TTS-4/450-02 Series Tensioner
4-track system
The MDL TTS-4/450-02 Series Tensioner is a 126Te - 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
8.2m x 5.4m x 5.1m - excl. boltable entry/exit rollers (LxBxH)
9.7m x 5.4m x 5.1m with boltable entry/exit rollers (LxBxH)
Weight
106Te (excl. base frame)
117Te (with base frame)
120Te (with entry/exit roller)
Specification
Operational mode
2- or 4-track mode
Track contact length
5m
Nominal squeeze
1800Te (4 x 450Te)
Nominal squeeze/m/track
90Te/m/track
Nominal pull force (idler end, 4-track mode)
126Te at 0.07 CoF (4-track mode)
63Te at 0.07 CoF (2-track mode)
Product speed (126Te pull)
640m/hr at 126Te (60Hz)
900m/hr at 75Te (60Hz)
Tension control
10 - 100% - provided digitally
Product Capacity
Product range
50 - 610mm
Maximum track opening
968mm (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
4.39m x 0.27m x 0.83m
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, 480V, 60Hz
400amp supply at full load
Design Appraisal
Design appraised in accordance with DNV standards
Additional Information
User-friendly:
- 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 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.
- Operates in 2- or 4-track mode.
- A facility for data logging can be supplied.
- The system features an extended track opening capability of up to 130 degrees, allowing for increased product clearance, improved accessibility, and greater flexibility when handling a wide range of product diameters during operations.
- In the vertical lay mode, two tracks are open to load/unload the product.
Project Focused:
- The unit is supplied with a dedicated dual electro-hydraulic powerpack.
- Supplied with quick-connect/disconnect hoses.
Easily mobilised:
- Road transportable or can be shipped by container in component form.
Optional Extras:
As each project has different requirements, the following optional extras can be supplied with the tensioner:
- Custom track pads can be supplied to suit client product requirements.
- For purchasing the unit can be offered with electric drives.
