Lambda F Box Polymer – Powered by Favuseal™

Lambda F Box Polymer is an insulation system that provides fire protection for valves, flanges, actuators and other equipment.

The Lambda F Box Polymer is fully tested to meet the strictest on- and offshore specifications for oil and gas installations. This system is built up by insulation material and enclosed by stainless steel (AISI 316). The pieces are fastened with toggle clips and locked with security pins. The Lambda F Box Polymer can be equipped with a drain plug as required for top side installations per NORSOK standard, and inspection hatch for easy access to the protected object.

The system has been tested successfully for blast overpressure up to 1,9 bar and jet fire with a heat load up to 350kW/m² (1350°C).

Polymer Based Jetfire Protection

Favuseal is a Polymer based passive fire protection material, which is halogen-free and does not generate corrosive or toxic gases in a fire. The Polymer material is combined with Favuseal X3M Aeorogel technology to achieve superior performance in a fire. 

The Bilfinger Lambda F Box Polymer with Favuseal has been extensively tested  and certified in jet- and hydrocarbon fires to IMO 2010 FTP Code Part 3, ISO 22899-Part 1 and OTI 95634, as well as explosion tests.

Design and Test results

Lambda F Box Polymer is easily installed, and is removable to allow for inspection and maintenance. The toggle clips allow for quick and easy installation without the use of tools. The stainless steel surface is maintenance free, and the inside is lined with Favuseal NKX-6174. In case of a fire, the Favuseal material reacts endothermically from about 170°C, releasing trapped vapour in the polymer, consuming energy to protect the object. In a second reaction at around 700°C the material forms a ceramic compound providing a fire and thermal barrier. The Favuseal material is Hydrophobic, thus providing protection against corrosion under insulation.

The Bilfinger Lambda F Box Polymer with Favuseal has been tested with drain plug and inspection hatch meeting industry best practice design. The Lambda F Box Polymer has been tested and certified with a range of masses and dimensions, allowing interpolation to ensure optimal protection for each object.

 

Completed Tests Results Test Standard Test Institute  Certification
Hydrocarbon fire - ability to withstand constant 1200°C Up to 150 minutes IMO 2010 FTP Code Part 3 SP Fire Research AS (Sintef) DNV GL
Jetfire - 250kW/m2 - equivalent to 0.3kg Propane / second Over 60 minutes ISO 22899-Part 1 SP Fire Research AS (Sintef) DNV GL
Jetfire - 350kW/m2 - ability to withstand 1350°C jetfire Up to 47 minutes Extended OTI
95 634
RISE Fire Research AS (Sintef) Testreport
Explosion Tests Up to 1.9 bar Explosion Tests Gexcon AS Testreport
Acoustic Tests C1 ISO 15665:2003 Peutz Laboratories Testreport
MS Test - test resistance to mechanical stress Passed Internal Internal N/A
Life Cycle Tests Passed 15 Years actual exposure Norner Testreport

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