TTS-4/450 Series Tensioner
4-track system
The MDL TTS-4/450 Series Tensioner is a 162Te - 4 track system for the installation or recovery of flexibles, cables, umbilicals, and steel pipe products.
The tracks are fitted with 'V' shaped pads and operate by gripping the product between opposing track carriages with failsafe hydraulic cylinders.
Properties
Dimensions
7.6m x 4.6m x 4.9m (LxBxH)
Weight (assembled)
116Te
Specification
Operational mode
2 or 4 track mode
Track contact length
5m
Nominal squeeze
1800Te (4 x 450Te)
Nominal squeeze/track
90Te/m
Nominal pull force (idler end, 4-track mode)
162Te at 0.09 CoF
126Te at 0.07 CoF
Product speed (162Te pull)
0 - 500m/hr (at 60Hz)
Product speed (126Te pull)
0 - 640m/hr (at 60Hz)
Tension control
10 - 100% - provided digitally
Product Capacity
Product range
50 - 600mm
Maximum track opening
800mm (minimum)
Ancillary Equipment
Electro-hydraulic powerpack
6.0m x 2.8m x 2.8m (LxBxH)
Weight - 20Te
Control van
3.0m x 2.3m x 2.6m (LxBxH)
Weight - 4.0Te
Spares container
3.0m x 2.2m x 2.6m (LxBxH)
Weight - 6.0Te
Spreader beam
Included
Lifting Equipment
1 x lifting rigging set for the tensioner
1 x lifting rigging set for all ancillary equipment
Hose & Cable Package
25m set from powerpack to tensioner unit
25m power cable from powerpack to contol van
25m power cable from powerpack to vessel
Assumed Conditions
Humidity
Up to 90%
Atmosphere
Marine/high salinity
Power Requirements
Supply 1 (main system)
3 phase, 440V, 60Hz, 630amp supply at full load
Design Appraisal
Design appraised in accordance with DNV standards.
Additional Information
The unit is designed for mounting horizontally on a deck, inclined on a ramp or hung off vertically.The tracks are driven by hydraulic motor/brake/gearbox drive assemblies to deploy or retrieve product.All four track carriages are mounted on the main circular structure which is attached to either the base frame, or a vertical lay system through load cell pins which provide accurate product load information.
In the horizontal or inclined lay mode one track opens to load/unload the product. In the vertical lay mode two tracks open to load/unload the product.
The unit is supplied with a dedicated dual electro-hydraulic powerpack and quick connect/disconnect hoses. It operates in 2 or 4 track mode.
Unit is road transportable or can be shipped by container in component form. Facility for data logging can be supplied.
Note: For purchasing the unit can be offered with electric drives.
