gua
rd Flat braid UHMPE chafe cover. Eye protection spliced into body of rope to secure in position. Allows easy inspection of splice. Available with or without additional Marlow ArmourCoat protection.
Dyn
aGua
rd Double layered UHMPE cloth sewn in place for eye protection or supplied with hook and loop fastening for easy positioning for rope protection.