API 7K Certified Safety Clamps from China Suppliers - High-Strength Alloy Steel Factory for Tubular Operations
WA Series Safety Clamps
WA Safety Clamps: Used for handling flush joint pipes and drill collars, preventing accidental tubular drops during make-up or break-out of drilling equipment.
| Model | Size Range (in) | Total Number of Links |
|---|---|---|
| WA-C | 3-3/4 ~ 4-5/8 | 7 |
| 4-1/2 ~ 5-5/8 | 8 | |
| 5-1/2 ~ 6-5/8 | 9 | |
| 6-1/2 ~ 7-5/8 | 10 | |
| 7-1/2 ~ 8-5/8 | 11 | |
| 8-1/2 ~ 9-5/8 | 12 | |
| 9-1/2 ~ 10-5/8 | 13 | |
| 10-1/2 ~ 11-5/8 | 14 | |
| 11-1/2 ~ 12-5/8 | 15 | |
| 12-1/2 ~ 13-5/8 | 16 | |
| 13-1/2 ~ 14-5/8 | 17 | |
| 14-1/2 ~ 15-5/8 | 18 | |
| WA-T | 1-1/8 ~ 2 | 4 |
| 2-1/8 ~ 3-1/4 | 5 | |
| 3-1/2 ~ 4-1/2 | 6 |
MP Safety Clamps: Adjustable by adding or removing chain links, ideal for handling drill collars and flush joint pipes of varying diameters.
| Type | Pipe O.D (in) | No. of Chain Links |
|---|---|---|
| MP-S | 2-7/8 ~ 4-1/8 | 7 |
| 4 ~ 5 | 8 | |
| MP-R | 4-1/2 ~ 5-5/8 | 7 |
| 5-1/2 ~ 7 | 8 | |
| 6-3/4 ~ 8-1/4 | 9 | |
| 8 ~ 9-1/4 | 10 | |
| 9-1/4 ~ 10-1/2 | 11 | |
| MP-M | 10-1/2 ~ 11-1/2 | 12 |
| 11-1/2 ~ 12-1/2 | 13 | |
| 12-1/2 ~ 13-5/8 | 14 | |
| 13-5/8 ~ 14-3/4 | 15 | |
| 14-3/4 ~ 15-7/8 | 16 | |
| MP-L | 15-7/8 ~ 17 | 17 |
| 17 ~ 18-1/2 | 18 | |
| 18-1/8 ~ 19-3/8 | 19 | |
| MP-XL | 19-3/8 ~ 20-3/8 | 19 |
| 20-3/8 ~ 21-1/2 | 20 | |
| 21 ~ 22-5/8 | 21 | |
| 22-5/8 ~ 23-3/4 | 22 | |
| 23-3/4 ~ 24-7/8 | 23 | |
| 24-7/8 ~ 26 | 24 | |
| 26 ~ 27-1/8 | 25 | |
| 29-3/8 ~ 30-1/2 | 28 | |
| 35 ~ 36-1/8 | 33 |
Safety Clamp Features
High strength alloy steel with controlled heat treatment for optimal toughness and wear resistance.
Multi-link chain structure distributes radial load evenly, reducing stress concentration and surface damage on tubulars.
All clamps undergo proof-load testing and dimensional verification to ensure API Spec 7K compliance.
Adjustable configurations accommodate a wide operational range without sacrificing grip security.
Frequently Asked Questions (FAQ)
What are WA Series Safety Clamps primarily used for?
WA Safety Clamps are primarily used for handling flush joint pipes and drill collars. They are essential for preventing accidental tubular drops during the make-up or break-out processes of drilling equipment.
How do you adjust the MP Safety Clamps for different pipe sizes?
MP Safety Clamps feature a highly adaptable design. They can be easily adjusted to fit flush joint pipes and drill collars of varying diameters simply by adding or removing individual chain links.
What materials are used in the construction of these safety clamps?
These safety clamps are manufactured from high-strength alloy steel. They undergo controlled heat treatment processes to guarantee optimal toughness, durability, and wear resistance in harsh drilling environments.
Do these safety clamps comply with industry manufacturing standards?
Yes, all safety clamps are subjected to rigorous proof-load testing and strict dimensional verification to ensure they are fully compliant with API Spec 7K standards.
How does the multi-link chain structure benefit the tubulars?
The multi-link chain structure is designed to distribute radial loads evenly across the pipe's circumference. This significantly reduces stress concentration and prevents surface damage or crushing of the tubulars.
What is the maximum pipe diameter the MP-XL model can accommodate?
The MP-XL model is designed for large-diameter applications and can accommodate pipe outside diameters up to 36-1/8 inches by utilizing a maximum of 33 chain links.