Description
Yoke Swivel Hoist Ring Part No. 231 L with extended length Metric Thread with Nut & Washer
A Yoke 231L extended thread swivel hoist ring is suitable when the threaded section needs to pass through a deeper piece of material where a nut needs to be screwed on from the opposite end.
Thread length varies depending on the size of metric thread required
The size required can be determined from the SWL Chart below which shows the different types of lifting arrangements and the total safe working load possible for each hoist ring size
- M8 to M64 Metric Threads
- Rotates through 360° and pivots 180°, and simultaneously allows lifting from any direction.
- Manufactured from forged alloy steel, quenched and tempered.
- Manufactured and tested in accordance with EN1677-1.
- Load rated parts are 100% magnaflux crack detected.
- Individual forged parts and cap screw are traceable to Test Certification.
- Bolts are Metric thread (ASME / ANSI B18.3.1M).
- Proof tested to 2.5 times the WLL.
- Fatigue rated to 1.5 times the WLL.
- All YOKE Lifting points meet or exceed all the requirements of ASME B30.26.
- Quick and simple assembly, just a tapped hole is required.
Proof Load is 2.5 times the Working Load Limit on the 4:1 design factor.
Swivel Hoist Ring uses can be as follows:
- Suited for lifting objects with no obvious attachment points
- Mold and die handling
- Pump and valve handling
231 Data Sheet link below
231 Extended Thread Hoist Ring Specification sheet
DIMENSIONAL SPECIFICATIONS
| Part Code | WLL
t |
Thread
M |
Thread
E |
Pitch
DIN13 |
A
mm |
B
mm |
C
mm |
D
mm |
F
mm |
G
mm |
H
mm |
R
mm |
S
mm |
SW
mm |
Torque
in Nm |
Mass
Kg |
| 8-231-005/105L | 0.5 | M8 | 83 | 1.25 | 33 | 42 | 28 | 11 | 80 | 58 | 23 | 17 | 6 | 13 | 30 | 0.3 |
| 8-231-007/125L | 0.7 | M10 | 103 | 1.5 | 33 | 41 | 29 | 11 | 80 | 58 | 23 | 17 | 6 | 17 | 60 | 0.4 |
| 8-231-010/150L | 1.0 | M12 | 128 | 1.75 | 33 | 40 | 31 | 11 | 80 | 58 | 23 | 17 | 8 | 19 | 100 | 0.4 |
| 8-231-020/185L | 2.0 | M16 | 149 | 2 | 50 | 54 | 46 | 17 | 117 | 90 | 36 | 27 | 10 | 24 | 150 | 1.1 |
| 8-231-030/230L | 3.0 | M20 | 194 | 2.5 | 50 | 52 | 49 | 17 | 117 | 90 | 36 | 27 | 12 | 30 | 250 | 1.4 |
| 8-231-050/265L | 5.0 | M24 | 221 | 3 | 72 | 82 | 59 | 25 | 163 | 125 | 44 | 37 | 14 | 36 | 400 | 3.2 |
| 8-231-078/340L | 7.8 | M30 | 278 | 3.5 | 87 | 94 | 81 | 30 | 204 | 148 | 62 | 46 | 17 | 46 | 500 | 6.3 |
| 8-231-125/300L | 12.5 | M36 | 225 | 4 | 110 | 112 | 98 | 36 | 247 | 188 | 75 | 57 | 22 | 55 | 1000 | 10.9 |
| 8-231-156/350L | 15.6 | M42 | 268 | 4.5 | 110 | 101 | 108 | 36 | 247 | 188 | 83 | 57 | 24 | 65 | 1500 |
SWIVEL HOIST RING LONG BOLT – TYPE 231 WORKING LOAD APPLICATION FACTORS
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| Number of legs | 1 | 2 | 1 | 2 | 2 | 2 | 3-4 | 3-4 | |||
| Load Direction | 0° | 0° | 90° | 90° | 0-45° | 45-60° | unsymm. | 0-45° | 45-60° | unsymm. | |
| Part Code | Thread | WLL tonnes | |||||||||
| 8-231-005/105L | M8 | 0.8 | 1.6 | 0.5 | 1 | 0.7 | 0.5 | 0.5 | 1.1 | 0.8 | 0.5 |
| 8-231-007/125L | M10 | 1.2 | 2.4 | 0.7 | 1.4 | 1 | 0.7 | 0.7 | 1.5 | 1.1 | 0.7 |
| 8-231-010/150L | M12 | 2 | 4 | 1 | 2 | 1.4 | 1 | 1 | 2.1 | 1.5 | 1 |
| 8-231-020/185L | M16 | 3.2 | 6.4 | 2 | 4 | 2.8 | 2 | 2 | 4.2 | 3 | 2 |
| 8-231-030/230L | M20 | 5.6 | 11.2 | 3 | 6 | 4.2 | 3 | 3 | 6.3 | 4.5 | 3 |
| 8-231-050/265L | M24 | 9.2 | 18.4 | 5 | 10 | 7 | 5 | 5 | 10.5 | 7.5 | 5 |
| 8-231-078/340L | M30 | 12 | 24 | 7.8 | 15.6 | 10.9 | 7.8 | 7.8 | 16.4 | 11.7 | 7.8 |
| 8-231-125/300L | M36 | 14 | 28 | 12.5 | 25 | 17.5 | 12.5 | 12.5 | 26.3 | 18.8 | 12.5 |
| 8-231-156/350L | M42 | 16 | 32 | 16.6 | 31.2 | 21.8 | 15.6 | 15.6 | 32.8 | 23.4 | 15.6 |
| 8-231-200/385L | M48 | 20 | 40 | 20 | 40 | 28 | 20 | 20 | 42 | 30 | 20 |
