20KN Electric Fast Rescue Boat Davit

20KN Electric Fast Rescue Boat Davit Specifications:
1. The Max. working load: 20kN
2. The Max. hoisting load: 20kN
3. The Max. slewing load: 20kN
4. The slewing radius: 4m
5. The Max. slewing angle: ≤330°
6. Stored power slewing angle: ～110°
7. Max. wire capable: 40m
8. Hoisting speed of wire: ≥18m/min
9. Lowering speed of wire: 0～55m/min
Lowering speed-S=(0.4+0.02×H) (according to SOLAS )
Where, S = Lowering speed in m/sec
H = Height in meters from davit head to waterline at the lightest seagoing condition.
10. Slewing speed in stored power driven: 0.4～0.8 r/min
11. Slewing speed in electric power driven: ≥0.25 r/min
12. Type of stored power unit: NXQ2-F40/31.5-H
13. Size of wire: 18×19-16-1770.M.B.L.126kN
14. Total weight: ～3000 kg
15. Source: AC440V, 60Hz, 3P
16. Motor with heater of oil pump）
Type: Y-132S-4-H
Power: 5.5 kW
Class of insulation: F
Protection grade: IP56
Start method: start direct
Standard: IEC
17. Motor with heater of winch
Type: YZ-132M2-4-H
Power: 8.5 kW
Class of insulation: F
Protection grade: IP56
Start method: start direct Standard: IEC
18. Control box
Protection grade: IP56
Control voltage: AC220V, 60Hz
19. Environment temperature：-20℃～ 45℃

SCOPE OF SUPPLY
------A complete set of Single arm slewing type davit
------A complete set of winch
------Pump system and spare parts
------Accumulator
------Limit switch(IP56)
------Control box(IP56)
------Remote control push button box (with cable)(IP56)
------Protection box for remote control push button box (IP56)
------Operating plate for rescue boat/raft
------Spare parts of winch
------Electrical device and spare parts
------Automatic release hook with EC certification
------Base, foundation bolts and nuts
------Boat fall and all necessary rope

Scope of shipyard supply
------Cable on the deck
------Hydraulic oil (ISO VG46)
------Assembly (the davit is installed on offshore)
------Performing on-board test

PAINTING
1. Surface treatment: shot blasting Sa2.5 before primer painting.
2. 1st coat – Jotun Jotamastic 87 grey/Al item code 332ALUD5A and thinner to be use will be no.17
3. 2nd Primer coat – same as above
4. 3rd top coat – Hardtop XP canary yellow code 309 BS 381C,item code OVMBALDUA and thinner to be use will be no.10