Submarine

Submarine Flexible Joint

Submarine Flexible Joint

Benefit :

1.Time Saving

2.Cost Effective

3.90% Tensile Recover

4.Reusable

Clients : PGN, Total, PLI

submarine hybrid fiber optic cables

Technical Specification

Submarine Hybrid Fiber Optic Cable

Cable characteristics

Parameter

Unit

Value

Outer Diameter

Mm

17

Weigth in Air

kg/km

600

Breaking Strength

kN

65

Nominal Transient Tensile Strength (NTTS)

kN

50

Nominal Operating Tensile Strength (NOTS)

kN

38

Nominal Permanent Tensile Strength (NPTS)

kN

12

Minimum bending radius

Mm

340

Crush resistant value

kN/100mm

6

Impact resistant value

Nm

20

Operating temperature range

ºC

-10 to +60

Optical characteristics of the offered optical fiber

The optical fiber is single mode type according to ITU-T Recommendation G.652 table D compliance.

No.

Cable Parameter

Parameter

1. Fiber Type Single Mode as per ITU-T G.652.D
2. Cable Anttenuation ≤0.21 dB/ km at 1550 nm

≤0.35 dB/ km at 1310 nm

3. Point Discountinuity [dB] ≤0.05 dB di 1310 nm and 1550 nm
4. Macrobend Loss (Maximum) 0.03 dB at 1310 nm and 1550 nm, with mandrel diameter 50 mm and 100 turns
5. Chromatic Dispersion (Maximum) 3.0 ps/[nm.km] at 1310 nm and

18.0 ps/[nm.km] at 1550nm

6. PMD Link Value (Maximum) 0.06 ps/sqrt.km

Cable make-up

The fibers are placed in the gel-filled loose tubes. The filling gel does not drip or freeze at -10°C up to 100°C. The loose tube is of stainless steel material to obtain the best undersea productproperties.

The loose tube is HDPE sheathed for the inner protection prior to the combined galvanized steel and copper conductor stranded armouring wires. Eight galvanized steel wires and four AWG 17 XLPE insulated copper conductors are applied as cable armouring.

Bitumen will fill the armour wire interstices to protect the wire against corrosion. UV resistant HDPE is finally extruded as outer cable protection.

Cable packing and delivery

The cable is supplied in one continuous length with returnable steel drum. The cable package is labeled and protected with heat-shrink end caps on both ends.

MPJC - Generation 1
MPJC - Generation 1
MPJC - Generation 2
MPJC - Generation 2
MPJC - Generation 3
MPJC - Generation 3

Technical Specification

Submarine Multi Purpose Joint Closure (MPJC)

Description

Specification

Cable Type All Wire Armoured Cable

Maximum inner tube 13 mm

Maximum outer cable diameter 38 mm

Fiber Length Up to 96 fibers
Total length 2000 mm after installation
Maximum Joint closure diameter 110 mm after installation
Bending Radius :

·         Operational

·         Installation

 

2500 (mm)

2000 (mm)

Tensile Strength :

·         Breaking load

·         Operational tension

 

Minimum 80% of cable breaking load

Maximum 50% of cable breaking load

Operating water depth Maximum 300 (m)/ 30 bar
Typical repair time for a joint with maximum 24 fibers (2 Jointers) 8 hours
Additional time for each 12 fibers 0.5 hour
Register HAKI No. D002011053187

Features & Benefit

  • Easy and quick assembly without the need for special tools
  • Adaptable on most types of repeater less submarine fiber optic cables
  • Water depth down to 300 m
  • High tensile strength (Tested for 400 kN pulling tension) refer to cable design
  • Designed for standard splice protection sleeves
  • Low total cost for cable jointing
  • The splicing area is designed to accommodate up to 96 fibers (144 Optional)
  • Corrosion resistant material (made of marine quality stainless steel)
  • Extra protection with heath shrink and special glue

Joint Closure Assembly

joint closure assembly1
joint closure assembly2