Hydropneumatic Fender

Hydropneumatic fender / Submarine Fender is another kind of Pneumatic rubber fender, Its structure is same with floating Pneumatic rubber fender. However, it is used by vertically to provide fully protection to underwater and surface.

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Product Description

Meanwhile, In order to maintain its position, the Hydropneumatic Fenders are water ballasted and also have a counterweight attached to the bottom of the fender. So this kind of fenders are mainly used by navies across the world for vessels both large and small.

Hydropneumatic Fender Features：

1.Can be easily moved to provide flexibility in berthing situations
2.Can be used as a cost effective replacement for deepwater catamarans
3.Can be easily transported to provide emergency berthing facilities
4.Requirement for maintenance is almost non-existent
5.Unaffected by extreme climatic conditions

Hydropneumatic Fender Specification:

Diameter x Length (mm)	Initial Pressure (Mpa)
1500 x 6100	0.05
1700 x 7200	0.05
2500 x 5500	0.05
2500 x 7700	0.05
3300 x 6500	0.05
3300 x 9000	0.05

Performance:

Nominal Size Diameter x Length	Initial Internal Pressure	Usage	Air Ratio	Water Ratio	Guaranteed Energy Absorption (GEA) Reaction Force at GEA (R)
					GEA	R
mm x mm	Mpa		%	%	KN-m	KN
1500 x 6100	0.5	Ship-jetty	40	60	118	549
1700 x 7200	0.5	Ship-jetty	40	60	168	706
2500 x 5500	0.5	Ship-jetty	30	70	265	1000
2500 x 7700	0.5	Ship-jetty	40	60	451	1383
3300 x 6500	0.5	Ship-jetty	30	70	490	1402
3300 x 9000	0.5	Ship-jetty	55.5	54.5	1100	2200

NOTE: Above performance of each size is just your reference. Because the performance varies due to the conditions such as water ratio, radius of the hull and allowed hull pressure, etc.