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Brunvoll Equipment

Resiliently Well-mounted Tunnel Thruster

Resiliently well-mounted tunnel thrusters with bolt-in installation, serviceable without drydocking, for low noise and vibration. 800-3,350 kW, 2,000-2,750 mm propeller diameter, CP or FP propeller.

Description

Brunvoll Resiliently Well-Mounted Tunnel Thrusters are designed for demanding operations. The resilient mounting lowers noise and vibration levels, while the well mounting allows efficient bolt-in installation and service and maintenance without dry-docking the vessel.

Key features

  • Lower noise and vibration than conventional tunnel thrusters; suited for comfort class notations
  • Easy bolt-in installation; serviceable without drydocking
  • Replaceable propeller blade bearing liners
  • Several propeller blade materials and designs; CP and FP propeller options
  • Multiple seal system with Environmentally Acceptable Lubricants (EAL) only at the outer oil-to-sea barriers, reducing the EAL quantity required
  • US EPA Vessel General Permit (VGP) compliant

Technical data

| Model | Propeller diameter (mm) | Power range (kW) |

|---|---|---|

| FW 74 R | 2,000 | 800-1,400 |

| FW 84 R | 2,250 | 1,200-2,000 |

| FW 93 R | 2,500 | 1,400-2,200 |

| FW 105 R | 2,750 | 2,000-3,350 |

Other sizes on request.

System scope

Can be delivered as a complete thruster system including an asynchronous or permanent magnet electric drive motor, starter or VFD, BruCon control, alarm and monitoring system, and BruCon joystick and DP. Motor starting options: direct on-line (DOL), star-delta, auto-transformer, electronic soft starter or frequency converter (6-pulse, 12/24-pulse or active front end); the motor is started with the propeller in zero pitch.

Specifications

MODEL PROPELLER DIAMETER MM POWER RANGE KW
FW 74 R 2 000 800 - 1 400
FW 84 R 2 250 1 200 - 2 000
FW 93 R 2 500 1 400 - 2 200
FW 105 R 2 750 2 000 - 3 350
*Other sizes on request

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