Marine Breakaway Couplings

Fluid transport operations in nearshore environments are often characterized by complex conditions. Tankers may unexpectedly detach from moorings due to external factors, and pressure changes may occur within the system. These anomalies can easily lead to media leakage. Simultaneously, transport hoses and related connecting components may be damaged.

Jerryborg Marine’s breakaway couplings protect ship-to-shore fluid transport systems. These couplings can disengage under pre-defined conditions when subjected to excessive tensile force or a sudden increase in internal pressure. This method improves operational safety by preventing or reducing damage to hoses and couplings under overload conditions.

In practical use, these risks are often related to environmental factors. Excessive wind, waves, or currents can lead to unstable mooring conditions or even mooring failure. In such situations, the external forces on the hoses will increase significantly, posing a risk of rupture. Furthermore, improper valve operation or media flow obstruction can cause a rapid increase in internal pipeline pressure. Sustained or sudden high pressure can also damage the hose itself and its connectors.

Marine Breakaway Couplings

To ensure that the selected breakaway coupling is suitable for the actual working conditions and meets the system’s long-term operational requirements, Jerryborg Marine will communicate thoroughly with the customer.

During the solution confirmation process, the following will be the focus: the specific location of the project or terminal, on-site environmental conditions, pipeline dimensions, medium flow requirements, and system design pressure.

All marine breakaway couplings provided by Jerryborg Marine are designed and manufactured under a standardized quality management system. Related products comply with ISO 9001 standards and refer to the latest OCIMF technical guidelines. They can be applied to various offshore and port fluid transportation scenarios.

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Coupling-before-emergency-disconnect

Coupling before emergency disconnect

Coupling-after-emergency -disconnect

Coupling after emergency disconnect

Female Type (BSP)

Type–ØA

Code

Breaking Force(KN)

Ø D (mm)

L (mm)

SS

AL

SS

AL

DN25-1″

L1604110

L1604108

4.8

3.2

70

124

DN50-2″

L1604111

L1604023

13

9

105

168

DN65-21/2″

L1604074

L1604114

22

10

144.5

235

DN80-3″

L1604058

L1604118

33

15

153.5

238

DN100-4″

L1604064

L1604121

52

24

192

285

DN150-6″

L1604066

L1604125

92

54

270

367

BSP/NPT thread can be customized according to customer’s requirements

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Female Type (BSP)
Female Type (BSP) drawing

Flang Type

Type-ØA

Padrão

Code

Breaking Force(kN)

Ø D (mm)

L (mm)

SS

AL

SS

AL

DN25-1”

HG/T2059 PN25/40

L1604048

L1604112

4.8

3.2

70

124

DN50-2”

HG/T2059 PN25/40

L1604046

L1604113

13

9

105

168

DN65-21/2”

EN1092-1 PN25/40

L1604116

L1604117

22

10

144.5

235

DN80-3”

ANSI B16.5 Class 150LB

L1604042

L1604124

33

15

153.5

238

DN100-4”

EN1092-1 PN25/40

L1604123

L1604120

52

24

192

285

DN150-6”

EN1092-1 PN25/40

L1604133

L1604132

92

54

270

367

DN200-8”

ANSI B16.5 Class 150LB

L1604084

L1604128

165

96

322

420

DN200-8”

EN1092-1 PN25/40

L1604085

L1604129

165

96

270

416

DN250-10”

EN1092-1 PN25/40

L1604131

L1604130

151

151

396

510

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Flang-Type-Breakaway-Coupling