| Customization: | Available |
|---|---|
| After-sales Service: | Yes |
| Warranty: | Yes |
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The weldless ring is forged from a single piece of high strength alloy steel for maximum tensile strength. Add weight and expand the diameter in key areas so that the ring is stronger. The short eye design allows for better balance and easy operation of the lift, reducing the wear between the eye and the rotating ring. Products are designed and manufactured in accordance with API Spec 8A/8C Drilling and Production Lifting Equipment.
Design safety factor n=2.25~3.
Rated load:75~750USton.
The two ends of the single-arm hanging ring are formed by die forging, and the middle rod is drawn out by free forging.
The forgings undergo special heat treatment.
100% of the products are non-destructive testing.
The single-arm ring has been tested by 1.5 times the rated working load.
The single-arm ring is marked with rated load.
Single arm ring surface coated with finished paint.
Suitable for deep and ultra-deep well drilling operations.
This single arm sling is used in pairs.
SH Double arm rings are an important tool used in the oil and gas and geological drilling sectors for lifting or lowering suspended cranes in drilling operations.
The rings are designed and manufactured according to API specifications.
Single-arm ring length: 1100mm-1800mm.
Rated load: 50t-150t.
Execution standards: API Spec 8A, API Spec 8C, SY5035.
| Ring type | Specification and model | Rated load(ton) | Standard length(mm) |
| Single arm ring | DH150 | 150 | 1800 |
| DH250 | 250 | 2700 | |
| DH350 | 350 | 3300 | |
| DH450 | 450 | 3600 | |
| Double arm ring | SH75 | 75 | 1500 |
| SH100 | 100 | 1500 | |
| SH150 | 150 | 1700 |
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