Advance Marine offers only the best in offshore cranes, Melcal Marine. These cranes are not marinized, they are designed and manufactured for offshore and marine operations. Every component of every crane is scrutinized for durability in the highly corrosive marine environment. No marine crane manufacturer goes further than Melcal Marine in building cranes that meet all international standards and regulations

Our Melcal offshore and marine cranes are available in a wide range of standard and custom designs. All of our cranes can be designed, built, and certified to any class society requirements: ABS, DNV, LRS, GL, RINA, and others on request.

Melcal Marine’s wide product range covers all marine and offshore applications, from 10 to 2000 mt

Standard Equipment Safety Devices & Accessories:

• Precise 360° rotation by means of slewing
ring and gear motors

• Steel structure made of certified steel
S355 & S690

• Precise stepless speed control

• Simultaneous operation of 2 or more
functions at full speed

• Strong base assembly ready for bolting or
welding to vessel’s main steel structure

• Emergency stop device

• All hydraulic cylinder rods made
with Nikrom 350

• Stainless steel pipes & nuts, grease fittings, steel fasteners, cable trays,
and clamps

• Bushings made of self lubricating bronze

• Pins treated with self lubricating and
anti corrosive materials

• Hand operated emergency pump

• Dead man type lever controls

• Load limiting system for entire
hydraulic system

• Load Holding Valves on all cylinders

• Fail safe brakes & load holding valves on
slewing system

• Standard Melcal Marine corrosion protection

• Full set of documentation and
operation manuals

• All corners and edges rounded to 2 mm
min radius

Melcal Marine Standard Safety Devices

• All functions are adjusted to permitted pressures with relief valves

• Main overpressure valve for the safety of the entire hydraulic system

• Hydraulic overload device/ load limiting device fitted so that all crane functions stop if boom structure is overloaded. When the overload protection system activates, the only movements allowed by the release valve are in a direction that will reduce the overload.

• Luffing cylinder(s) equipped with over center valves

• Slewing gearbox equipped with fail safe disc brakes and brake valves. To prevent any overload due to horizontal forces, the brakes are spring operated and pressure released

• Winch equipped with fail safe disc brakes and brake valves, the brakes are spring operated and pressure released

• “Swivel” hook with bearing complete with safety latch

• Distributor control valve block with dead man type levers for automatic return to neutral position

• Emergency hydraulic stop valve

• Hand operated emergency pump

• Boom angle indicator

• Visual and audible warning alarms

Some of our Accessories

• Power Units (electro-hydraulic or diesel hydraulic) with oil coolers

• Constant tension systems

• Certification for lifting of personnel and man riding winches

• Radio or cable remote control systems

• Special steel for low working temperatures (-40°C): available upon request

• ATEX packages & certification

• Load indicator systems

• MOPS – Manual Overload Protection System

• AOPS – Automatic Overload Protection System

• Flood lights

• Warning & working lights

• Operator cabin, climate controlled

• Centralized greasing system

• Extended pedestal height

• Spare parts kits for requested service intervals

• Other accessories can be added upon request

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