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Type IV Tether Management System
The Type IV Tether Management System (TMS) has been specially developed to provide an ultra-compact and weight efficient solution. Although it is smaller and lighter than any other current production TMS there is no compromise in the strength of the frame, which remains capable of handling an 8000kg ROV package with 3g rating. It is suitable for all work class ROVs.
The TMS stores and deploys the ROV tether cable so that the ROV motion is decoupled from motions of the main umbilical to the surface vessel. It allows the ROV to operate at a greater operating radius from the deployment point.
The docking box used on the underside of the TMS has a powerful two stage latching action that structurally locks the ROV to the TMS for deployment and recovery through the sea surface.
The top lifting cone can be a PSS standard design or customer specified bullet, to suit an existing A-Frame.
The Type IV TMS has a gentle tether route which will maximize the operating life of any matched tether.
- 4000 m depth rating
- Up to 34 m/min variable tether speed
- Net ROV weight 8000 kg
- Tether line pull 600 kgf
- Up to 750 m tether @ dia. 27 mm
- Gentle tether handling
- Tether load sensing
- Auto-render overload protection
Plan profile is dia. 1800 mm & 1650 mm across flats
Shown with guards removed, but most regular maintenance actions can be performed with guards on
|Tether Diameter:||25-35 mm|
|Capacity (Dia. 27 Mm Tether):||750 m|
|Capacity (Dia. 35 Mm Tether):||440 m|
|Maximum Line Pull (Inner Layer):||600 kgf (adjustable)|
|Depth Rating:||4000 m|
|Haul in Speed (Average):||34 m/min max|
|Weight in Air (Excluding Tether):||1950 kg|
|Maximum Load Rating of Umbilical Connection:||11000 kg (3 g rating-proof load 33000 kg)|
|Maximum Load Rating of ROV Docking Box:||8000 kg (3g rating-proof load 24000 kg)|
|Diameter:||1800 Mm (Including Rubbing Strip)|
|Narrowest Width:||1650 mm|
|Grooved Drum Shell:||Standard|
The specification details are illustrative for marketing purposes only. Actual equipment may be different as a result of product improvement or other reasons. Specific interface and performance information should be reconfirmed at time of order placement.