30 t – 1000 m AHC Offshore Subsea Knuckle Boom Crane
✓ Delivery time: 13 months from order
✓ Place of delivery: South East Asia – European OEM
Safe Working Load (SWL), Outreach & Depth
| Mode | Capacity | Outreach | Depth | Notes |
|---|---|---|---|---|
| Subsea Lift | 30 t | 5 m | 1000 m | AHC active |
| Shipboard | 30 t | 7 m | – | |
| Offshore | 15 t | 12 m | – | Dynamic factor 1.3 |
| Harbor | 30 t | 9 m | – | |
| Harbor | 20 t | 12 m | – |
- Working radius: 3.5 – 12 m
- Crane dry weight: ≈ 42 t (without load)
- Delivered in 4 main parts for easy transportation
Main Winch (AHC)
- SWL: 30 t (single fall)
- Hook travel: 1000 m
- Hoisting/lowering speed: 50 m/min (0–30 t)
- AHC / Constant Tension speed: 100 m/min
- Active Heave Compensation: Fully integrated (winch-based, no separate cylinder)
Auxiliary Winch
- Not included (N/A)
Operational Conditions
- Dynamic factor offshore: 1.3 (automatic SWL reduction based on vessel motion)
- Heel/trim: 5° ± 2°
- Ambient temperature: –20 °C to +45 °C
- Hazardous area: Safe zone
Hydraulic System
- Max pressure: 350 bar
- Oil flow: 1200 l/min
- Tank capacity: 2000 l
- Piping: Stainless steel
- Fittings: Denso-protected “NS Fittings”
Electrical System
- Main supply: 690 V / 60 Hz / 3 ph
- Stand-by heating: 230 V / 60 Hz / 1 ph
- Power main motor: ≈ 400 kW
- Power stand-by heating: ≈ 400 W
- Duty class: S6-40
- Starter: Soft-starter (cabinet below deck, yard supply)
- Lights: LED
Surface Treatment – Offshore Standard
- External: SA 2.5 + zinc epoxy 60 µm + MIO 160 µm + PU top coat 60 µm
- Colour: RAL 9016 Traffic White
Certification – DNV ST-0378
- DNV type approval & product certificate
- FAT with full load test witnessed by DNV
- Declaration of Conformity
- Motor & wire certificates included
Yard / Not Included Scope
- Pedestal & pedestal support structure
- Jib rest support structure
- Assembly and installation onboard
- Commissioning / onboard test
