Page 67: of Maritime Reporter Magazine (June 2006)

June 2006 67

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Circle 264 on Reader Service Card mation providing specific engine analy- sis traits to the ship's engineer.

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Wire for HSLA-65 Steel

Hobart Brothers has released the first military approved "HYN" classification flux cored wire for HSLA-65 grade steel (a new high strength, low alloy steel used to construct U.S. Naval ship hulls).

Specially formulated to provide high strength welds on critical applications, the new Tri-Mark TM-71 HYN gas- shielded flux cored wire exceeds the extremely stringent welding standards established by the U.S. Navy.

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SBS Fire Protection

System

Kidde Fire

Systems offer the new SBS

Fire Protection

System for marine applica- tions.

Developed for use in small to medium sized vessels, the SBS Fire Protection

System is designed to offer high-per- formance, clean agent fire suppression with optimized fire detection, fire sup- pression agent distribution and cylinder placement. It also features a patent- pending thermobulb heat detector, developed to react to the elevated tem- perature associated with machinery space fire. The SBS System is suitable for both gas and diesel powered vessels and is offered in two basic configura- tions: the Sentinel and the Sentinel PRO, both customizable for specific applica- tions.

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Hellbeater Fire Pump

The "Hellbeater" diesel driven marine fire pump and moni- tor sets — portable equip- ment as used by the U.S. Navy and marine salvage companies — and stocks of the Pyrocool firefighting agent are available to municipal and port authority fire departments. The

Hellbeater pumps and stocks of

Pyrocool are ready for deployment aboard tugs, workboats and vessels of opportunity at the time of an incident, effectively converting the boats into

NFPA Class A fireboat equivalents.

Maritime Solutions is the U.S. supplier.

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Pulsating/Jetting Valve

CAT PUMPS introduced the

MAG-JET Valve for jetting. The

MAG-JET uses a SS magnetic valve and a strong corrosion resistant magnet to hold one inlet valve open, creating a strong pulse-jetting action to power noz- zles through the toughest clogs.

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Gas Freeing Fans

Alfa Laval introduced a new range of gas freeing fans for all vessel types. Light and portable, the fans are designed to pro- vide user-friendly, efficient and safe ven- tilation and complement the company's tank equipment portfolio. Three differ- ent models cover virtually all applica- tions, tanks and cargo types.

The deep penetration fans are designed to provide top performance, directing the airflow to the tank bottom. This reduces the risk of vapor pockets accumulating within the tank. Time spent on gas free- ing operations is significantly reduced, thanks to high performance fans with deep penetration. Shorter operation time minimizes water consumption and as a result reduces energy consumption as well.

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New Wind-Heeling Method

A general method for computing wind heeling moments based on the gemetri- cal model of the ship has been developed by Creative Systems, Inc. and is now available in a beta-test version. Called the Band method by its developer, it stands between the classical lateral plane projections and the more sophisticated panel-based wind drag approach. The

Band method is still based on laterally- projected areas, but it automatically accounts for shielding between overlap- ping geometrical elements. It also applies to wind approaching from any direction, a capability important when analyzing the stability of mobile drilling units and other floating structures where ordinary transverse stability is not the major concern. The net result of the modeling efficiency and the run-time efficiency is a very substantial conven- ience which should prove beneficial, especially in preliminary design.

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