VOSTA MK3 Bow Coupling Installation
The bow coupling installation mainly consists of a welded steel frame, which is mounted on the fore trestle of the ship and a hydraulic hoisting winch.
The steel frame contains a hydraulically operated click-in ball joint, dredge line bend, upper roll for the hoisting wire and optionally a rainbow nozzle.
The unit is equipped with an operating panel and a hydraulic control block.
- The bow couplings are typically available for a pressure rating in the range of 10 to 30 bar and for internal pipe size diameter in the range of 350 to 1100 mm.
- The standard delivery includes the male part for the click-in ball joint.
- Standard bow couplings are available in a wide range of sizes.
| Type | Internal diameter pipe [mm] | A [mm]* | B [mm] | C [mm] | D [mm] | |
|---|---|---|---|---|---|---|
| MK3 500 | 500 | 3500 | 4800 | 3100 | 1350 | |
| MK3 600 | 600 | 3500 | 4800 | 3100 | 1350 | |
| MK3 700 | 700 | 4700 | 6900 | 3600 | 1500 | |
| MK3 800 | 800 | 5000 | 7400 | 3800 | 1700 | |
| MK3 900 | 900 | 5500 | 8000 | 4000 | 1800 | |
| MK3 1000 | 1000 | 6000 | 8500 | 4400 | 2000 |
* All sizes are indicative values only.