Windlass manufactures the complete range of Clamps & Hubs in accordance with API 16A
- Clamps allow fast and easy make up even in limited space. All Windlass Clamps have 360° adjustability
- Windlass Clamps reliably connect Hubs and other API connections
- Windlass manufactures Hubs & Clamps with pressure ratings from 2,000 to 20,000 PSI
- Hubs & Clamps are designed & manufactured in accordance with the following specifications:
- Temperature rating (-75°F to + 350° F)
- Physical properties comply with AP116 A requirements
- Windlass manufactures Clamps from No.1 to No. 15
- Type 16B & 16BX Hubs are of the ring joint type and are designed for face to face make-up
Specifications for Hubs
| Pressure Rating | and Size Ranges of Type 16B | and 16 BX Hubs |
|---|
| Pressure Rating (psi) | Type 16 B (inches) | Type 16 BX (inches) |
| 2,000 | 7-1/16″, 16-3/4″, 21-1/4″ | – |
| 3,000 | 11″,13-5/8″, 16-3/4″ | – |
| 5,000 | – | 2-1/16 to 21-1/4″ |
| 10,000 | – | 1-13/16 to 21-1/4″ |
| 15,000 | – | 1-13/16 to 18-3/4″ |
| 20,000 | – | 1-13/16 to 11″ |
Specifications for Clamps
| Clamp | HUB | | Clamp | HUB | | Clamp | HUB | |
|---|
| No. | API Designated Size (Inches) | Working Pressure (PSI) | No. | API Designated Size (Inches) | Working Pressure (PSI) | No. | API Designated Size (Inches) | Working Pressure (PSI) |
| 1 | 1-13/16 | 10,000 | 6 | 2-9/16 | 20,000 | 10 | 4-1/16 | 20,000 |
| 2-1/16 | 5,000 | | 3-1/16 | 15,000 | | 7-1/16 | 10,000 |
| 2 | 1-13/16 | 15,000 | | 4-1/16 | 10,000 | | 9 | 10,000 |
| 2-1/16 | 10,000 | 7 | 5-1/8 | 5,000 | | 11 | 5,000 |
| 2-9/16 | 5,000 | | 5-1/8 | 10,000 | 11 | 13-5/8 | 3,000 |
| 3 | 1-13/16 | 20,000 | 8 | 3-1/16 | 20,000 | 12 | 16-3/4 | 2,000 |
| 2-1/16 | 15,000 | | 4-1/16 | 15,000 | 13 | 13-5/8 | 5,000 |
| 2-1/16 | 20,000 | | 5-1/8 | 15,000 | 14 | 16-3/4 | 3,000 |
| 2-9/16 | 15,000 | | 7-1/16 | 5,000 | 15 | 7-1/16 | 20,000 |
| 4 | 2-9/16 | 10,000 | | 9 | 5,000 | | 11 | 15,000 |
| 3-1/8 | 5,000 | 9 | 11 | 3,000 | | 13-5/8 | 10,000 |
| 5 | 3-1/16 | 10,000 | | | | | | |
| 4-1/16 | 5,000 | | | | | |
