PROTECTING PEOPLE AND VALUES

Through innovative products, Libra has remained an important supplier to the world’s maritime industry for over 60 years. Ship doors is their primary focus area and the company is one of the world leaders in this sector. Libra supplies all types of vessels with a complete range of doors made of steel, aluminum or composite materials. The most advanced/high-tech ships built today are equipped with Libra doors. The high quality and innovative solutions behind Libra ship doors are the result of close cooperation with their customers. Ensuring safety and protecting property on board are their most important objectives.



DOORS

Libra doors have been developed over many years and thoroughly tested on board vessels of different types. Feedback from experienced mariners has enabled Libra to optimize the functionality and design of all doors.

All doors are in accordance with:

SOLAS regulative  |  Load Lines Conventions, 1966  |  DNV-GL Type approval certificates  |  ABS Type approval certificates  | Co-operation with all other class societies on a project basis


Spraytight

Spraytight doors are entrances to rooms that are not a part of the stability calculations, and shall be tight from the outside. After installation a hose or a chalk test is to be preformed, verified by the classification society, to confirm the tightness.

Weathertight

Weathertight doors are entrances to rooms that are a part of the stability calculations of the vessel, and shall withstand a dynamic pressure from the outside. The strength of the door needs to be the same as the bulkhead it is situated in and is depending on the vessels type, size, and location.

Watertight

Watertight doors are located in watertight bulkheads below freeboard deck and shall withstand a static pressure from both sides. Design pressure for the door is given in meter water head by measuring the distance from the freeboard deck and down to the sill of the door in the most vulnerable damage situation for the vessel.

Interior doors

Light weight accommodation doors produced in lightweight aluminum honeycomb.

Custom made doors

We are used to handle special projects with tough requirements to a high finish and many of our doors are found on Cruise and Yacht vessels around the world.

Automated doors

Fully automated doors with electric or hydraulic operation.



HATCHES

We have a wide range of standard and customized Hatches. All moving parts are in stainless steel and ship owners are offered a special 10 year warranty on all our products. Accessories are in aluminum, stainless steel and plastic.

All hatches can be delivered with certificate from class.


Emergency escape hatches

We supply a wide range of emergency escape hatches in various sizes and materials (steel, aluminum and GRP). Standard sizes for emergency hatches are 23.6" (600mm) x 23.6" (600mm), 23.6" (600mm) x 31.5" (800mm) and 31.5" (800mm) x 31.5" (800mm). However customer sizes are available.

Flush hatches

We supply a wide range of flush hatches in various sizes made out of steel, aluminum or GRP.

Standard hatches

We supply a wide range of standard hatches in various sizes made out of steel, aluminum or GRP.



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For questions or more information please don't hesitate to contact IMTRA at 508-995-7000
or email us at contact@imtra.com