API 7K Certified Safety Clamps for Tubular Operations - Durable Alloy Steel by 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: Manufactured 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.
API Spec 7K Compliance: All clamps undergo strict proof-load testing and dimensional verification to ensure maximum safety.
Adjustable Configurations: Easily accommodates a wide operational range without sacrificing grip security.
Frequently Asked Questions (FAQ)
What are WA Safety Clamps primarily used for?
WA Safety Clamps are primarily used for handling flush joint pipes and drill collars. They are designed to prevent accidental tubular drops during the make-up or break-out processes of drilling equipment.
How do MP Safety Clamps accommodate different pipe sizes?
MP Safety Clamps feature an adjustable design. They can be easily modified by adding or removing chain links, making them ideal for handling drill collars and flush joint pipes of varying diameters.
What material is used to manufacture these safety clamps?
The safety clamps are constructed from high-strength alloy steel. They undergo a controlled heat treatment process to ensure optimal toughness and maximum wear resistance in harsh drilling environments.
How does the multi-link chain structure protect the tubulars?
The multi-link chain structure is designed to distribute the radial load evenly around the pipe. This significantly reduces stress concentration and prevents surface damage or crushing on the tubulars.
Do these safety clamps comply with industry standards?
Yes, all of our safety clamps undergo rigorous proof-load testing and dimensional verification to ensure full compliance with API Spec 7K standards, guaranteeing safe and reliable operation.


