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If you cannot find the new or used offshore rigs, vessels or equipment of any type, size or make that you are looking for, please send us an email to and we shall offer you.


 

If you cannot find the new or used offshore rigs, vessels or equipment of any type, size or make that you are looking for, please send us an email to and we shall offer you.


60T Offshore Wireluffing Diesel Hydraulic Crane - New
Lattice Boom Offshore Crane - 150 Ton New for Sale
Lattice Boom Offshore Crane - 300 Ton Newbuildings
Electro-Hydraulic Knuckle Boom Offshore Crane - 30T for Sale
Worldoils Oil, Gas and Offshore Marketplace    

Equipment ID   : 1081
Equipment name   : Electro-Hydraulic Knuckle Boom Offshore Crane - 30T for Sale
Category   : Cranes / Lifting equipment
Specifications   : Electro-Hydraulic Knuckle Boom Offshore Crane
30T Knuckle Boom Offshore Crane
30T Crane for offshore vessels for sale

General :
Classification Society : ABS
Design Life : Crane design is based on a lifetime of 20 years
Lift definition(s) :
1. Lifts between vessel and quay side in sheltered waters, i.e. harbor lift,
2. Lifts on vessel’s deck, i.e. internal lift
3. Lifts in open sea over side of vessel to Vessel, i.e. external lift

Technical Data
Slewing Angle : 360º
Slewing Speed : 0~1rpm
Luffing time : 90s Up/down

Main Winch Data :
Lifting Capacity(SWL) : 30T@12M,10T@22M;
Dynamic Factor : 1.40
Working Radius : 6.7m(Min) / 33m(Max)
Main Lifting Speed : 0~15m/min
Lifting Height : 60m
List/trim Condition : According to API 2C rules
Steel Wire Dia : 42mm
Outer Layer,full Load : 30T
Wire Rope : Anti-Twist Type,Galvanized

Aux Winch Data :
Lifting Capacity(SWL) : 5T@33M
Dynamic Factor : 1.40
Working Radius : 6.9m(Min) / 33m(Max)
Main Lifting Speed  : 0~20m/min
Lifting Height : 40m
List/trim Condition : According to API 2C rules
Steel Wire Dia : 17mm
Outer Layer,full Load : 5T
Wire Rope : Anti-Twist Type,Galvanized

Pedestal Diameter(outer) : 2800mm
Pedestal Wall thickness : 25mm

Loading forces to deck structure   :
1. Dynamic overturning moment : 7100KN.m
2. Dynamic vertical force : 1510KN
3. Dynamic horizontal force  : 96KN

Electric Motor
Power Supply : 440V/60Hz/3Ph
Protection Grade : IP55
Insulation Grade : F
Space Heater : 230V/60Hz/1Ph
Power consumption : 250KW

Control System
Operator’s cabin :
1. Right hand side location seen from crane house towards boom tip
2. Access from ladder mounted on the pedestal
3. Mounted on vibration dampeners
4. Made from mild steel material
5. Shot blasted to SA 2.5
6. Colour of top coat as per crane
7. Air condition unit
8. Internal lighting, 2 x 18 W roof mounted above seat
9. Windows
10. Front window
11. 2 Side windows
12. All windows of tempered safety glass

Cabin controls :
1. Main control valve
2. Spring centred control handles
3. Right handle:
Hoisting up / down motion – Y-axis
Luffing up / down motion knuckle jib – X-axis
4. Left handle :
Luffing up / down motion main boom – Y-axis
Slewing right / left motion – X-axis
All motions are of infinite variable (stepless) control from zero to full speed.
5. Control panel with crane safety information :
Mode selection
Load indication with allowable load / radius information
6. Cabin console
 Wiper and washer switches
Heater control and thermostat
7. Warning horn
8. Instruction and name plates in English
9. Dynamic load radius chart

Safety System
Control system
1. Load monitoring system
2. Hook load, i.e. actual load versus permitted load
3. Load cell
4. Load limiting system

All main hydraulic circuits
are protected from over-pressure by relief valves set to
values corresponding to crane’s capacities
1. Overload alarms
2. Emergency stop

Drive system
1. Electric motor
2. Thermistor protection
3. Hydraulic power unit
4. High hydraulic oil temperature alarm / stop
5. Low hydraulic oil level alarm / stop 

Slewing machinery
1. Load holding valve which will hold motion in case of hydraulic pressure drop
2. Fail safe multi-disc brake 

Slew bearing
1. Reputable and recognized Maker
2. Bolts and nuts of high tensile steel
Slew gear
1. Gear with brake, motor and load control valve as one complete unit
2. Internal pinion drive

Luffing machinery
1. Load holding valve which will hold motion in case of hydraulic pressure drop
2. Luffing cylinder(s) designed to reduce speed before reaching end positions

Hoisting machinery
Main winch
1. Manual Overload Protection System (MOPS)
2. Load holding valve which will hold motion in case of hydraulic pressure drop
3. Fail safe multi-disc brake. Brake is spring operated and pressure released
4. 5 turns of wire rope remain on winch drum when all wire rope is paid out
5. Hook stop in upper and lower most positions
Auxiliary winch
1. Overload Protection 
2.Load holding valve which will hold motion in case of hydraulic pressure drop
3. Fail safe multi-disc brake. Brake is spring operated and pressure released

Wire sheaves
1. Fixed wire sheave bracket
2. Double roller bearings
3. Grease nipples

Hydraulic Arrangement
Hydraulic system
1. Open loop system
2. Hydraulic motor(s)

Hydraulic oil tank
1. Integrated in crane
2. Hatch for inspection and cleaning
3. Drain valve
4. Full flow return filter(s), pressure and drain filters for sensitive circuits, eg
pilot and feed circuits
5. Sight glass with temperature indicator
6. Level sensor (switch) for low level alarm and low, low level stop
7. Temperature sensor for cooler control and automatic stop in case of overheating

Hydraulic oil cooler

1. Air cooler; electrically fan driven

Hydraulic lines
1. Pipes:Mild steel material,Painted
2. Pipe fittings: Zinc plated mild steel material.External fittings are painted and
protected by Denso tape or Tectyl against corrosion.
3. Hoses:High rubber quality for best resistance against sunlight and salinity,
Wire breaded for applicable specified hydraulic pressure ratings
4. Hose couplings: Zinc plated mild steel material, External couplings are painted and
protected by Denso tape or Tectyl against corrosion

System cleanliness
1. All components are thoroughly cleaned prior to installation.
2. Cleanliness to NAS level 8

Electric Arrangement
1. Power supply :
Slipring assembly for transfer of electric power to crane’s rotating sections

Electric motor(s) (for applicable zone)
1. Motor rating S6-40 % ID
2. Protection class IP55.
3. Insulation class F.
4. Temperature rise class F.
5. Stillstand heating against condensation
6. Squirrel cage
7. Self-cooling (fan)

Electric motor starter
1. Protection class IP54.
2. Safety door (main isolation) switch
i. Start push button – green colour.
ii. Stop push button – red colour.
iii. Emergency push / pull button – red colour.
iv. Lamps
1. Power on – white colour
2. Running – green colour
3. Stillstand heating – blue colour
v. Stillstand heating control
vi. Thermistor overload protection relay.
vii. Ampere meter
viii. Hour counter

Lighting
1. Light inside operator’s cabin
2. Light inside pedestal
3. Light inside machine room

Communication System
Operator’s cabin installed equipment (preliminary):
1. Alarm horn
2. VHF / UHF
3. Telephone
4. PA-speaker

Surface Treatment
1. External treatment
1. Pedestal, crane house and boom
i. Surface preparation to ISO 8501-1, SA 2.5
ii. First coat zinc rich epoxy primer to 50 µm dry film thickness
iii. Second coat two pack epoxy to 100 µm dry film thickness
iv. Third coat polyurethane finish to 65 µm dry film thickness
v. Total; three coats to 200 µm dry film thickness

Internal treatment

1. Pedestal and crane house
i. Surface preparation to ISO 8501-1, SA 2.5
ii. First coat zinc rich epoxy primer to 40 µm dry film thickness
iii. Second coat two pack epoxy to 75 µm dry film thickness
2.  Oil tank (integrated in crane house)
i. 16.2.2.1 Surface preparation to ISO 8501-1, SA 2.5
ii. 16.2.2.2 First coat zinc rich epoxy primer to 40 µm dry film thickness
3.  Boom

No treatment as fully closed steel box structure.

Lubrication
1. Lubrication
1. Wire sheaves installed on boom.
2. All grease nipples to GB standard.
2. Crane:Fully lubricated for first set of operating hours

Documentation
User Manual :
English language , Adobe PDF file, 3 computer discs.
Paper format is available upon request.

Content :
i. Introduction (general information)
ii. Main data
iii. Technical description
iv. Preparation and installation instructions
v. Operating instructions
vi. Maintenance instructions
vii. Data sheets and spare parts
viii. Parts list and drawings
ix. Certificates are supplied as a separate file

Scope Of Delivery
Crane Body :
1. Pedestal as separate unit:
Internal stiffeners for transportation for pedestal of diameter > 2250 mm and
height > 2150 mm
2. Crane house as separate unit
3. Main boom as separate unit
4. Knuckle boom as separate unit
5. Main winch as separate unit
6. Wire rope as a separate unit
7. Loose gear and various ladders, platforms etc
8. Cylinders as separate units

Price & terms : Please enquire using the email form below.

If you cannot find the vessel, crane, rig or equipment that you need,
please send us an email to mail@worldoils.com stating your
requirements and we shall find it for you.

We can arrange delivery of equipment and towage of rigs and vessels where needed.

The details mentioned above are believed to be accurate but are not guaranteed.

----------------------------------------------------------------------------------------------------
Search words :
Electro Hydraulic Knuckle Boom Offshore Crane for sale
30T Knuckle Boom Offshore Crane
Offshore 30Ton Offshore Knuckle Boom
30Ton Electro-Hydraulic Knuckle Boom Offshore Crane

Offshore Crane for sale - 30Tons
Offshore 30T Crane for offshore vessels for sale
30T Offshore Knuckle Boom Crane for sale

---------------------------------------------------------------------------------------------------

     
Worldoils Oil, Gas and Offshore Marketplace
Worldoils Oil, Gas and Offshore Marketplace - Electro-Hydraulic Knuckle Boom Offshore Crane - 30T for Sale
Images
 
30 ton Electro Hydraulic Knuckle Boom Offshore Crane for Sale
 
Electro Hydraulic Knuckle Boom Offshore Crane
 

Send an email to Worldoils
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For equipment:  Electro-Hydraulic Knuckle Boom Offshore Crane - 30T for Sale
Category:  Cranes / Lifting equipment
Your name:  *
Your company:  *
Your email address:  *
Your phone no.:  *
Your message:  *
Security code:
* (Use capital letters only)

 

The information contained herein is believed to be accurate but has not been verified. This equipment is subject to prior sale and sold “where-is as-is” with no warranties from Worldoils Pte Ltd or the Seller expressed or implied.
Worldoils Oil, Gas and Offshore Marketplace    Worldoils Oil, Gas and Offshore Marketplace


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If you cannot find the new or used offshore rigs, vessels or equipment of any type, size or make that you are looking for, please send us an email to and we shall offer you.

Electro-Hydraulic Knuckle Boom Offshore Crane - 30T for Sale
Worldoils Oil, Gas and Offshore Marketplace    Worldoils Oil, Gas and Offshore Marketplace

Equipment ID   : 1081
Equipment name   : Electro-Hydraulic Knuckle Boom Offshore Crane - 30T for Sale
Category   : Cranes / Lifting equipment
Specifications   : Electro-Hydraulic Knuckle Boom Offshore Crane
30T Knuckle Boom Offshore Crane
30T Crane for offshore vessels for sale

General :
Classification Society : ABS
Design Life : Crane design is based on a lifetime of 20 years
Lift definition(s) :
1. Lifts between vessel and quay side in sheltered waters, i.e. harbor lift,
2. Lifts on vessel’s deck, i.e. internal lift
3. Lifts in open sea over side of vessel to Vessel, i.e. external lift

Technical Data
Slewing Angle : 360º
Slewing Speed : 0~1rpm
Luffing time : 90s Up/down

Main Winch Data :
Lifting Capacity(SWL) : 30T@12M,10T@22M;
Dynamic Factor : 1.40
Working Radius : 6.7m(Min) / 33m(Max)
Main Lifting Speed : 0~15m/min
Lifting Height : 60m
List/trim Condition : According to API 2C rules
Steel Wire Dia : 42mm
Outer Layer,full Load : 30T
Wire Rope : Anti-Twist Type,Galvanized

Aux Winch Data :
Lifting Capacity(SWL) : 5T@33M
Dynamic Factor : 1.40
Working Radius : 6.9m(Min) / 33m(Max)
Main Lifting Speed  : 0~20m/min
Lifting Height : 40m
List/trim Condition : According to API 2C rules
Steel Wire Dia : 17mm
Outer Layer,full Load : 5T
Wire Rope : Anti-Twist Type,Galvanized

Pedestal Diameter(outer) : 2800mm
Pedestal Wall thickness : 25mm

Loading forces to deck structure   :
1. Dynamic overturning moment : 7100KN.m
2. Dynamic vertical force : 1510KN
3. Dynamic horizontal force  : 96KN

Electric Motor
Power Supply : 440V/60Hz/3Ph
Protection Grade : IP55
Insulation Grade : F
Space Heater : 230V/60Hz/1Ph
Power consumption : 250KW

Control System
Operator’s cabin :
1. Right hand side location seen from crane house towards boom tip
2. Access from ladder mounted on the pedestal
3. Mounted on vibration dampeners
4. Made from mild steel material
5. Shot blasted to SA 2.5
6. Colour of top coat as per crane
7. Air condition unit
8. Internal lighting, 2 x 18 W roof mounted above seat
9. Windows
10. Front window
11. 2 Side windows
12. All windows of tempered safety glass

Cabin controls :
1. Main control valve
2. Spring centred control handles
3. Right handle:
Hoisting up / down motion – Y-axis
Luffing up / down motion knuckle jib – X-axis
4. Left handle :
Luffing up / down motion main boom – Y-axis
Slewing right / left motion – X-axis
All motions are of infinite variable (stepless) control from zero to full speed.
5. Control panel with crane safety information :
Mode selection
Load indication with allowable load / radius information
6. Cabin console
 Wiper and washer switches
Heater control and thermostat
7. Warning horn
8. Instruction and name plates in English
9. Dynamic load radius chart

Safety System
Control system
1. Load monitoring system
2. Hook load, i.e. actual load versus permitted load
3. Load cell
4. Load limiting system

All main hydraulic circuits
are protected from over-pressure by relief valves set to
values corresponding to crane’s capacities
1. Overload alarms
2. Emergency stop

Drive system
1. Electric motor
2. Thermistor protection
3. Hydraulic power unit
4. High hydraulic oil temperature alarm / stop
5. Low hydraulic oil level alarm / stop 

Slewing machinery
1. Load holding valve which will hold motion in case of hydraulic pressure drop
2. Fail safe multi-disc brake 

Slew bearing
1. Reputable and recognized Maker
2. Bolts and nuts of high tensile steel
Slew gear
1. Gear with brake, motor and load control valve as one complete unit
2. Internal pinion drive

Luffing machinery
1. Load holding valve which will hold motion in case of hydraulic pressure drop
2. Luffing cylinder(s) designed to reduce speed before reaching end positions

Hoisting machinery
Main winch
1. Manual Overload Protection System (MOPS)
2. Load holding valve which will hold motion in case of hydraulic pressure drop
3. Fail safe multi-disc brake. Brake is spring operated and pressure released
4. 5 turns of wire rope remain on winch drum when all wire rope is paid out
5. Hook stop in upper and lower most positions
Auxiliary winch
1. Overload Protection 
2.Load holding valve which will hold motion in case of hydraulic pressure drop
3. Fail safe multi-disc brake. Brake is spring operated and pressure released

Wire sheaves
1. Fixed wire sheave bracket
2. Double roller bearings
3. Grease nipples

Hydraulic Arrangement
Hydraulic system
1. Open loop system
2. Hydraulic motor(s)

Hydraulic oil tank
1. Integrated in crane
2. Hatch for inspection and cleaning
3. Drain valve
4. Full flow return filter(s), pressure and drain filters for sensitive circuits, eg
pilot and feed circuits
5. Sight glass with temperature indicator
6. Level sensor (switch) for low level alarm and low, low level stop
7. Temperature sensor for cooler control and automatic stop in case of overheating

Hydraulic oil cooler

1. Air cooler; electrically fan driven

Hydraulic lines
1. Pipes:Mild steel material,Painted
2. Pipe fittings: Zinc plated mild steel material.External fittings are painted and
protected by Denso tape or Tectyl against corrosion.
3. Hoses:High rubber quality for best resistance against sunlight and salinity,
Wire breaded for applicable specified hydraulic pressure ratings
4. Hose couplings: Zinc plated mild steel material, External couplings are painted and
protected by Denso tape or Tectyl against corrosion

System cleanliness
1. All components are thoroughly cleaned prior to installation.
2. Cleanliness to NAS level 8

Electric Arrangement
1. Power supply :
Slipring assembly for transfer of electric power to crane’s rotating sections

Electric motor(s) (for applicable zone)
1. Motor rating S6-40 % ID
2. Protection class IP55.
3. Insulation class F.
4. Temperature rise class F.
5. Stillstand heating against condensation
6. Squirrel cage
7. Self-cooling (fan)

Electric motor starter
1. Protection class IP54.
2. Safety door (main isolation) switch
i. Start push button – green colour.
ii. Stop push button – red colour.
iii. Emergency push / pull button – red colour.
iv. Lamps
1. Power on – white colour
2. Running – green colour
3. Stillstand heating – blue colour
v. Stillstand heating control
vi. Thermistor overload protection relay.
vii. Ampere meter
viii. Hour counter

Lighting
1. Light inside operator’s cabin
2. Light inside pedestal
3. Light inside machine room

Communication System
Operator’s cabin installed equipment (preliminary):
1. Alarm horn
2. VHF / UHF
3. Telephone
4. PA-speaker

Surface Treatment
1. External treatment
1. Pedestal, crane house and boom
i. Surface preparation to ISO 8501-1, SA 2.5
ii. First coat zinc rich epoxy primer to 50 µm dry film thickness
iii. Second coat two pack epoxy to 100 µm dry film thickness
iv. Third coat polyurethane finish to 65 µm dry film thickness
v. Total; three coats to 200 µm dry film thickness

Internal treatment

1. Pedestal and crane house
i. Surface preparation to ISO 8501-1, SA 2.5
ii. First coat zinc rich epoxy primer to 40 µm dry film thickness
iii. Second coat two pack epoxy to 75 µm dry film thickness
2.  Oil tank (integrated in crane house)
i. 16.2.2.1 Surface preparation to ISO 8501-1, SA 2.5
ii. 16.2.2.2 First coat zinc rich epoxy primer to 40 µm dry film thickness
3.  Boom

No treatment as fully closed steel box structure.

Lubrication
1. Lubrication
1. Wire sheaves installed on boom.
2. All grease nipples to GB standard.
2. Crane:Fully lubricated for first set of operating hours

Documentation
User Manual :
English language , Adobe PDF file, 3 computer discs.
Paper format is available upon request.

Content :
i. Introduction (general information)
ii. Main data
iii. Technical description
iv. Preparation and installation instructions
v. Operating instructions
vi. Maintenance instructions
vii. Data sheets and spare parts
viii. Parts list and drawings
ix. Certificates are supplied as a separate file

Scope Of Delivery
Crane Body :
1. Pedestal as separate unit:
Internal stiffeners for transportation for pedestal of diameter > 2250 mm and
height > 2150 mm
2. Crane house as separate unit
3. Main boom as separate unit
4. Knuckle boom as separate unit
5. Main winch as separate unit
6. Wire rope as a separate unit
7. Loose gear and various ladders, platforms etc
8. Cylinders as separate units

Price & terms : Please enquire using the email form below.

If you cannot find the vessel, crane, rig or equipment that you need,
please send us an email to mail@worldoils.com stating your
requirements and we shall find it for you.

We can arrange delivery of equipment and towage of rigs and vessels where needed.

The details mentioned above are believed to be accurate but are not guaranteed.

----------------------------------------------------------------------------------------------------
Search words :
Electro Hydraulic Knuckle Boom Offshore Crane for sale
30T Knuckle Boom Offshore Crane
Offshore 30Ton Offshore Knuckle Boom
30Ton Electro-Hydraulic Knuckle Boom Offshore Crane

Offshore Crane for sale - 30Tons
Offshore 30T Crane for offshore vessels for sale
30T Offshore Knuckle Boom Crane for sale

---------------------------------------------------------------------------------------------------

     
Worldoils Oil, Gas and Offshore Marketplace
Worldoils Oil, Gas and Offshore Marketplace - Electro-Hydraulic Knuckle Boom Offshore Crane - 30T for Sale
Images
 
30 ton Electro Hydraulic Knuckle Boom Offshore Crane for Sale
 
Electro Hydraulic Knuckle Boom Offshore Crane
 

To enquire on this equipment, please send an email to

The information contained herein is believed to be accurate but has not been verified. This equipment is subject to prior sale and sold “where-is as-is” with no warranties from Worldoils Pte Ltd or the Seller expressed or implied.
Worldoils Oil, Gas and Offshore Marketplace    Worldoils Oil, Gas and Offshore Marketplace

 

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1500hp Rotary Land Drilling Rigs
2000hp Rotary Land Drilling Rigs
3000hp Rotary Land Drilling Rigs
Workover Land Rigs
Carrier Mounted Land Drilling Rigs
Trailer Mounted Land Drilling Rigs

Oilfield Container Camps

Oil Booster Pump for Wellhead Platforms

Offshore Jackup Rigs
Land Drilling Rigs
Barge  Swamp Rigs

Live Monitoring of Ships and rigs

Remote ship Bunker GFuel Monitoring

Ring Maintenance Software

New Offshore Jackup Rigs

Oil Rig Jobs

Helicopters for Sale, Helicopters for Oil Rig Services


 

If you cannot find the new or used offshore rigs, vessels or equipment of any type, size or make that you are looking for, please send us an email to and we shall offer you.

Electro-Hydraulic Knuckle Boom Offshore Crane - 30T for Sale
Worldoils Oil, Gas and Offshore Marketplace    
Worldoils Oil, Gas and Offshore Marketplace

Equipment ID   : 1081
Equipment name   : Electro-Hydraulic Knuckle Boom Offshore Crane - 30T for Sale
Category   : Cranes / Lifting equipment
 
Specifications  :
Electro-Hydraulic Knuckle Boom Offshore Crane
30T Knuckle Boom Offshore Crane
30T Crane for offshore vessels for sale

General :
Classification Society : ABS
Design Life : Crane design is based on a lifetime of 20 years
Lift definition(s) :
1. Lifts between vessel and quay side in sheltered waters, i.e. harbor lift,
2. Lifts on vessel’s deck, i.e. internal lift
3. Lifts in open sea over side of vessel to Vessel, i.e. external lift

Technical Data
Slewing Angle : 360º
Slewing Speed : 0~1rpm
Luffing time : 90s Up/down

Main Winch Data :
Lifting Capacity(SWL) : 30T@12M,10T@22M;
Dynamic Factor : 1.40
Working Radius : 6.7m(Min) / 33m(Max)
Main Lifting Speed : 0~15m/min
Lifting Height : 60m
List/trim Condition : According to API 2C rules
Steel Wire Dia : 42mm
Outer Layer,full Load : 30T
Wire Rope : Anti-Twist Type,Galvanized

Aux Winch Data :
Lifting Capacity(SWL) : 5T@33M
Dynamic Factor : 1.40
Working Radius : 6.9m(Min) / 33m(Max)
Main Lifting Speed  : 0~20m/min
Lifting Height : 40m
List/trim Condition : According to API 2C rules
Steel Wire Dia : 17mm
Outer Layer,full Load : 5T
Wire Rope : Anti-Twist Type,Galvanized

Pedestal Diameter(outer) : 2800mm
Pedestal Wall thickness : 25mm

Loading forces to deck structure   :
1. Dynamic overturning moment : 7100KN.m
2. Dynamic vertical force : 1510KN
3. Dynamic horizontal force  : 96KN

Electric Motor
Power Supply : 440V/60Hz/3Ph
Protection Grade : IP55
Insulation Grade : F
Space Heater : 230V/60Hz/1Ph
Power consumption : 250KW

Control System
Operator’s cabin :
1. Right hand side location seen from crane house towards boom tip
2. Access from ladder mounted on the pedestal
3. Mounted on vibration dampeners
4. Made from mild steel material
5. Shot blasted to SA 2.5
6. Colour of top coat as per crane
7. Air condition unit
8. Internal lighting, 2 x 18 W roof mounted above seat
9. Windows
10. Front window
11. 2 Side windows
12. All windows of tempered safety glass

Cabin controls :
1. Main control valve
2. Spring centred control handles
3. Right handle:
Hoisting up / down motion – Y-axis
Luffing up / down motion knuckle jib – X-axis
4. Left handle :
Luffing up / down motion main boom – Y-axis
Slewing right / left motion – X-axis
All motions are of infinite variable (stepless) control from zero to full speed.
5. Control panel with crane safety information :
Mode selection
Load indication with allowable load / radius information
6. Cabin console
 Wiper and washer switches
Heater control and thermostat
7. Warning horn
8. Instruction and name plates in English
9. Dynamic load radius chart

Safety System
Control system
1. Load monitoring system
2. Hook load, i.e. actual load versus permitted load
3. Load cell
4. Load limiting system

All main hydraulic circuits
are protected from over-pressure by relief valves set to
values corresponding to crane’s capacities
1. Overload alarms
2. Emergency stop

Drive system
1. Electric motor
2. Thermistor protection
3. Hydraulic power unit
4. High hydraulic oil temperature alarm / stop
5. Low hydraulic oil level alarm / stop 

Slewing machinery
1. Load holding valve which will hold motion in case of hydraulic pressure drop
2. Fail safe multi-disc brake 

Slew bearing
1. Reputable and recognized Maker
2. Bolts and nuts of high tensile steel
Slew gear
1. Gear with brake, motor and load control valve as one complete unit
2. Internal pinion drive

Luffing machinery
1. Load holding valve which will hold motion in case of hydraulic pressure drop
2. Luffing cylinder(s) designed to reduce speed before reaching end positions

Hoisting machinery
Main winch
1. Manual Overload Protection System (MOPS)
2. Load holding valve which will hold motion in case of hydraulic pressure drop
3. Fail safe multi-disc brake. Brake is spring operated and pressure released
4. 5 turns of wire rope remain on winch drum when all wire rope is paid out
5. Hook stop in upper and lower most positions
Auxiliary winch
1. Overload Protection 
2.Load holding valve which will hold motion in case of hydraulic pressure drop
3. Fail safe multi-disc brake. Brake is spring operated and pressure released

Wire sheaves
1. Fixed wire sheave bracket
2. Double roller bearings
3. Grease nipples

Hydraulic Arrangement
Hydraulic system
1. Open loop system
2. Hydraulic motor(s)

Hydraulic oil tank
1. Integrated in crane
2. Hatch for inspection and cleaning
3. Drain valve
4. Full flow return filter(s), pressure and drain filters for sensitive circuits, eg
pilot and feed circuits
5. Sight glass with temperature indicator
6. Level sensor (switch) for low level alarm and low, low level stop
7. Temperature sensor for cooler control and automatic stop in case of overheating

Hydraulic oil cooler

1. Air cooler; electrically fan driven

Hydraulic lines
1. Pipes:Mild steel material,Painted
2. Pipe fittings: Zinc plated mild steel material.External fittings are painted and
protected by Denso tape or Tectyl against corrosion.
3. Hoses:High rubber quality for best resistance against sunlight and salinity,
Wire breaded for applicable specified hydraulic pressure ratings
4. Hose couplings: Zinc plated mild steel material, External couplings are painted and
protected by Denso tape or Tectyl against corrosion

System cleanliness
1. All components are thoroughly cleaned prior to installation.
2. Cleanliness to NAS level 8

Electric Arrangement
1. Power supply :
Slipring assembly for transfer of electric power to crane’s rotating sections

Electric motor(s) (for applicable zone)
1. Motor rating S6-40 % ID
2. Protection class IP55.
3. Insulation class F.
4. Temperature rise class F.
5. Stillstand heating against condensation
6. Squirrel cage
7. Self-cooling (fan)

Electric motor starter
1. Protection class IP54.
2. Safety door (main isolation) switch
i. Start push button – green colour.
ii. Stop push button – red colour.
iii. Emergency push / pull button – red colour.
iv. Lamps
1. Power on – white colour
2. Running – green colour
3. Stillstand heating – blue colour
v. Stillstand heating control
vi. Thermistor overload protection relay.
vii. Ampere meter
viii. Hour counter

Lighting
1. Light inside operator’s cabin
2. Light inside pedestal
3. Light inside machine room

Communication System
Operator’s cabin installed equipment (preliminary):
1. Alarm horn
2. VHF / UHF
3. Telephone
4. PA-speaker

Surface Treatment
1. External treatment
1. Pedestal, crane house and boom
i. Surface preparation to ISO 8501-1, SA 2.5
ii. First coat zinc rich epoxy primer to 50 µm dry film thickness
iii. Second coat two pack epoxy to 100 µm dry film thickness
iv. Third coat polyurethane finish to 65 µm dry film thickness
v. Total; three coats to 200 µm dry film thickness

Internal treatment

1. Pedestal and crane house
i. Surface preparation to ISO 8501-1, SA 2.5
ii. First coat zinc rich epoxy primer to 40 µm dry film thickness
iii. Second coat two pack epoxy to 75 µm dry film thickness
2.  Oil tank (integrated in crane house)
i. 16.2.2.1 Surface preparation to ISO 8501-1, SA 2.5
ii. 16.2.2.2 First coat zinc rich epoxy primer to 40 µm dry film thickness
3.  Boom

No treatment as fully closed steel box structure.

Lubrication
1. Lubrication
1. Wire sheaves installed on boom.
2. All grease nipples to GB standard.
2. Crane:Fully lubricated for first set of operating hours

Documentation
User Manual :
English language , Adobe PDF file, 3 computer discs.
Paper format is available upon request.

Content :
i. Introduction (general information)
ii. Main data
iii. Technical description
iv. Preparation and installation instructions
v. Operating instructions
vi. Maintenance instructions
vii. Data sheets and spare parts
viii. Parts list and drawings
ix. Certificates are supplied as a separate file

Scope Of Delivery
Crane Body :
1. Pedestal as separate unit:
Internal stiffeners for transportation for pedestal of diameter > 2250 mm and
height > 2150 mm
2. Crane house as separate unit
3. Main boom as separate unit
4. Knuckle boom as separate unit
5. Main winch as separate unit
6. Wire rope as a separate unit
7. Loose gear and various ladders, platforms etc
8. Cylinders as separate units

Price & terms : Please enquire using the email form below.

If you cannot find the vessel, crane, rig or equipment that you need,
please send us an email to mail@worldoils.com stating your
requirements and we shall find it for you.

We can arrange delivery of equipment and towage of rigs and vessels where needed.

The details mentioned above are believed to be accurate but are not guaranteed.

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Worldoils Oil, Gas and Offshore Marketplace
Worldoils Oil, Gas and Offshore Marketplace - Electro-Hydraulic Knuckle Boom Offshore Crane - 30T for Sale
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30 ton Electro Hydraulic Knuckle Boom Offshore Crane for Sale
 
Electro Hydraulic Knuckle Boom Offshore Crane
 

To enquire on this equipment, please send an email to

The information contained herein is believed to be accurate but has not been verified. This equipment is subject to prior sale and sold “where-is as-is” with no warranties from Worldoils Pte Ltd or the Seller expressed or implied.
Worldoils Oil, Gas and Offshore Marketplace    
Worldoils Oil, Gas and Offshore Marketplace

 


 

If you cannot find the new or used offshore rigs, vessels or equipment of any type, size or make that you are looking for, please send us an email to and we shall offer you.


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