API 7K Certified Safety Clamps for Tubular Operations - High Strength Alloy Steel from China Suppliers and Factory
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
Q:
What are WA Series Safety Clamps used for?
WA Series Safety Clamps are designed for handling flush joint pipes and drill collars. They effectively prevent accidental tubular drops during the make-up or break-out operations of drilling equipment.
Q:
How do MP Safety Clamps adjust to different pipe diameters?
MP Safety Clamps feature a highly adjustable design. You can easily adapt them to handle drill collars and flush joint pipes of varying outer diameters by adding or removing individual chain links.
Q:
What standard do these safety clamps comply with?
All safety clamps undergo rigorous proof-load testing and strict dimensional verification to guarantee full compliance with the API Spec 7K standard.
Q:
What material is used to manufacture the safety clamps?
They are manufactured from high-strength alloy steel that undergoes controlled heat treatment, ensuring optimal toughness, durability, and wear resistance under harsh drilling conditions.
Q:
How does the multi-link chain structure protect tubulars?
The multi-link chain structure is designed to distribute the radial load evenly around the pipe. This reduces stress concentration and prevents surface damage or deformation on the tubulars.