G80 Master Links
| Product | Master link |
| Size | G100, G80 |
| Finish | Powder plastified |
- Product Description
Alloy connecting link

| ChainSize (in.) |
Workingload limit (1bs) |
Weight Each (1bs) |
Dimensions (in.) | Dia.hole to Accept link |
||||
| A | B | C | D | E | ||||
| 1/4 | 3250 | .25 | 2.06 | 2.06 | .78 | .78 | .78 | .50 |
| 3/8 | 6600 | .60 | 2.72 | 2.72 | 1.06 | 1.06 | 1.09 | .66 |
| 1/2 | 11250 | 1.25 | 3.34 | 3.34 | 1.28 | 1.28 | 1.41 | .88 |
| 5/8 | 16500 | 2.30 | 3.91 | 3.91 | 1.56 | 1.56 | 1.69 | 1.06 |
| 3/4 | 23000 | 4.00 | 4.84 | 4.84 | 1.97 | 1.97 | 2.00 | 1.19 |
| 7/8 | 28750 | 5.75 | 5.81 | 5.81 | 2.38 | 2.38 | 2.12 | 1.38 |
| 1 | 38750 | 8.00 | 6.48 | 6.48 | 2.84 | 2.84 | 2.55 | 1.47 |
| 11/4 | 57500 | 15.00 | 8.48 | 8.48 | 3.77 | 3.77 | 3.77 | 1.73 |
Alloy connecting link

| ChainSize | Workingload limit(1bs) |
Weight Each (1bs) |
Dimensions (in.) | ||||||
| (in.) | (mm) | A | B | C | D | E | F | ||
| 9/32(1/4) | 7 | .29 | 3500 | .36 | 1.88 | .75 | .81 | .64 | .63 |
| 5/16 | 8 | .67 | 4500 | .42 | 2.13 | .97 | .91 | .69 | .63 |
| 3/8 | 10 | .56 | 7100 | .48 | 2.50 | .50 | 1.06 | .88 | .84 |
| 1/2 | 13 | 1.06 | 12000 | .64 | 3.44 | 3.22 | 1.49 | 1.13 | 1.06 |
| 5/8 | 16 | 2.43 | 18100 | .75 | 4.13 | 3.78 | 1.79 | 1.41 | 1.25 |
| 3/4 | 20 | 4.20 | 28300 | .89 | 4.62 | 4.62 | 1.77 | 1.59 | 1.28 |
| 7/8 | 22 | 6.8 | 34200 | 1.05 | 5.97 | 5.59 | 2.45 | 1.86 | 1.44 |
Grade 80 connecting link,(Hammer Locks)

| Size | Chain size (mm) |
Inside lengtd (mm) |
W.L. (LTON) |
N.W. (kg) |
| 6-8 | 6 | 50 | 1.5 | 0.14 |
| 7/8-8 | 7/8 | 56 | 2.0 | 0.16 |
| 10-8 | 10 | 68 | 3.2 | 0.31 |
| 13-8 | 13 | 88 | 5.4 | 0.65 |
| 16-8 | 16 | 104 | 8.0 | 1.10 |
| 18/20-8 | 18/20 | 125 | 12.6 | 1.80 |
| 22-8 | 22 | 150 | 15.5 | 3.20 |
| 26-8 | 26 | 169 | 20 | 4.50 |
| 32-8 | 32 | 200 | 32 | 9.00 |
Minimum Breaking Load=4 x W.L.L.(Working load limite.)
1.Alloy steel-ouenched and temperd. MBS=4×WLL
2. Indivudually proof tested at 2 times working load limit with certification.
3.Proof test certification shipped with each link.
4.Sizes from 1/2 to 2 are drop forged.
Master Link

| Size (in.) |
Workingload limit(1bs) |
Weight Each (1bs) |
Dimensions (in.) | ||||
| A | B | C | D | E | |||
| 1/2 | 4920 | .82 | .50 | 2.50 | 5.00 | 3.50 | 6.00 |
| 5/8 | 6600 | 1.52 | .63 | 3.00 | 6.00 | 4.25 | 7.25 |
| 3/4 | 10320 | 2.07 | .75 | 2.75 | 5.50 | 4.25 | 7.00 |
| 7/8 | 14300 | 4.20 | .88 | 3.50 | 7.00 | 5.25 | 8.75 |
| 1 | 24360 | 4.85 | 1.00 | 3.50 | 7.00 | 5.50 | 9.00 |
| 1 1/4 | 35160 | 9.57 | 1.25 | 4.38 | 8.75 | 6.88 | 11.25 |
| 1 1/2 | 47800 | 16.22 | 1.50 | 5.25 | 10.50 | 8.25 | 13.50 |
| 1 3/4 | 62520 | 25.22 | 1.75 | 6.00 | 12.00 | 9.50 | 15.50 |
| 2 | 97680 | 37.04 | 2.00 | 7.00 | 14.00 | 11.00 | 18.00 |
1.Self Colored. 2.Forged carbon steel-Quenched and Tempered.
Weldless sling link

| Size (in.) |
Workingload limit(1bs) |
Weight Each (1bs) |
Dimensions (in.) | ||||
| B | C | D | E | F | |||
| 3/8 | 1800 | .23 | 1.13 | .75 | 3.00 | 2.25 | .38 |
| 1/2 | 2900 | .55 | 1.50 | 1.00 | 4.00 | 3.00 | .50 |
| 5/8 | 4200 | 1.06 | 1.87 | 1.25 | 5.00 | 3.75 | .63 |
| 3/4 | 6000 | 1.88 | 2.25 | 1.50 | 6.00 | 4.50 | .75 |
| 7/8 | 8300 | 2.75 | 2.63 | 1.75 | 7.00 | 5.25 | .88 |
| 1 | 10800 | 4.35 | 3.00 | 2.00 | 8.00 | 6.00 | 1.00 |
| 1 1/4 | 16750 | 7.60 | 4.00 | 2.50 | 10.25 | 7.50 | 1.28 |
| 1 3/8 | 20500 | 11.30 | 4.13 | 2.75 | 11.00 | 8.25 | 1.38 |
Minimun Utimate Load is 5 times the Working Load Limit.
Weldless round link

| Size | W.L. (LBS) |
inch | Weight (kgs) |
|
| A | B | |||
| 1/2×2" | 2200 | 1/2 | 2" | 0.23 |
| 5/8×3" | 3300 | 5/8 | 3" | 0.500 |
| 5/8×3-5/16" | 3300 | 5/8 | 3 5/16" | 0.490 |
| 3/4×3" | 5000 | 3/4 | 3" | 0.750 |
| 3/4×4" | 5600 | 3/4 | 4" | 1.100 |
| 7/8×4" | 7200 | 7/8 | 4" | 1.400 |
| 7/8×5"-1/2" | 5600 | 7/8 | 5 1/2" | 1.900 |
| 1×4" | 10800 | 1 | 4" | 1.800 |
| 1×5 1/2" | 10800 | 1 | 5 1/2" | 2.300 |
| 1 1/8×6" | 10400 | 1 1/8 | 6" | 2.800 |
| 1 1/4×5" | 17000 | 1 1/4 | 5" | 3.500 |
| 1 1/4×6" | 17000 | 1 1/4 | 6" | 4.200 |
| 1 1/4×10" | 17000 | 1 1/4 | 10" | 6.200 |
| 1 3/8×6" | 19000 | 1 3/8 | 6" | 5.000 |
| 1 1/2×8" | 25000 | 1 1/2 | 8" | 7.300 |
| 1 1/2×10" | 25000 | 1 1/2 | 10" | 8.44 |
| 2×12" | 35000 | 2 | 12" | 18.200 |
Uitimate Load is 6 times the Working Limit
A-345 Master link assembly (forged main link)

| Weight/kg | WLL/T | B.L/T | A | B | D | a | b | d | s |
| 1.55 | 4.1 | 20.5 | 140 | 70 | 20 | 85 | 40 | 14 | 7.6 |
| 3.29 | 8.4 | 42 | 178 | 89 | 25 | 100 | 60 | 18 | 8.4 |
| 7.18 | 14.1 | 70.5 | 220 | 110 | 32 | 100 | 60 | 22 | 13.5 |
| 12.91 | 21.3 | 106.5 | 267 | 135 | 38 | 180 | 100 | 28 | 16.5 |
| 21.25 | 33.3 | 166.5 | 305 | 152 | 45 | 180 | 100 | 35 | 18.5 |
| 30.34 | 40.3 | 201.5 | 356 | 178 | 50 | 180 | 100 | 38 | -- |
A-344 Master link assembly (welded)

| Weight/kg | Gchain(4:1) | Steel(5:1) | A | B | D | S | ||
| WLL/T | B.L/T | WLL/T | B.L/T | |||||
| 0.27 | 1.6 | 6.4 | 1.2 | 6 | 100 | 60 | 12 | 6 |
| 0.38 | 2.76 | 11.04 | 2.2 | 11 | 100 | 60 | 14 | 7.6 |
| 0.85 | 4 | 26 | 3.2 | 16 | 160 | 90 | 18 | 8.4 |
| 1.2 | 6.5 | 26 | 5.2 | 26 | 160 | 90 | 20 | 10.4 |
| 1.63 | 8.2 | 32.8 | 6.5 | 32.5 | 180 | 100 | 22 | 13.5 |
| 2.13 | 11.5 | 46 | 9.2 | 46 | 180 | 100 | 25 | 16.5 |
| 3.81 | 11.8 | 47.2 | 9.4 | 47 | 270 | 140 | 28 | – |
| 5.05 | 16 | 64 | 12.8 | 64 | 270 | 140 | 32 | -- |
Product Description
Connecting links are universal.They can be used together with chain,master links,hooks and other components as well wire ropes.
Connecting links are simple assembled and can be disconnected if required.Taking just a few minutes,the only tools needed are a punch.Connecting links are made from quenched and tempered aloy steel for high tensile strength and wear resistance.
Cupling links have a smooth surface to avoid snagging.The heavy duty retaining bush with ts well protected square-sectioned spring ensures high reliability and safety
Coupling links are available for Working Load Limit from 1.12 to 31.5tonnes.




Brief Introduction of product range:
Dear Customers and Friends
Sipower is a raising brand for Marine Servi ces, and it's agreat honor to introduce you the updated version of ourproduct catalogue.
Marine products and services cover:
* Lashing equi pment
* Lifting equi pment and enginneering
*Rigging gear
* Physical Iashing/welding servi ce on board.
Besides, we could provide one-stop service wi th othermarine accessories, or some consumption for the varietyof vessel s, ship owners and Iogistics parti ci pants.