Low Profile Loading and Unloading Arms

 

Low profile arms can be used for loading or unloading (gravity or pumped) of rail, aviation and road tankers. Liquip’s low profile arms are designed for use with standard fuels, aviation, oil and chemical products.

Low profile arms can handle flow rates of up to 2,500 litres per minute and are popular for large single compartment tanker loading and unloading such as railcars and aviation bridging tankers.

Liquip’s low profile arms incorporate a minimum of five swivel planes of rotation offering complete flexibility and reach to suit a wide range of operational/loading envelopes.

Low Profile arms are designed to be installed at or near ground level and can be mounted on staggered risers to achieve crossover of multiple arms in a compact space.

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

Recommended products for replacement

Categories
Features & Benefits
  • Versatile low profile design can connect within the standard API envelope, back of a vehicle or underside of a tank.
  • Designed to provide long reach operation whilst being easy to operate/manoeuver.
  • Reduce trip hazards by eliminating the need for hose on the ground. 
  • Compact and safe storage design provides clearance for vehicles and is ideal for where there is limited space.
  • Scissor back design means compact storage and no wasted space.
  • Can be used in sites without a gantry structure in place.
  • Available in a self draining design.
  • Quick loading-unloading at flow rates of up to 2,500 LPM.
  • Provides flexible long range movement.
  • Suitable for gravity or pumped discharge of road and rail tankers, as well as for bottom loading.
  • Swivel design accommodates changes in elevation or tilting. 
  • Uses Liquip’s unique gas strut “Velvet Touch“ technology.
  • Available in a range of materials to suit various fluid transfer applications.
Technical Information

Materials
Carbon steel / Aluminium / (S/S on request)

Design Pressure
1,000 kPa.

Test Pressure
1,500 kPa.

Flow Rates
Typical flow rates are up to 2,500 LPM.

Temperature limits
-28°C to +90°C (-18°F to +194°F)  - GFLT seals.

Range of motion
Horizontal 360°, 
Vertical +15° to -15°.

Typical Low Profile Lengths Reach
5 metres

End connections
Balance Mechanism Inlet  - 4” (DN100)  ASME 150 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 material
Buna Nitrile, or HAN. (Others on request).

Gasket material
Klingerite or Viton™ A. (Others on request).

Product Compatibility
Typical products handled by Low Profile arms include: Diesel, Jet Fuel. Petrol and various chemicals etc.

Typical Envelope

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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

Low Profile loading components

  • Primary arm with base swivel.
  • Balance assembly.
  • Gas struts.
  • Secondary arm.
  • Double plane, coupler swivel assembly.
  • Multiple couplers options.
  • Butterfly valves.
  • Sightglasses.
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