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Electric-hydraulically powered marine loading arms Double pipelines transit LPG ammonia dangerous media

Categories Marine loading arms
Brand Name: Eminent Tysun
Place of Origin: China
MOQ: 1 set
Payment Terms: L/C, T/T
Supply Ability: 300 Set/year
Delivery Time: 90 day
Model Number: RCEH-D
Certification: OCMIF
Price: price negotiable
Packaging Details: container
SKU: 1000 SET
Gas line diameter: 2”,3”,4”,6”,8”
Liquid line diameter: 4”,6”, 8”,10”,12”,14”,16”,20”
Material: Carbon Steel, Low temperature Carbon steel, Stainless Steel 304L, Stainless Steel 316L
Application: LPG, butane,propane,naphtha,propylene,ammonia
Operable in temperatures: –50°C~80°C
Design pressure: 15-40 bar
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    Electric-hydraulically powered marine loading arms Double pipelines transit LPG ammonia dangerous media

    Electric-hydraulic operated marine loading

    unloading arm rotation counterweight type (double lines)RCEH-D



    It incorporates a vapor line to carry the return vapor to the outlet flange. It mainly be used to transit the LPG, ammonia and some dangerous media.


    Nominal diameter:
    Gas line: 2”,3”,4”,6”,8”
    Liquid line: 4”,6”, 8”,10”,12”,14”,16”,20”
    Material: Carbon Steel, Low temperature Carbon steel, Stainless Steel 304L, Stainless Steel 316L
    Application: LPG, butane,propane,naphtha,propylene,ammonia
    Operable in temperatures: –50°C~80°C
    Design pressure: 15-40 bar


    Features:
    1. All pipeline loads are supported by independent supporting structure which bears all major external load and flexible torque.
    2. Using Column type inner arm instead of box type arm to guarantee the minimal wind loads
    3. Counterweight balancing system makes loading arms to balance at any position, balancing inner and outer arms by a moving counterweight.
    4. The seals of swivel joint are easy to change due to the unique structure of swivel joint,the platform is used for the online maintenance of swivel joint.
    5. Easy operation by the help of remote control system and position monitoring system(PMS)


    Components (Accessories):
    1. vacuum connector
    2. Drain connector
    3. Purge system
    4. Safety Ladder
    5. Adjustable support jack
    6.Electro-hydraulic control system
    7. Hydraulic control emergency release system(ERS)
    8.Manual/hydraulic control quick connect/ disconnect coupler (QC/DC)
    9. position monitoring system(PMS)
    10. Over limit sound and light alarm system


    EMINENT TYSUN

    Marine Loading Arm



    Summary

    The marine loading & Unloading arm is designed to transfer fluid and gases between the storage tank and tanker vessels. The marine loading arm is used in wide range of applications from cryogenic ethylene, LNG to high temperature products, also some hazardous and corrosive fluids.


    The loading & Unloading arm is used in chemical, petrochemical, LNG, LPG storage terminals, pharmaceutical, health-care and beverage. It is equipped with inboard arm, outboard arm, vapour recovery system, counterweight pantograph balancing mechanism,ERC(Emergency Release Coupling), QCDC(Quick Connect/Disconnect Coupling), PMS(Position Monitoring System) and visual & audible alarms.
    It can be maneuvered manually, electro-hydraulically depending on size and type of loading arm.


    Design Condition and Data Sheet

    Nominal Diameter : DN100 -DN600 (4”-24”)

    Design Pressure: -0.06 MPa -+10 MPa

    Design temperature: -196℃- +250℃

    Pipe Material: Carbon Steel, Low Temp Carbon Steel, Stainless Steel 304,304L,316,316L

    Wind speed:static: 55m/s operation:16m/s

    Wind power:

    ---at 55m/s: 210Kg/m2

    ---at 16m/s: 15 Kg/m2

    Seismic acceleration parameter:0.2G or 0.3G


    Load Data
    Normally, loading arms can be installed on Jetty and buoy ship directly without any support else. The design and rebuilt for Jetty reference the load from loading arm.
    The representative load of loading arms reference table 1


    reference table 1
    TypeSize of pipeNet weight (T)

    Load from side

    direction (KN)

    Upset Moment

    (KN. m)

    FMDN1504.5775
    FMDN2005.5880
    REDN1506.510100
    REDN2009.025200
    REDN25013.033280
    REDN40036.050800

    Our design engineer will submit the size and load of loading arm to client base on size of jetty, Marine Parameter, vessel data, Meteorological Condition and Environmental Condition.


    Flow rate and pressure

    Normally, the size of pipe and quantity bases on the max. Flow rate of medium and its loading efficiency.


    The loading/unloading flow rate lies on the ability of pump, pipeline of jetty, oil tanker and the characteristic of medium transferred. It will bring vibration and destroy to Loading arm if the flux is over rating data (11m/s).


    The allowable flux of single loading arm
    DiameterAllowable flux(m3/h)DiameterAllowable flux(m3/h)
    DN100(4″)250DN350(14″)3200
    DN150(6″)500DN400(16″)4000
    DN200(8″)1100DN500(20″)6000
    DN250(10″)1750DN600(24″)10000
    DN300(12″)2500

    Standards and code:

    Eminent's Marine Loading Arms are designed and manufactured comply with the OCIMF(Oil Companies International Marine Forum) regulation, BSI 1474, ASTM (American Society for Testing and Materials) and other Chinese and international standards.


    ASTM (American Society for Testing and Materials)

    1. A1 Standard Specification for Carbon Steel Tee Rails
    2. A6/A6M Standard Specification for General Requirements for Rolled Structural Steel Bars, Plates, Shapes, Sheet Piling
    3. A36/A36M Standard Specification for Carbon Structural Steel
    4. A53 Standard Specification for Pipe, Steel, Black and Hot Dipped Zinc-Coated Welded and Seamless
    5. A153/A153M Standard Specification for Zinc Coating (Hot-Dip) on Iron and Steel Hardware
    6. A307 Standard Specification for Carbon Steel Bolts and Studs, 60,000 psi Tensile Strength
    7. A325 Standard Specification for Structural Bolts, Steel, Heat Treated, 120/105 ksi Minimum Tensile Strength
    8. A325M Standard Specification for Structural Bolts, Steel, Heat Treated 830 MPa Minimum Tensile Strength [Metric]
    9. A449 Standard Specification for Hex Cap Screws, Bolts and Studs, Steel, Heat Treated, 120/105/90 ksi Minimum Tensile Strength, General
    10. A490 Standard Specification for Heat Treated Steel Structural Bolts, 150 ksi Minimum Tensile Strength
    11. A490M Standard Specification for High-Strength Steel Bolts Classes 10.9 and 10.9.3,for Structural Steel Joints (Metric)
    12. A500 Standard Specification for Cold-Formed Welded and Seamless Carbon Steel Structural Tubing in Rounds and Shapes
    13. A501 Standard Specification for Hot Formed Welded and Seamless Carbon Steel Structural Tubing
    14. A563 Standard Specification for Carbon and Alloy Steel Nuts
    15. A563M Standard Specification for Carbon and Alloy Steel Nuts (Metric)
    16. A572/A572M Standard Specification for High Strength Low Alloy Columbium Vanadium Steel of Structural Quality
    17. B695 Standard Specification for Coatings of Zinc Mechanically Deposited on Iron And Steel
    18. E329 Standard Practice for Use in the Evaluation, Testing and Inspection Agencies Used in Construction
    19. F436 Standard Specification for Hardened Steel Washers
    20. F436M Standard Specification for Hardened Steel Washers (Metric)
    21. F959 Standard Specification for Compressible Washer Type Direct Tension Indicators for Use With Structural Fasteners
    22. ASME Boiler and Pressure Vessel Code.
    23. ASTM A262: Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steel.
    24. ASTM A435: Standard Specification for Straight Beam Ultrasonic Examination of Steel. Plates.
    25. ASTM A770-86: Standard Specification for Through Thickness Tension Testing of Steel Plates for Special Applications.
    26. ISO 14731 1997: Welding Coordination- Tasks and Responsibilities

    Chinese Code

    1. GB50160-1999:
    2. HG/T21608-96:
    3. SYS298-91:
    4. GB50235-97: < Code for Construction and Acceptance of Industrial Metallic Piping >
    5. GB50236-98: < Code for Construction and Acceptance of Filed equipment and Industrial piping Welding >
    6. GB3323: < Steel Melt Weld Abutting Joint Radiograph and Quality Classification >
    7. GB8163-1999:
    8. SH3405-96: < Steel Butt-Welding Pipe Fittings >
    9. GB1764:
    10. GB8923: < Rust Grade and Preparation Grades of Steel Surface before Application>
    11. ......

    Marine Loading Arms Envelope (Actual drawing see attachments)

    Operating Envelope

    Connection Area:

    The connection area is that volume in space in which the loading arm should be connected to the ship flange. The area results from the min/max. manifold setback and sized of vessel(fully of light)at low or high tide


    Drift area:

    The manifold flange of the tanker can sway or surge for a certain vertical and horizontal displacement in this area, and it is safe for the flange to drift in this area. The area is a part of a sphere and its center of sphere is the swivel joint.


    Warning Area

    Operating personnel will be warned by audio / visual alarms. Product valves on the land and ship side should be closed to interrupt product transfer.


    1.Alarm area

    The alarm area is a cushion area out of the connection area and the drift area, and in this area the arm can not be loaded and unloaded. If the connection flange enters it , the alarm system of the arm can give visual and audio alarm, and the operator should take some measure to make the flange leave out of the area. Stop the hydro-transportation.


    2 If there is DBV/ERS installed in the loading arm, it will close and cut off the connection from vessel when the second grade alarm device start-up, then the loading arm will uplift and lock at a position to avoid the oil vessel continue movement and destroy the loading arm.

















    If you want to know

    (Manually operated marine loading arms) please click http://www.oilgas-equip.com/sale-12406664-manual-operated-marine-loading-arm-for-5-000-tons-300-000-tons-ship-adjustable-support-jack-drain-co.html


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