Overhead Arms

 

A new benchmark has been set for all bottom load arms through Liquip’s “bulletproof” overhead loading arms which provide effortless loading combined with safety, long service life and minimal maintenance.

Liquip’s 4” overhead bottom loading arms are capable of loading at flow rates of up to 2,500 litres per minute and are designed to enable complete cross-over within the API envelope of up to 6 arms in a single bay.

In regions where regulations permit, it is common to load using 3 or 4 arms at a time.

Liquip’s overhead bottom loading arms are fitted with a 2 metre standard length drop hose and varying loading arm heights are accommodated with aluminium or steel drop spools.

Standard length drop hoses enable easier changeover and reduced spare parts inventory for the operating company.

Liquip can also supply loading arm couplers that provide the connection between the tanker and loading arm that are compliant with API RP 1004.

Features & Benefits
  • Easy to install loading arms for left hand, right hand, upward and downward configurations on site. 
  • Quick loading at flow rates of up to 2,500 LPM.
  • Allows for cross over of multiple arms and simultaneous loading of compartments.
  • Easily manoeuvre load arm within the API envelope.
  • Meets API requirements and can be configurated for up to 6 arms in one bay with no need to move tankers to load all compartments. 
  • Superior safety through the use of Liquip’s unique balance assembly swivel design.
  • Simple and safe to adjust & replace.       
  • Can be supplied to suit a range of products including various chemicals and aviation fuel.
  • Balance mechanism is greased for life.
  • Uses Liquip’s unique gas strut “Velvet Touch“ technology for smooth operation over entire stroke of the loading arm 
  • A range of other balance mechanisms options available e.g. torsion spring etc.
  • Standard length S/S heavy duty drop hose for all arms  - reducing site spares inventory.
  • Exceptional durability and minimal servicing requirements thanks to the best-in-class base swivel assembly and overall design
  • Simple loading arm adjustment.

 

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    Technical Information
    General Overhead Loading Arm
    Materials Carbon steel / Aluminium
    Design Pressure 1,000 kPa.
    Test Pressure 1,500 kPa.
    Temperature limits -28°C to +90°C (-18°F to +200°F)  - GFLT seals.
    Range of motion Horizontal 360°, 
    Vertical +15° to -15°.
    Typical Horizontal Spacing 600mm to 650mm
    Typical Vertical Spacing 450mm
    Typical Reach Up to 2000mm
    End connections Balance Mechanism Inlet  - 4” (DN100) 150 lb ANSI RF flange.
    Outlet Coupling API Coupler
    Counter balance type Single or Dual gas struts.
    Maximum coupling pressure 517 kPa working.
    Primary seal materials Viton™ B70 or GFLT. (Others on request).
    Dust seal materials Buna Nitrile, Viton™ B70 or HAN. (Others on request).
    Gasket material Klingerite or Viton™ A. (Others on request).
    Standard Configuration 1.8m or 2m reach. See technical specifications.
    Typical no. of arms per bay 6

    1.8m/2m Reach Bottom Loading Arm

    Arm Size DN100
    Flow Rate Maximum 2,500 LPM
    Design Pressure 1,000 kPa
    Reach 1800 or 2000mm
    Drop Spool Length* Arm #1 0mm
    Arm #2 450mm
    Arm #3 900mm
    Arm #4 1250mm
    Arm #5 1800mm
    Arm #6 2250mm
    Drop Hose Length* 2000mm
    Standard Seals
    Balance Mechanism Viton GFLT product seals and HAN dust seal
    Intermediate and Coupler Swivels*   Viton GFLT product and Viton B dust seal
    API / LYNX Coupler* Viton B / GFLT / Others
    Pipe Gaskets* Klingersil C4430
    Standard Materials
    Balance Mechanism* Cast Steel
    Primary Spool* Aluminium Alloy
    Intermediate and Coupler Swivels* Aluminium Alloy
    Drop Spool* Aluminium Alloy
    Drop Hose* Braided Stainless Steel
    Outlet Spool* Aluminium Alloy
    LYNX Coupler* Aluminium Alloy, Steel, Stainless Steel
    Fasteners* Zinc Plated Steel/Stainless Steel
    Other
    End Connections*   Balance Mechanism To suit ASME DN100 150lb RF Flange
      
    Outlet Coupling  API Coupler
    Documentation (By Request)  Material Certificates, Weld Testing Reports
    Installation & Operation Manual

    Fasteners 

    (typical qty required for LBM800 BOTTOM LOADING ARM as per X750015) (over leaf.)

    Contact Liquip for fastener requirements for other configurations.

    4235 Klinger gasket ANSI for LBM800 (1)
    4892 LBM800 studs (8)
    4248 Klinger gasket from 4” TTMA (7)
    6745 Bolt for 4” TTMA (56)
    6744 Nut for 4” TTMA (56)
    5261 Spring Washer for 4” TTMA (56)
    5288 Flat Washer for 4” TTMA (112)

    *Alternatives Available

    Ordering Information

    Loading arm survey forms are available for users to fill out. Survey forms detail all technical requirements for your loading arm needs. These forms can be downloaded once you login to the Liquip website. Click here to obtain a login.

    Alternatively, you can contact Liquip to receive a loading arm survey form and discuss any specific requirements you may have.

    Associated Equipment
    Riser Pipes   As Required
    Balance Assembly   LBM800 
    Gas Struts   4416 or 3008
    Horizontal Spool     L219A Series
    Intermediate Swivels   VNI-A4VG, VNI-A4AVI 
    Drop Spools   L229A Series or As Required.
    Drop Hoses   5639P
    Drop Hose Covers 3576, 3577, 4683,4748
    Straight Swivels VNS-A4, VNS-A4AVI
    Coupler Swivels VNC-A4VG, VNC-A4AVI, VNC-A4DVG, VNC-A4T
    Spacer Spools VSA4, VSS4
    Butterfly Valves LBV450xxx
    Sightglasses   BF4-SG-25 or BF4-SG-40
    API/Lynx Series Coupler LYNX85xxx, LYNX86xxx


     

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