Steel Navigational Buoys

ANST designs and manufactures world-class skirt keel and Tail Tube Steel Navigational buoys with m.s. angle superstruchure, daymark, topmark, rubber fender and Radar reflector as per IALA Maritimes Buoyage system. The buoy body and superstructure is grit blasted and painted with Epoxy paint system of required colour. The body is tested to 0.5 kg / cm pressure to detect any leak before painting.
There are 8 standard skirt keel and Tail Tube Buoys covering from Harbour to deep see application.Other sizes can be supplied as per customer's specification.

SKIRT KEEL BUOYS

SKS-2200 steel skirt keel Buoy

• Application: Partially sheltered
• Buoy Body: 2.2 M dia x 10 mm thick plate
• Weight: 3400 kg.
• F.H.= 3.8M, Draft = 1.8M, F.B = 0.65M
• Fender: Marine grade rubber
• Superstructure:M.S. angle with day & topmark
• Radar Reflector: RR-150 (6 segments)
• Chain: 32mm dia open link.
• Supported Chain Weight: 1000 kg.
• C.I. Sinker: 1500 kg.

SKS-2400 steel skirt keel Buoy

• Application: Moerate Open Sea.
• Buoy Body: 2.4 M dia x 10 mm thick plate
• Weight: 4000 kg.
• F.H.= 4.2M,Draft = 2.1M, F.B = 0.8M
• Fender: Marine grade rubber
• Superstructure:M.S. angle with day & topmark
• Radar Reflector: RR-150 (6 segments)
• Chain: 32mm dia open link.
• Supported Chain Weight: 1500 kg.
• C.I. Sinker: 2000 kg.

SKS-2600 steel skirt keel Buoy

• Application: Moerate Open Sea.
• Buoy Body: 2.6 M dia x 10 mm thick plate
• Weight: 4600 kg.
• F.H.= 4.6M,Draft = 2.2M, F.B = 0.8M
• Fender: Marine grade rubber
• Superstructure:M.S. angle with day & topmark
• Radar Reflector: RR-150 (6 segments)
• Chain: 38mm dia open link.
• Supported Chain Weight: 2000 kg.
• C.I. Sinker: 2500 kg.

SKS-3000 steel skirt keel Buoy

• Application: Open Sea.
• Buoy Body: 3.0 M dia x 10 mm thick plate
• Weight: 5100 kg.
• F.H.= 5.0M,Draft = 2.0M, F.B = 0.97M
• Fender: Marine grade rubber
• Superstructure:M.S. angle with day & topmark
• Radar Reflector: RR-150 (6 segments)
• Chain: 38mm dia open link.
• Supported Chain Weight: 2500 kg.
• C.I. Sinker: 3000 kg.

SKS-3660 steel skirt keel Buoy

• Application: Exposed Open Sea.
• Buoy Body: 3.66 M dia x 10 mm thick plate
• Weight: 7700 kg.
• F.H.= 5.6M,Draft = 2.3M, F.B = 1.2M
• Fender: Marine grade rubber
• Superstructure:M.S. angle with day & topmark
• Radar Reflector: RR-150 (6 segments)
• Chain: 42mm dia open link.
• Supported Chain Weight: 4000 kg.
• C.I. Sinker: 5000 kg.

TAIL TUBE BUOYS

TTS-2600 Steel Tail Tube Buoy

• Application: Open Sea
• Buoy Body: 2.6 M dia x 10 mm thick plate
• Weight: 4100 kg.
• F.H.= 5.0M, Draft = 3.2M, F.B = 0.8M
• Fender: Marine grade rubber
• Superstructure:M.S. angle with day & topmark
• Radar Reflector: RR-150 (6 segments)
• Chain: 38mm dia open link.
• Supported Chain : 2500 kg.
• C.I. Sinker: 2500 kg.

TTS-3000 Steel Tail Tube Buoy

• Application: Exposed Open Sea
• Buoy Body: 3.0 M dia x 10 mm thick plate
• Weight: 4800 kg.
• F.H.= 5.0M, Draft = 3.2M, F.B = 0.9M
• Fender: Marine grade rubber
• Superstructure:M.S. angle with day & topmark
• Radar Reflector: RR-150 (6 segments)
• Chain: 38mm dia open link.
• Supported Chain : 3500 kg.
• C.I. Sinker: 3000 kg.

The two sizes of hexagonal Radar Reflectors type RR - 25 and RR - 150 are designed to cover all sizes of buoys. They are made in six segments of non - corrosive aluminum sheets with proper paint system. The 6 segments are fitted in between two rings and the weight is kept as low as possible. SPECIFICATION: RR-25 Radar Reflector

• No. of segments :6
• Radar X-section :25M²
• Diameter: 350mm
• Height:350mm
• Height:6.0 kg

RR-150 Radar Reflector

• No. of segments :6
• Radar X-section:150M²
• Diameter: 500mm
• Height:500mm
• Weight :11.0 kg.