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Oilfield Derrick Block
Item No.8-591
● Manufactured from high-quality high-tensile steel
● Available in capacities from 2 to 8 tonnes, suitable for wire rope sizes 5/16" to 3/4"
● CE and UKCA Type Approved
● Each block is clearly marked with part number, wire rope size, and Working Load Limit (WLL)
● Permanent traceability code linking directly to test certificates for easy verification
● Supplied with bronze bushings and 3.0"–14" sheaves equipped with pressure lubrication fittings
● Meets or exceeds all requirements of ASME B30.26
● Safety factor: 4:1
● Fatigue rated
● Each component is marked with a batch number, providing full traceability back to raw materials
● Available in capacities from 2 to 8 tonnes, suitable for wire rope sizes 5/16" to 3/4"
● CE and UKCA Type Approved
● Each block is clearly marked with part number, wire rope size, and Working Load Limit (WLL)
● Permanent traceability code linking directly to test certificates for easy verification
● Supplied with bronze bushings and 3.0"–14" sheaves equipped with pressure lubrication fittings
● Meets or exceeds all requirements of ASME B30.26
● Safety factor: 4:1
● Fatigue rated
● Each component is marked with a batch number, providing full traceability back to raw materials
| Item NO. | Compare | Working Load Limit | Sheave Dia. | Bearing Type#ibest*128 | Wire Rope Size | Dimensions | N.W. | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| tonnes | inch | mm | B | E | F | G | L | R | T | kg | |||
| 8-591-0408 | Compare | 4 | 8 | **TB | 10-13 | 34 | 82 | 19 | 226 | 550 | 531 | 19 | 16 |
| 8-591-0810-13 | Compare | 8 | 10 | TB | 10-13 | 64 | 105 | 32 | 276 | 725 | 693 | 32 | 25 |
| 8-591-0810-15 | Compare | 8 | 10 | TB | 13-15 | 64 | 105 | 32 | 276 | 725 | 693 | 32 | 25 |
| 8-591-1214-16 | Compare | 12 | 14 | TB | 16 | 64 | 105 | 32 | 378 | 823 | 791 | 32 | 43 |
| 8-591-1214-19 | Compare | 12 | 14 | TB | 19 | 64 | 105 | 32 | 378 | 823 | 791 | 32 | 43 |
| 8-591-1516-22 | Compare | 15 | 16 | TB | 22 | 80 | 137 | 44 | 433 | 931 | 975 | 39 | 68 |
| 8-591-1516-26 | Compare | 15 | 16 | TB | 26 | 80 | 137 | 44 | 433 | 931 | 975 | 39 | 68 |
| Item NO. | Compare | Working Load Limit | Sheave Dia. | Bearing Type#ibest*128 | Wire Rope Size | Dimensions | N.W. | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| tonnes#ibest*378 | inch#ibest*423 | inch#ibest*425 | B#ibest*138 | E#ibest*374 | F#ibest*164 | G#ibest*141 | L#ibest*150 | R#ibest*145 | T#ibest*153 | lbs#ibest*413 | |||
| 8-591-0408 | Compare | 4 | 8 | **TB | 3/8-1/2 | 1.34 | 3.23 | 0.75 | 8.9 | 21.65 | 20.91 | 0.75 | 35 |
| 8-591-0810-13 | Compare | 8 | 10 | TB | 3/8-1/2 | 2.52 | 4.13 | 1.26 | 10.87 | 28.54 | 27.28 | 1.26 | 55 |
| 8-591-0810-15 | Compare | 8 | 10 | TB | 1/2-5/8 | 2.52 | 4.13 | 1.26 | 10.87 | 28.54 | 27.28 | 1.26 | 55 |
| 8-591-1214-16 | Compare | 12 | 14 | TB | 5/8 | 2.52 | 4.13 | 1.26 | 14.88 | 32.4 | 31.14 | 1.26 | 95 |
| 8-591-1214-19 | Compare | 12 | 14 | TB | 3/4 | 2.52 | 4.13 | 1.26 | 14.88 | 32.4 | 31.14 | 1.26 | 95 |
| 8-591-1516-22 | Compare | 15 | 16 | TB | 7/8 | 3.15 | 5.39 | 1.73 | 17.05 | 36.65 | 38.39 | 1.54 | 150 |
| 8-591-1516-26 | Compare | 15 | 16 | TB | 1 | 3.15 | 5.39 | 1.73 | 17.05 | 36.65 | 38.39 | 1.54 | 150 |