DETRAINMENT
DOORS & SYSTEMS

STRUCTURAL ASSEMBLIES

SPECIALISTS IN THE DESIGN AND MANUFACTURE OF DETRAINMENT DOORS AND SYSTEMS.

TRB has manufactured many of the UK’s Detrainment Doors & Systems currently employed on UK Rolling Stock, for example, the London Overground, Class 378 NLL/ELL Doors.

IRIS, ISO 9001 AND DIN 6701 APPROVED

SAFETY IS KEY

at peak times, when a train is full, it carries hundreds of passengers; therefore, well-designed, engineered and manufactured detainment systems are crucial to facilitating efficient evacuation from the front of the train.

Detrainment systems vary from train to train and can include a hinged, foldable or telescopic ladder or ramp; furthermore, there are several door manufacturing options, such as hinge upwards, plug and slide to the side of the front cab or open outwards. So detrainment doors and systems are not affected by the loss of power to the train; the deployment is manual.

S7 & S8 DOORS

S7 and S8 Doors

The 380 M Doors have a honeycomb leaf fitted with a wiper motor and manual lock. The door is hung in an aluminium frame to allow it to be bolted to the internal pillars using shims to adjust position.
The ladder and bridge plate are fabricated items.
Both train-to-track and train-to-train operations are viable.

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S7 and S8 detrainment doors, ready for fitting.

VLU DOORS

London Underground (TfL) – M Doors and 658 RS Doors

M Doors and 658 RS door leaves are honeycomb bonded assemblies.
The M door has a manual lock. The R&S doors have a drop light window and manual lock.
Both doors are hung in an Aluminium Portal Frame to allow them to be bolted to the internal pillars using shims to adjust position.

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CLASS 378 NLL/ELL DOORS

London Overground – Class 378 NLL/ELL Doors

Class 37 NELL/ELL door is a honeycomb leaf bonded with a GRP front profile to match the cab. The door is a manual plug-and-slide operation.
The door is fitted into a steel frame and bolted in place using shims for adjustment.
The stair is a fabricated construction position behind the door in the gangway.

Retracting the door is done via a manual winch mechanism.

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Repair of Class 378 detrainment door

DEEP TUBE PROGRAM

(TfL) – Siemens Deep Tube Program

The door is a fabricated dual chamber leaf fitted with a window blind, TNI, with grab rails and an electronic lock (for driverless operation).
It is hung in a portal frame to allow it to be bolted to the internal pillars using shims to adjust position.
The ladder and bridge plate are fabricated items using extrusions. 

Both train-to-track and train-to-train operations are viable.

To read more about the project,  click here.

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