CHARACTERISTICS
- Can normally be installed without interruption to decoking operations
- Fits within the existing swivel envelope
- Can be adapted to existing crossheads without modification to control limit switches or mechanical stops
- Can easily revise existing connection to the drill stem from a unibolt coupling to a FlangeLok® or equivalent flanged connection
DESIGN CONDITIONS
- Max Torque: 7,500 Nm (5,500 lb ft)
- Max Bearing Load: 65,000 kg (143,000 lbs) @ 15 rpm
- Max Operating Pressure: 420 bar (6,090 psi)
DESIGN FEATURES
Reduced Maintenance:
- Oil reservoir at main gear eliminated
- Potential contamination points eliminated
- Grease lubrication (eliminates oil bath lubrication) at all main points
Improved maintenance features:
- One long-life bearing (13 year B10), instead of the three-bearing design installed in non-Ruhrpumpen design
- Reduction in number of parts and potential leakage paths in comparison to non-Ruhrpumpen designs
- Main Bearing/gear cartridge, can be changed in the field
- Packing cartridges designed for quick replacement
- Cartridge design reduces the number of parts and permits quick repair of the unit on the cutting deck
- This inturn reduces the potential requirement for a crane rental
Drive Flexibility:
Available as electric, hydraulic or pneumatic driven unit.
NOTE: Ruhrpumpen’s Service and Repair Centers can supervise or perform cartridge change out on the cutting deck
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