Catalog excerpts

SB-285P - 1

UV Stablised Polyethylene Sentinel® Buoy The SB-285P Sentinel® is Tideland Signal’s large sea buoy companion to the very successful SB-138P Sentinel® buoy. This buoy meets Tideland’s goal in developing high performance, low maintenance marine aids to navigation. Deployed in over 50 countries, this buoy utilises the latest in materials, manufacturing processes and technology, which provides a rugged, lightweight buoy with exceptional station keeping and long life, while reducing the long term maintenance expense of floating aids to navigation. FEATURES • UV-STABILISED POLYETHYLENE - Rotationally moulded to form a tough, 12.7mm thick body. Prior to moulding, colour pigment is blended into polyethylene material eliminating the need for costly sandblasting and continued painting. Through a unique mould design and a controlled process, an increased thickness is formed at major stress points. This polyethylene material will also repel marine growth. • DIVIDED INTO THREE SECTIONS - A float section, middle superstructure section and top section form an abrasion resistant, shock absorbing buoy able to withstand knocks and/or collisions. In event of damage, individual sections can be easily replaced on the deck of a buoy tender, at sea. • MATCHING OR ALTERNATING SECTIONS - Bifurcation buoys can be easily made, either red or green as needed. Cardinal buoys can be assembled using the same method with yellow and black sections. Fairway or Safe Water buoys are produced using a process of moulded in colour graphics, resulting in red and white vertical striping. • 2.5 METRE DIAMETER FLOAT SECTION – Utilises 316 stainless steel tube ‘skeleton’ to support (4) 1/4 float sections with 12.7mm thick walls. These unsinkable sections are filled with polystyrene beads. The float sections are then sealed and placed into a steam-chest to expand the foam beads to maximum size, fusing the beads together. This process results in one solid piece, completely filling all voids, preventing water ingress in the event of puncture, adding toughness to an already rugged floating aid. • POWER – Eight (8) AGM spill-proof batteries configured for 12 volts are housed in middle superstructure section. This section includes a hinged, tamper-proof, watertight service hatch. • NAVAID TOP SECTION – This section can support (4) 90 watt solar modules. Configurations of solar modules can vary depending on electrical load and average solar insulation for area of deployment. An internal high gain passive radar reflector (10m2) and hard-anodised aluminium lantern guard, if needed, are also included. All additional internal optional equipment is also fitted into this section. USA • UNITED KINGDOM • UA

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SB-285P - 2

SPECIFICATIONS RECOMMENDED MOORINGS The SB-285P Sentinel® buoy has a float section of 2.5 metres in diameter, a draft of 1.4 metres and a focal plane height of 4.1 metres or 4.8 metres if utilising optional extended lantern guard. Rotationally moulded in low density UV-stabilised virgin polyethylene, covering a 316 marine grade stainless steel frame Optional Extended Focal Plane Nominal Focal Plane Height Chain Size Chain Length (shot) 16kg/m3 expanded polystyrene foam Foam Filling CURRENT LESS THAN 2 KNOTS Radar Range, nominal with daymark panels (nun shape) Maximum Mooring Load Maximum...

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