TTS-4/310-02 Series Tensioner
4-track system
The MDL TTS-4/310-02 Series Tensioner is a 110Te - 4 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
Dimensions
8.4m x 4.4m x 4.9m (LxBxH)
Weight (assembled)
80.5Te (without pads)
Specification
Operational mode
2 or 4 track mode
Track contact length:
5m
Nominal max squeeze*
1240Te (4 x 310Te)
Nominal squeeze/m/Track*
62Te/m/Track
Nominal pull force (idler end)*
110Te at 0.09 CoF (4-track mode)
85Te at 0.07 CoF (4-track mode)
55Te at 0.09 CoF (2-track mode)
Product speed (4-track at 60Hz)
0 - 750m/hr (at 85Te tension)
0 - 650m/hr (at 110Te tension)
Tension control
10 – 100% – provided digitally
*Can be increased in line with project requirements
Product Capacity
Nominal product range
50 - 610mm
Nominal track opening
963mm without pads
Ancillary Equipment
Electro-hydraulic powerpack
6.0m x 2.8m x 2.8m (LxBxH) Weight – 13Te
Control van
3.0m x 2.3m x 2.5m (LxBxH) Weight – 4.0Te
Spares container
3.0m x 2.2m x 2.6m (LxBxH) Weight – 6.0Te
Spreader beam
4.39m x 0.27m x 0.83m (LxBxH)
Hose & Cable Package
25m set from the powerpack to the tensioner unit
25m power cable from powerpack to control van
25m 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
565amp 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 vertically.
- The tracks are driven by hydraulic motor/brake/gearbox drive assemblies to deploy or retrieve the 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.
- Two tracks pivot open, providing a wide aperture to facilitate passing ends and loading or unloading 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.
- A facility for data logging can be supplied.
