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Triple Range Chemical Bottom Unloading Arm | Bottom Unloading Arms | Model 2455-BC

Triple Range Chemical Bottom Unloading Arm – Model 2455-BC

The Model 2455-BC Triple Range Chemical Bottom Unloading arm is used for road & rail applications. This model of bottom transfer arm is designed for unloading chemical products from a bottom connection point. This model is mounted directly onto a riser post (this is available on request). This triple range bottom unloading arm is supplied with a with five Swivel Joints for vertical and horizontal positioning. Its range and manoeuvring abilities means it is easy to find and connect to the mating tanker connection. This chemical arm is made as standard in Stainless Steel with a range of seals to suit most medias. More exotic materials are also available on request.

Furthermore the arm also includes, a compression spring balance cylinder for ease of movement, a ball valve with locking device in the closed position, fitted with a vacuum breaker to allow fast drainage. Lastly, the model 2455-BC triple range chemical bottom unloading arm can be manufactured in right or left hand configuration, please advise your requirement with your enquiry.

For more designs, please head to our loading arm page where you can find a range of Loading and Unloading Arms.

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Available Sizes:

2″ / 3″ / 4″


Stainless Steel

Operating Pressure:

Up to 15 Bar

Seal Material:



-15°C / +65°C


Safety breakaway coupling model 4222

Locking device for arm in the parking position

Dry disconnect instead of flange

Standpost and pillow block for supporting the arm

Sight glass

NDT tests (X-Ray)

Alternative designs and specifications for the Model 2455-BC are available on request

Enquiry details


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Bottom Unloading Arm



Chemical, Petrochemical, Other