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Mantus Marine
Mantus Anchor Swivel
S3
$ 4,755.00
-
Designed by the Disabled
for the Disabled -
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The Strongest Link in Your Chain
The strongest link – the Mantus anchor swivel is stronger than its corresponding Grade 40 chain. (WLL is 1/5 UBS)
Integrated swivel shackle design completely eliminates side loading, making this the safest anchor swivel on the market.
The pin on the chain side of the swivel is the strength-limiting part since the geometry of the chain determines the pin size. The Mantus anchor swivel and shackle is the first to feature an oblong pin to maximize the pin strength. With the aid of computer modeling and physical testing, we truly created a swivel that is the strongest link.
Note the innovative shackle bolt design – no shackle dog! This slim hex head design (with holes for safety wire) offers a slimmer profile making it easier to translate through your bow roller.
- 316 L Stainless Steel body, Precision Cast and Electro-Polished Body and Duplex Stainless Steel Pin
- Pin made from Duplex Stainless Steel and is mechanically polished and electro-polished.
| Chain Size | 1/4 (6 mm) | 5/16 (8 mm) | 3/8 (10 mm) | 7/16 (11 mm) | 1/2 (13 mm) | |
| Recommended swivel model for a given chain size and type | Grade 30 Chain | S1 | S1 | S2 | S2 | S3 |
| Grade 40 Chain(G4 HT) | S1 | S1 | S2 | S3 | S3 | |
| Grade 70 Chain | S1 | S2 | S3 | S3 | NA |
Mantus Anchor Swivel Specifications
SWIVELS ARE AVAILABLE IN THREE SIZES : S1 – S2 – S3 |
||||
SWIVEL MODELS |
S1 |
S2 |
S3 |
|
| Imperial Chain | 1/4 – 5/16 | 5/16 -3/8 | 3/8 -1/2 | |
| Metric Chain | 6mm – 8mm | 8mm – 10 mm | 11 mm – 14 mm | |
| UBS (Ulitmate Breaking Strength) | 15,000 lb/ 6.8 T | 21,700 lb/ 9.8 T | 35,000 lb/ 16 T | |
| These numbers are used to generate the recommendations below | WLL (Working load limit) (Safety Factor 5) | 3000 lb/ 1.5 T | 4,340 lb / 2 T | 7,000 lb / 3.2 T |
PRICE |
$99 |
$127 |
$230 |
|
Swivel Sizing Guide
| Chain Size (in) | 1/4 (6 – 7mm) | 5/16 (8mm) | 3/8 (10mm) | 7/16 (11mm) | 1/2 (13-14mm) | |
| Recommended swivel model for a given chain type and size | Grade 30 Chain | S1 | S1 | S2 | S2 | S3 |
| Grade 40 Chain(G4 HT) | S1 | S1 | S2 | S3 | S3 | |
| Grade 70 Chain | S1 | S2 | S3 | S3 | NA |
Understanding your chain
| Imperial Chain Type | G30 (Proofcoil/BBB) (lb) UBS / WLL / WLL inflated* | G40 HT (lb) UBS / WLL / WLL inflated* | G70 HT (lb) UBS / WLL / WLL inflated* | |
| 1/4 | 5,000 / 1,250 | 7750 / 1,938 / 2,600 | 9,450 / 2,350 / 3,150 | UBS -Ultimate Breaking Strength (lb) WLL – Working Load Limit (lb) WLL Inflated* – Working Load Limit inflated using a a different safety factor than is standard. See note below. |
| 5/16 | 7,600 / 1,900 | 11,600 / 2,900 /3,900 | 14100 / 3,500 / 4,700 | |
| 3/8 | 10,600 / 2,650 | 16,200 / 4,100 / 5,400 | 19800 / 4,950 / 6,600 | |
| 7/16 | NA | 21,600 / 5,400 / 7,200 | 26,250 / 6,560 / 8,750 | |
| 1/2 | 18, 000/ 4,500 | 27,600 / 6,900 / 9,200 | 33,900 / 8,475 / 11,300 | |
| *Grade 40/70 chain types claim inflated working load limit values. Typically, chains working load limit is calculated as 1/4th of the ultimate breaking strength. Published WLL for Grade 70 /Grade 40 chain are calculated using the safety factor of 3, or UBS/3 = WLL. (G4 HT) is only 50% stronger than G30 chain and Grade 70 chain is only 20% stronger than G40 chain and 85% stronger than G30 chain. Thus, WLL values we use to size you with the correct swivel are WLL = UBS/4 regardless of the chain type. For Mantus Swivels, we use a safety factor of 5 when determining the WLL recommendations. | ||||
F.A.Q
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We will send tracking information to the e-mail address associated with your order once the item has shipped. If you have not received your tracking information and it has been over 2 business day, please contact us at (012) 123 - 4567
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