Features and Benefits
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Two flange sizes – The rotary joint is available with 125 mm (5 in) 250 PN (1500 lb) or 400 PN (2500 lb) inlet flanges and with optional 150 mm (6 in) Unibolt® or compact flange connections to match the drill stem connector
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Cast single-piece gooseneck eliminates welds and reduces corrosion
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Rotary joint drive options –
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Air piston motor
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Hydraulic
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E-motor (with VFD)
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Dual Seal
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Increased reliability with a four-year design life
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Switching from the primary seal to the secondary seal allows for planned maintenance in the event of a seal failure
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Simple installation reduces downtime
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Retrofit option for all Flowserve rotary joints
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Rotary joint upgrade options
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Convert packing to seal rings
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Convert vertical air motor to horizontal motor with right angle gear
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Upgrade Unibolt coupling to direct connect with drill stem
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Add second bearing for right angle drive shaft
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Convert to integral gooseneck and support cage
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Add rotary joint stiffeners
Operating Parameters
Two models available:
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Pressures to
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205 bar (3000 psi)
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430 bar (6230 psi)
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Speeds of 2 to 17 rpm
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Rotates 30 m (100 ft) to 45 m (140 ft) drill stem lengths
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Carries axial hydraulic loads in the magnitude of 190 000 J (140 000 ft-lb) through its main thrust bearing
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Seals hydraulic pressure against atmosphere
®Unibolt is a registered trademark of Cameron International Corporation
