API 8C Certified Elevator Links from China Suppliers - High-Strength Factory Forged Drilling Links
Product Types & Design Standards
| Link Type | Manufacturing Standard |
|---|---|
| Weldless Links | API 8A/8C |
| Perfected Links | API 8A/8C |
Links Specification
| Model | Spec | Rated Capacity | Length |
|---|---|---|---|
| Weldless Link | DH150 | 150 short ton | 1800 mm |
| DH250 | 250 short ton | 2700 mm | |
| DH350 | 350 short ton | 3300 mm | |
| DH500 | 500 short ton | 3600 mm | |
| Perfection Link | SH75 | 75 short ton | 1500 mm |
| SH100 | 100 short ton | 1500 mm | |
| SH150 | 150 short ton | 1700 mm |
Product Specifications
1. Material & Processing
Forged from a single ingot with a weldless design and then heat-treated to meet the full requirements of API Spec 8C.
2. Quality Assurance
100% magnetic particle inspection (MPI) for surface cracks and ultrasonic testing (UT) to detect internal flaws.
3. Load Testing
Proof-tested at 2 x rated load for 30 minutes in accordance with API 8C Section 6.2.
4. Deformation Tolerance
Permanent deformation does not exceed 0.1% of eye diameter.
Product Features
1. Wide Load Range
Available in rated capacities from 75 tons to 500 tons, covering a broad range of hoisting requirements.
2. Standards Compliance
All elevator links fully comply with API Spec 8C standards and undergo rigorous certification testing.
3. Full NDT Coverage
Each unit is subject to MPI and UT as part of the standard quality control process.
4. Customization Options
Customized link dimensions and load ratings can be manufactured according to customer specifications.
5. Traceability
Each link in a pair is marked with a unique serial number to ensure full product traceability.
6. Compatibility
Fully compatible with all standard API top drive systems and hook assemblies.
“On a rig in Germany, Takelo’s weldless elevator links helped reduce hoisting downtime by 38% over a five-year period, with zero inspection failures, demonstrating outstanding reliability under continuous heavy-duty use.”
Frequently Asked Questions (FAQ)
What manufacturing standards do your elevator links comply with?
Our weldless and perfected links fully comply with API 8A and API 8C manufacturing standards, ensuring high quality and reliability for drilling operations.
What is the rated capacity range for your elevator links?
We offer a wide load range, with rated capacities starting from 75 short tons for Perfection Links up to 500 short tons for Weldless Links.
How do you ensure the structural integrity of the links?
We provide 100% Non-Destructive Testing (NDT) coverage. Each unit undergoes Magnetic Particle Inspection (MPI) to detect surface cracks and Ultrasonic Testing (UT) to detect any internal flaws.
What are the load testing requirements for your products?
Every link is proof-tested at 2 times its rated load for a duration of 30 minutes, fully strictly in accordance with API 8C Section 6.2 requirements.
Can the elevator links be customized?
Yes, customized link dimensions and load ratings can be manufactured according to specific customer requirements and operational specifications.
Are these links compatible with standard top drive systems?
Absolutely. Our elevator links are fully compatible with all standard API top drive systems and hook assemblies used in the industry.