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Bottom Unloading Arms (for Rail Cars)

These Bottom Unloading Arms are specifically designed for unloading rail tank cars carrying hydrocarbons. These arms are equipped with a specially designed unloading coupler that matches the standard bottom unloading valves used on rail tank cars in these regions, ensuring secure and efficient connection.
Bottom Unloading Arms (for Rail Cars)

Bottom Unloading Arms (for Rail Cars) Details

The unloading arm features multiple swivel joints, providing a wide and flexible working range. This design allows easy alignment and connection to the railcar unloading valve, improving operational efficiency and ease of use.

Standard Configuration

  • Right-hand layout, lateral inlet flow with ANSI 150 flange.
  • F-20 inlet swivel in carbon steel with HNBR seals for horizontal rotation.
  • Boom pipe in carbon steel to extend the working area.
  • F-50 style double base swivel in carbon steel horizontal and vertical movement.
  • Compressed spring piston balancing system.
  • Secondary Pipe made of aluminum alloy TTMA flanged.
  • F-40 style aluminum swivel with vertical rotation for coupler connection.
  • Special design coupler to match Russian style rail tank wagon’s bottom loading valve.

Technical Features

Parameter Value 3″ 4″ 6″
Fluid type Hydrocarbons
Working area 4 / 6 meters
Design temperature -40°C / +65°C
Weight (Kg) 130 160 300
Design pressure 6 bar
Test pressure 9 bar

Standards and Regulations

  • Conformity Declaration of current Directive ATEX for Equipment used in Potentially explosive atmospheres.
  • Conformity Declaration of current Directive MACHINERY.
  • Customs Declaration of certification for Russia, Kazakhstan, Belarus, EAC certification.
  • Standard API-ASTM-ANSI-TTMA.

Options Upon Request

  • Materials: low temperature carbon steel, AISI 304 or AISI 316 stainless steel.
  • Seals in HNBR, FFKM, PTFE, FVMQ.
  • Left side inlet / Bottom inlet / PN16 inlet flange.
  • Steam jackets or electrical tracing.
  • Split Type swivels: 3-piece simplified maintenance.
  • Special configuration for extremely low temperatures (-60 / +200 °C).

Accessories

  • Sight glass.
  • Unloading valve proximity switch.
  • Mechanical park.
  • Parking position switch.
  • Stand-post.

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Get in Touch

Whether you require industrial valves, loading arms, mixing equipment or engineered flow solutions, our team is ready to assist with product selection, technical requirements, quotations and project-specific supply.

Call us on

+44 (0) 1782 978341

Email us

elite@eliteflowcontrol.com