Grovfjord Mek
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Written: 16.04.2009
We have delivered the following to Grovfjord mek

Warping winchtype 1-VA-40-AHB
1 off warping winch type 1-va-40-AHB, produced in aluminium and stainless steel.
Drum in galvanised steel size 52.
Fixed drum with automatic hydraulic multiple-disk brake integrated in gear.
Maneuvre valve fitted on winch.
Drum dimensions:
| D = |
1500 mm |
| d = |
400 mm |
| L = |
1200 mm |
Wire exites from underside of drum.
Drum capasity: 430m Ø 64mm wire
Brake power: 50 tons
Pulling force and pulling speed:
With 230 bar and 117 l/min available, i.e.about 49kW and
variable motor we will have the following pulling force/pulling speed
table:
| |
100% motorvolume |
20% motorvolume |
| |
Maximum force |
Maximum speed |
| Pulling force/speed first layer: |
40 tons/5,2 m/min |
8 tons/26 m/min |
| Pulling force/speed middle layer: * |
19 tons/11m/min |
3,8 tons/55 m/min |
| Pulling force/speed last layer: |
14 tons/15m/min |
2,7 tons/78 m/min |
*5th layer with 200 m wire on drum

Warping winch type 1-VA-10-AHB
1 off warping winch type 1-VA-10-AHB, produced in seawater resistent aluminium and stainless steel.
Fixed drum with automatic hydraulic brake integrated in gear.
Delivered with over centre and maneuvre valve LS
Drum dimensions:
| D = |
300 mm |
| d = |
600 mm |
| L = |
280 mm |
Drum capasity: 60m Ø 28 mm rope
Pulling force and pulling speed:
| Pulling force first layer: |
10 tons at 240 bar |
| Pulling force last layer: |
5,8tons at 240 bar |
| Pulling speed middle layer: |
27 m/min at 130 l/min |
Brake power 15 tons
1 off Capstan type CA- 0,5-320-SM in aluminium and stainless steel.
Dimensions of warping head:
| D = |
410 mm |
| d = |
320 mm |
| l = |
405 mm |
Special measures specified by RS
| Pulling force : |
0,5 t. at 170 bar |
| Pulling speed : |
30 m/min at 12 liter/min |
| Brake power : 1,5 t. |
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Weight: 60 kg
Maneuvre valve for variable LS system.
1 off Capstan type: CA-8,0-DM-AHB.
Produced in sea water resistent aluminium and stainless steel.
Delivered with automatic hydraulic brake for secure loading hold.
Delivered with pedestall for fitting towards deck.
Delivered with over centre valve and maneuvre valve.
Dimensions of warping head:
| D = |
410 mm |
| d = |
320 mm |
| L = |
300 mm |
| Pulling force : |
8,0 tons at 240 bar. |
| Pulling speed : |
20 m/min at 97 litre/min. |
Maneuvre valve for variable LS system.
1 thruster type S-60-80-V80
with propeller output 80 HP at 1450 rpm and 330 bar. 116 litres.
| Propeller: |
D= |
500 mm |
| Propeller jet: |
D= |
536 mm |
1 thruster type S-80-120-V110 with propeller output 120 HP at 1400 rpm and 330 bar. 116 litres
| Propeller: |
D=600 mm |
| Propeller jet: |
D= 640 mm |
Propeller jets in aluminium
Propellers in nickelbronze adjustable from outside.
2 off Maneuvre valve.
For variable system, pressure regulated, electrically activated.
1 off Maneuvre panel:
Main panel with 2 maneuvre handles, control lamps, alarm-horn and on/off switch
for mounting on bridge. Prepared for DP.
The panel also includes the whole hydraulic system with alarms for filterindicator,
level and temperature in tank.
2 off slavepanels with two maneuvre handles in each.
2 of Rexroth A11 VO 130cc Load Sense variable hydraulic pump
With L.S. control for all hydraulics.
Delivered with pressure filter, return filter, security valve, manometer and cooler.
Working pressure 350bar, delivers 2 x 190 l/min at 1500rpm.
1 of Tank accessory:
Inspection glass, and alarms for temperature and level for fitting on tank.
Alarmpanel for temperature/level of tank plus filterindicators from pressure an return filters.
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