Salvage Airbag

07/21/2017

NanHai-Floating salvage airbags are widely used in marine industry of salvage and buoyancy assistance, including rescue of standard ships or sinking ships. The maritime salvage and rescue projects are sudden and time-sensitive, lifting equipment and high costs; if the salvage company adopts conventional lifting methods, it is usually subject to large-scale lifting equipment or high costs. Using salvage airbag is a quicker and more flexible method to implement salvage and rescue working.

NANHAI SALVAGE AIRBAG SHOWROOM

On 23, Mar. 2017, crews with Shanghai Salvage successfully lifted the sunken ferry Sewol to the surface. Shandong Nanhai Airbag Engineering Co., Ltd. has supplied 12pcs of rubber pontoons with 2400 tons total buoyancy for the salvage work.

NANHAI SALVAGE AIRBAG APPLICATION

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NANHAI SALVAGE AIRBAG ADVANTAGES & BENEFITS

FEATURES & STRENGTH OF SALVAGE AIRBAGS

Large tonnage: As deep as 100m. Available with 50tons, 100tons, 200tons, 300tons and other standard large tonnage. Can also be customized according to customer needs.
High safety: Great puncture and abrasion resistance by using 1400-D3 high-strength nylon thread. High safety with bursting pressure being over 3 times of safety factor.
Safety valve technology: Safety valve technology is adopted to protect against over-pressure, especially in salvage effectively alleviating the buoy's relative pressure changes when floating from the bottom.
Easy & reliable operation: The Floating airbags adopts the net fixation technique - proprietary technology independently invented by Nanhai-Floating Airbag. Net structure lock sleeve and the shackle type link are used to solve the problem of force transmission and prevent the buoy from sliding down. Those factors made the construction operation quite simple and convenient.
The installation: Floating airbags are easy to fix and can provide a large amount of buoyancy after inflation.

APPLICATION OF SALVAGE AIRBAGS

Salvage airbags: NanHai-Floating salvage airbags can be used for underwater aircraft recovery, salvage activities for ships and other underwater objects.
Vessel float-up tool: NanHai-Floating airbags are functioned as a buoyancy assistant tool for vessel float-up in a dry dock and sail-away through a shallow water channel.
Pipeline and cable laying: NanHa-Floating airbags can be used in various pipeline laying and cable installations, such as offshore oil & gas, telecommunication cable etc.
Floating assistant tools：Used for other floating equipment, such as power plant equipment, box culvert installation and floating airbag bridge construction etc.

FLOATING SALVAGE AIRBAG SPECIFICATION

NANHAI Floating Airbag specification

Technical performance table

Model	Lift Capacity (ton)	Diameter (m)	Overall Length (m)	Pressure Relife Valve	Inlet Assembly	Weight(KG)/7psi	Weight(KG)/14.5psi	Attachment points
SP-5	5	1.2	5.5	Yes	1in	120	170	3
SP-10	10	1.5	7	Yes	1in	170	240	5
SP-15	15	1.8	7	Yes	1in	200	350	5
SP-20	20	2	8	Yes	1in	240	440	6
SP-25	25	2.2	8	Yes	1in	260	480	6
SP-30	30	2.5	8	Yes	1.5in	550	790	6
SP-50	50	2.5	12	Yes	1.5in	780	1180	8
SP-75	75	3	12.5	Yes	1.5in	1100	1520	8
SP-100	100	3	16	Yes	1.5in	1400	1900	8
SP-125	125	3.5	15	Yes	1.5in	1500	2150	8
SP-150	150	3.5	17.5	Yes	1.5in	2200	3100	8
SP-175	175	3.5	20	Yes	1.5in	2450	3550	10
SP-200	200	3.5	23	Yes	1.5in	2800	4200	10

Salvage Airbags Brochure

Ship Launching Airbag Brochure

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Buoyancy Airbags

pneumatic rubber fender for boat