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What is a Loading Arm?

Jun 19, 2025

                                                                                 What is a Loading Arm?

 

A loading arm is a pipe device used in the petroleum industry, chemical industry, ports, etc., for liquid loading and unloading. It features mobility, telescopic flexibility, high safety, and sensitivity.

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Applications and Characteristics

Primarily used in fluid loading/unloading processes within the petrochemical industry, also known as a "fluid loading arm."

Constructed with swivel joints, rigid pipes, and elbow connections to enable the transfer of liquid media between railway/road tank cars and terminal storage pipelines. It replaces outdated hose connections and serves as an ideal specialized equipment in fluid loading/unloading processes.

Applicable in the chemical industry and other sectors for loading/unloading various liquid raw materials.

Structural Composition

A loading arm mainly consists of fixed, slewing, operating, balancing mechanisms, and oil pipelines, including:

 

Swivel joints: Precision-manufactured from forged steel or aluminum alloy, equipped with double-row ball bearings and special stainless steel seals. Features flexible rotation, reliable sealing, and long durability.

Balancing systems: Available in counterweight, torsion spring, compression spring, tension spring, screw-driven, hydraulic, or pneumatic balancing types, all operable with minimal force.

 

 

 

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