TTS-2/120 Series Tensioner
Top-loading system
The MDL TTS-2/120 Series Tensioner is a 20Te line pull, 2-track top loading system for the installation or recovery of cables, umbilicals and other flexible products.
The caterpillar tracks are fitted with ‘V’ shaped pads and operate by gripping the product between the opposing track carriages with hydraulic cylinders.
Properties
Dimensions
7.7m x 2.3m x 2.3m (LxBxH)
Weight
28.5Te
The unit can be supplied in two standard configurations: as specified here or a shorter, lighter version with a 3.1m track contact length.
Specification
Operation mode (top loading)
2 track mode
Track contact length
4.46m
Max grip
120Te/track
Max squeeze/m
26Te/m
Max pull force (idler end)
20.0Te at 0.09 CoF
16.8Te at 0.07 CoF
Product speed
Variable 0 - 1,200 m/hr (at 60Hz supply)
Tension control
10 – 100%
Product Capacity
Product range
50 – 550mm OD (may require additional track pad sets)
Maximum track opening
700mm
Ancillary Equipment
Control van
3.0m x 2.4m x 2.5m (LxBxH)
Weight – 4.0Te
Electro-hydraulic powerpack
3.5m x 2.3m x 2.4m (LxBxH)
Weight – 6.5Te
Spares container
3.0m x 2.4m x 2.5m (LxBxH)
Weight – 6.0Te
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, 250amp supply at full load
Supply 2 (esd system)
240V, 13amp supply
Additional Information
Tracks driven by hydraulic motor/brake/gearbox drive assembly to deploy or retrieve the product. The two track carriages are mounted in the main structural frame. This is connected to the mounting frame with low shear mounts and load cell pins for accurate product load information.
Both tracks open hydraulically to load/unload product and close to grip the product when operational. The track carriages are mounted on kingpins so that they can pivot if the outside product diameter tapers. Supplied with a dedicated electro–hydraulic powerpack, which drives the track motors and operates the track cylinders. Remote operator’s control panel which can be fitted within an existing control room or dedicated cabin.
Quick connect/release package of interconnecting cables and hoses completes the basic system. Standard and custom track pads can be supplied to suit client product requirements.
Unit is road transportable or can be shipped in 40 foot flat rack containers. Facility for data logging and remote interrogation subject to set-up and bandwidth on-board vessel.
Note: For purchasing the unit can be offered with electric drives.
