TTS-4/180 Series Tensioner
4-track system
The MDL TTS-4/180 Series Tensioner is a 51Te – 4-track caterpillar track system for the installation or recovery of flexibles, cables, umbilicals and steel pipe products.
The caterpillar tracks are fitted with ‘V’ shaped pads and operate by gripping the product between the opposing track carriages with failsafe hydraulic cylinders.
Properties
Tensioner
6.15m x 3.5m x 3.55m (LxBxH) - without containment rollers
7.37m x 3.5m x 3.55m (LxBxH) - with containment rollers
Weight (assembled) - 46.9Te without containment rollers, depending on pad configuration
Specification
Operational mode
2 or 4 track mode
Max pull force (idler end)
51Te at 0.07 CoF (4 track mode)
25.5Te at 0.07 CoF (2 track mode)
Product speed
Variable to 900m/hr (at 60Hz) – provided digitally
Tension control
10 – 100% – provided digitally
Product range
50 – 600mm OD (to cover range additional pad sets required)
Track contact length
4.074m
Maximum grip
728Te (4 x 182Te) – provided digitally
Max squeeze/m
44.7Te/m/track
Maximum track opening
800mm (without pads)
Ancillary Equipment
Electro-hydraulic powerpack
5.0m x 2.3m x 2.4m (LxBxH)
Weight – 12Te
Control van
3.0m x 2.4m x 2.5m (LxBxH)
Weight – 4.0Te
Spares container
3.0m x 2.4m x 2.5m (LxBxH)
Weight – 6.0Te
Spreader beam
6.26m x 0.25m x 0.56m (LxBxH)
Hose & Cable Package
20m set from powerpack to tensioner unit
20m power cable from powerpack to control van
20m power cable from powerpack to vessel
Lifting Equipment
1 x lifting rigging set for the tensioner
1 x lifting rigging set for all ancillary equipment
Assumed Conditions
Humidity
Up to 100%
Atmosphere
Marine/high salinity
Power Requirements
Supply 1 (main system)
3 Phase, 440V, 60Hz, 400amp supply at full load
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 product.
In the vertical lay mode two tracks open to load/unload product.
The unit is supplied with a dedicated dual electro-hydraulic powerpack.
Custom track pads can be supplied to suit various products.
Operates in 2 or 4 track mode.
Road transportable or can be shipped by container in component form.
Supplied with quick connect/disconnect hoses.
An electric drive option with EPU is available for purchase.
Facility for data logging can be supplied.
