Features and Benefits
- Two flange sizes – 125 mm (5 in) 250 PN (1,500 lb) or 400 PN (2,500 lb) inlet flanges with compact flange connections to match the drill stem connector
- Rotary Joint drive options – Air piston, electric-over-air, hydraulic or electric motor (with VFD)
- Standard dual seal increases reliability with a three-year design life; secondary seal allows six additional months to plan for maintenance
- Integrally cast, single-piece gooseneck and support cage eliminates welds and reduces corrosion.
- Upgrades for legacy Rotary Joint tools
- Convert packing to a dual seal.
- Convert vertical air motor to horizontal motor with right-angle gear.
- Upgrade Unibolt coupling to direct connect RTJ flange with drill stem.
- Convert to integral cast single-piece gooseneck and support cage.
- Add rotary joint stiffeners to bonnet.
- Convert to heavy-duty bearings that further extend service life.
Specifications
API 8A and 8C
- Pressures to: 430 bar (6,230 psi)
- Speeds of 2 to 17 rpm
- Rotates 30 m (100 ft) to 45 m (140 ft) drill stem lengths
- Carries axial hydraulic loads in the magnitude of 190,000 J (140,000 ft-lb) through its main thrust bearing
Industries
• Oil & Gas
• Downstream Processing



