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The design is based on two requirements, which are reliability and ease of use. For the implementation of these parameters, only proven technology and components were used. As a result, this system allows the customer to operate easier and quicker compared with existing systems.
The modularity of the approach ensures different versions without compromising the proven technology.
Key Features
- Seawater depth up to 3.000 m
- Operational interface for torque tool to ISO 13628-8 class 4
- Normal operation torque 1.350 Nm (= max. setting of class 3)
- Emergency break away torque 2.700 Nm (= max. setting of class 4)
- Connection and disconnection at full working pressure possible (also emergency disconnection)
- Hose bundle built by coiled single hoses, wrapped and protected against mechanical damage by 5 mm thick high densitypolyethylene spiral
- HFL bend radius min. 600 mm + 25% for dynamic movement. Central stainless steel wire for pull loads up to 5000 N
- Hose bundle terminated in strain relief flange and single line clamping flange, coupling elements equipped with weldedtubing, bent into position to meet single hoses torsion and torque free
Project-Related Features
- Population of elements (up to 14 elements, see population table)
- Strain relief (according to customer requirements)
- Working pressure up to 69 MPa (10.000 psi), line sizes ¼” – 1”
- Jumper length adapted to customer requirements
- High collapse resistant hoses available (HCR)
- Umbilical with outer sheathing instead of hose bundle with spiral available
Operation Sequence
- Transport and placement of MQC free half by ROV to fixed half and dropping in position
- Prepositioned unit is driven to connect by activation of rotary action of torque tool
- The fine centring and mating of coupling elements is done without further action by the ROV operator
| Hose Specifications |
| Diameter |
Working Pressure WP[MPa,(PSI)] |
Burst Pressure WP[MPa,(PSI)] |
Minimum Bend Radius [mm] |
Weight in Air [kg/m] |
Core Material |
Pressure Reinforcement |
Cover |
| 1/4" |
69 (10.000) |
350 (50.750) |
150 |
0,31 |
Methanol washed PA 11 |
High Strength Wire |
PA 12 black |
| 3/8" |
69 (10.000) |
350 (50.750) |
190 |
0,47 |
Methanol washed PA 11 |
High Strength Wire |
PA 12 black |
| 1/2" |
69 (10.000) |
325 (47.125) |
200 |
0,94 |
Methanol washed PA 11 |
High Strength Wire |
PA 12 black |
| 3/4" |
69 (10.000) |
250 (3.625) |
250 |
1,46 |
Methanol washed PA 11 |
High Strength Wire |
PA 12 black |
| 1" |
56 (8.120) |
225 (3.262) |
300 |
2,00 |
Methanol washed PA 11 |
High Strength Wire |
PA 12 black |
| Selection of Standard Populations |
| Line Size |
Example A [MPa, (PSI)] |
Example B [MPa, (PSI)] |
Example C [MPa, (PSI)] |
| 1/4" |
-- |
-- |
-- |
| 3/8" |
12 x 69 (10.000) |
-- |
6 x 69 (10,000) |
| 1/2" |
2 x 69 (10.000) |
2 x 69 (10.000) |
1 x 69 (10,000) |
| 1/2" |
-- |
4 x 34,5 (5.000) |
2 x 34,5 (5,000) |
| 3/4" |
-- |
2 x 96 (10.000) |
2 x 96 (10,000) |
| 1" |
-- |
-- |
1 x 34,5 (5,000) |
| Total |
14 Way |
8 Way |
12 Way |
Contact one of our sales representatives today
to inquire about a quote from Maxbar - Walther Precision USA
or call us today at 513.527.4100
513.527.4100
