Davit Crane

All cranes are protected for marine applications and are fully load tested in the factory.
Our Marine Cranes have a proven track record for their reliability and rugged construction.

General questionnaire for Cranes : please print and send to us

CRANE ENQUIRY
PURPOSE / TO BE USED FOR
Duty cycle (number of hours per day / per month)
Intermittent / continuous
Installation (landbased / shipbased)
Is Classification Society approval reqd (Yes.No)
If yes, which Society
Man-riding reqd (Yes/No)
Subsea operation (Yes/No)

TYPE OF CRANE
Fixed boom/knuckle boom/telescopic
Is a boom rest reqd (Yes/No)

REACH
Max metres / min metres

LIFT
Tons at max reach
Other lifting positions (yes / no)
If yes, tons at m reach
Hook rating: 1st winch (tons)
2nd winch (tons)
Overloads/ shock loads possible (Yes/No)
If yes, what tonnage

WINCH
Quantity (1 or 2)
Wire speed Winch 1 (m / minute)
Winch 2 (m/ minute)
Wire length Winch 1 (metres)
Winch 2 (metres)
Wire type (spin / **non-spin)
**non-spin - not suggested
Automatic hook-stop required (yes/no)

MAST HEIGHT
Metre height to underneath boom

SLEW
360? continuous or 0 to 270?
SLEW TORQUE
Operational conditions (sea state / calm/harbour/rough seas)
Are side loads expected (yes/no)
If yes, specifiy % of load / degree of angle

MATERIALS
Fittings (stainless steel / electroplated with densotape)
Piping (marinised / stainless steel / electroplated with densotape)
Pins (< 50mm stainless steel standard / steel / > 50mm stainless steel)
Cylinder rods (double chromed / stainless steel)

MANHOLE IN MAST
Yes / no
If yes, open or with door

HYDR. CONTROLS
Separate control panel / platform on crane/ remote control / control on crane mast /
cabin / control house electric

HYDRAULICS
Is existing hydraulic system available (yes / no)
If yes, available pressure (bar / kW of motor)
Available flow(litres / minute)
Is a powerpack reqd (yes / no)
If yes, separate or in mast
Is a tank required (yes / no)
Is a cooler required (yes / no)
Piping (stainless steel / mild steel)

VESSEL POWER
380V / 50Hz / 440V / 60Hz

Other

PAINT REQUIREMENTS
Marine application / land application / close to sea / land
Colour
INSTALLATION BY US
Yes / no

SPECIFIC REQUIREMENTS

ANSWER REQUIRED BY

Davit Crane-All cranes are protected for marine applications and are fully load tested in the factory