50

L

Ø D

Ø D

L

PneumaticFenders

PneUMAtIcFenDeRsPneumaticFendersareaprovenalternativetoFixedFendersandarepreferablyused:

Inportswithextremetidalvariations

Forship-to-shiplighteringoperations

Forallnavyvesselsduetolowhullpressureandtheadvantage

ofaproportionalincreaseofreactionforceandenergyabsorption

thefendercaneasilybedeflatedwhichallowssimpleandcostefficientrelocation

andre-commissioninginotherlocations.WesupplyPneumaticFendersindifferent

types,coloursandsizesasfollows:

2differentinsidepressurelevelstocoverawideperformancerange

standardcoloursgreyandblack

optionalchain/tyrenetforheavydutyapplications

Diametersrangingfrom300mmto4.500mmandlength

rangingfrom500mmto10.500mm

specialhydropneumaticversionforsubmarines

SlInG-TyPE

L

Ø D

Ø D

L

L

Ø D

Ø D

L

51PneumaticFenders

CHAIn & TyrES

40

60

80

100

120

140

160

40

60

80

100

120

Ene

rgy

[%]

Rea

ctio

n [%

]

PERFORMANCE CURVEPneumatic Fender

0

20

40

60

80

100

120

140

160

0

20

40

60

80

100

120

0 10 20 30 40 50 60

Ene

rgy

[%]

Rea

ctio

n [%

]

Deflection [%]

PERFORMANCE CURVEPneumatic Fender

Reaction-Force Energy-Absorption

Tolerance: +/- 10 %

GEnErIC PErFormAnCE CurVE PnEumATIC FEnDErS

Reac

tion

(%)

ener

gy(%

)

120

100

80

60

40

20

0

160

140

120

100

80

60

40

20

0

Deflection(%)0 10 20 30 40 50 60

Reaction energytolerance:+/-10%

L

Ø D

Ø D

L

L

Ø D

Ø D

L

pneumatic fenders

52 PneumaticFenders

FenderSize

[mm]

Initial Pressure 0.5 kg / cm2 Initial Pressure 0.8 kg / cm2 Weight

Energy[knm]

reaction[kn]

Pressure[kn/m2]

Energy[knm]

reaction[kn]

Pressure[kn/m2]

Body[kg]

Chain net[kg]

Total[kg]

300 x 500 1,3 22,6 189 1,7 29,4 246 10 n/a 10300 x 600 1,5 26,5 180 2 35,3 239 15 n/a 15500 x 800 5,7 58,9 187 7,4 78,5 249 25 n/a 25

500 x 1000 7,2 73,6 179 9,1 98,1 239 35 n/a 35800 x 1200 21,6 141 188 28,1 187 250 75 100 175800 x 1500 27,5 186 191 35,1 235 241 95 110 205

1000 x 1500 40,2 222 190 52,7 281 240 140 170 3101000 x 2000 54 295 180 70,2 374 228 170 200 3701200 x 1800 69,7 320 190 91 404 240 180 210 3901200 x 2000 77,5 354 185 101 449 235 200 220 4201350 x 2500 125 496 181 175 650 238 270 260 5301500 x 2500 152 554 186 196 697 234 300 400 7001500 x 3000 182 658 178 235 837 227 350 440 7902000 x 3000 324 883 189 422 1122 240 550 880 14302000 x 3500 378 1030 183 491 1315 234 650 920 15702000 x 6000 647 1766 171 843 2246 217 950 1120 21702500 x 4000 675 1481 188 872 1864 236 1100 1510 26102500 x 5500 928 2037 178 1197 2560 224 1350 1620 29703000 x 5000 1226 2207 185 1570 2786 233 1700 2620 43203300 x 4500 1324 2197 194 1712 2764 244 1800 2360 41603300 x 6500 1913 3169 181 2472 3993 228 2250 3120 5370

3300 x 10500 3090 5121 171 4297 6612 220 2800 4050 68504500 x 7000 3816 4660 186 4944 5866 234 3250 5100 83504500 x 9000 4954 6004 152 6357 7544 191 4950 6200 11150

PnEumATIC FEnDEr DImEnSIonS + PErFormAnCE VAluES

Rateddeflectionof60%.standardtoleranceof+/-10%

navyJetty,Karlskrona,sweden

53PneumaticFenders

HYDRoPneUMAtIcFenDeRstheHydropneumaticFenderisaspecialconfigurationofthePneumaticFenderdevelopedforsubmarinejetties.the

HydropneumaticFendersarepartlyfilledwithwaterandequippedwithacounterweightinordertokeepthemina

verticalposition.thisensuresthatthesubmergedpressurehullisproperlyprotectedbytheHydropneumaticFender

atalltimes.

FenderSize

[mm]

without water 60 % deflection

filled with water 45 % deflection

Energy[knm]

reaction[kn]

ratio water / air Energy knm

reaction[kn]

1700 x 7200 560 1810 65% / 35% 134 6112000 x 6000 647 1766 65% / 35% 155 5992500 x 5500 928 2037 65% / 35% 223 6873300 x 6500 1913 3169 60% / 40% 616 1247

3300 x 10600 3120 5170 55% / 45% 589 1275

HyDroPnEumATIC FEnDEr DImEnSIonS + PErFormAnCE VAluES

standardtoleranceof+/-10%

pneumatic fenders