China API 7K-Compliant Slip Manufacturing - Precision Engineered Slips by Trusted Suppliers and Factory
Product Range for Different Applications
Product Features
All critical components are subjected to magnetic particle or ultrasonic testing.
Pressure tests are conducted in compliance with API 7K specifications.
Modular design with interchangeable inserts reduces maintenance time by up to 30%, improving operational efficiency.
SLIPS Specification
| Drill Pipe Slips | |||
| Type | Slip Body Size (in) | Pipe OD (in) | Rated Load (kN) |
| SDS | 3 1/2 | 2 3/8-3 1/2 | 675 |
| 4 1/2 | 3 1/2-4 1/2 | ||
| SDML | 3 1/2 | 2 3/8-3 1/2 | 1125 |
| 4 1/2 | 3 1/2-4 1/2 | ||
| 5 | 4-5 | ||
| 5 1/2 | 4 1/2-5 1/2 | ||
| SDXL | 4 1/2 | 3 1/2-4 1/2 | 2250 |
| 5 | 4-5 | ||
| 5 1/2 | 4 1/2-5 1/2 | ||
| Drill Collar Slips | ||
| Type | Handling OD (in) | Insert Bowl No. |
| DCS-S | 3-4 | API or No.3 |
| 4-4 7/8 | ||
| DCS-R | 4 1/2-6 | |
| 5 1/2-7 | ||
| DCS-L | 6 3/4-8 1/4 | |
| 8-9 1/2 | ||
| 8 1/2-10 | No.2 | |
| 9 1/4-11 1/4 | ||
| 11-12 3/4 | No.1 | |
| 12-14 | ||
| Casing Slips | ||||
| Casing OD (in) | 4 1/2-8 5/8 | 9 5/8-10 3/4 | 11 3/4-13 3/8 | 16-30 |
| Insert Bowl No. | API or No.3 | No.2 | No.1 | Matching Bushing |
| PNEUMATIC CASING ELEVATOR / SLIPS | ||||||
| Model | QD622-450 (API500) | QD340-450 (API500) | QD340-315 (API350) | QD140-135 (API150) | ||
| Applicable Range | mm | 324-622 | 113-340 | 113-340 | 60-139.7 | |
| Rated Load | kN | 4500 | 4500 | 3150 | 1350/900 | |
| Air Pressure | MPa | 0.5-0.9 | 0.5-0.9 | 0.5-0.9 | 0.5-0.9 | |
| Size | Elevator | mm | 1886×1470×1070 | 1390×1290×915 | 1335×1040×806 | 990×730×550 |
| Slip | mm | 1886×1470×970 | 1390×1290×970 | 1335×1040×872 | 810×730×560 | |
| Weight | kg | 12000 | 9900 | 7550 | 1430 | |
Frequently Asked Questions (FAQ)
Our product range includes Drill Pipe Slips, Casing Slips, Drill Collar Slips, Flake Rotary Slips Type W, and Pneumatic Slips to meet various drilling and tubular handling requirements.
We conduct 100% NDT (Non-Destructive Testing) inspection using magnetic particle or ultrasonic testing on all critical components, alongside API 7K hydraulic pressure testing to ensure standard compliance.
The modular design with interchangeable inserts simplifies maintenance and reduces operational downtime by up to 30%, significantly increasing field efficiency.
The rated load capacity is 675 kN for SDS slips, 1125 kN for SDML slips, and 2250 kN for SDXL slips, depending on the slip body size and pipe OD.
Our pneumatic slips are designed for range limits of 60mm to 622mm, with rated loads ranging from 900 kN to 4500 kN, operating under an air pressure of 0.5-0.9 MPa.