Underwater Optical Fiber Cables GYTA5333

The structure of the GYTA33 cable is to insert single- or multi-mode fibers into a loose tube that is made of high modulus polyester material, filled with a water-resistant compound. A metal reinforced strength member is put in the center of the cable, for some fiber numbers of the cable, the metal reinforced strength member needs to be squeezed with a layer of polyethylene(PE) on the outside. The loose tube (and the filling rope) is stranded around the central reinforced strength member to form a compact circular cable core, and the gaps in the cable core are filled with a water-blocking filler. Coated APL shall be longitudinally applied over the stranded core, then covered with a PE inner sheath. After that, two-side coated PSP needs to be longitudinally applied over the inner sheath, and shall then covered with another layer of PE sheath. Afterwards, the sheath is armored with a single layer of small round steel wires, then it shall be covered with a PE outer sheath.

Product Name: Submarine/UnderWater Optical Cable

Application Range: Applicable to long-distance communication and inter-office communication.

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Description

Specification

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Structure Design:

1.Accurate control of fiber excess length and SZ stranded method to ensure that the cable has excellent mechanical and environmental performance.
2.The material of the loose tube is with excellent hydrolysis resistant performance and high tensile strength, and the tube is filled with special fiber grease in order to provide crucial protection for the fiber.
3.The structure of double-layer armoring and triple-layer sheathing improves the cable’s performance of pressure resistance, bulletproof, moisture resistance, and effectively prevents the cable from rodent bite.
4.Following methods are adopted to ensure the cable’s excellent water-resistant performance:
a)Single steel wire central reinforcement.
b)The loose tube is filled with special waterproof compounds.
c)Cable core is filled with special grease.
d)Coated APL moisture-resistant layer.
e)Two-side coated PSP moisture-resistant layer.
f)Good water-blocking material to prevent the cable from vertical water.
5.Maximum fiber number: 288.

Structure Design:

Temperature Range
Storage and operation: -40℃～+70℃; Erection: -15℃～+60℃.

Bending Radius
Static: 10 times of the cable diameter;
Dynamic: 20 times the cable diameter.

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Technical Parameters:

Fiber count	Structure	Fibers per tube	Loose tube diameter (mm)	CSM diameter/pad diameter(mm)	Thickness of Inner jacket(mm)	Thickness of outer jacket(mm)	Cable diameter (mm)	Cable weigh(kg/km)
4	1+5	4	1.7±0.1	1.4/1.4	0.9±0.1	1.8±0.1	15.3±0.5	480
6	1+5	6	1.7±0.1	1.4/1.4	0.9±0.1	1.8±0.1	15.3±0.5	480
8	1+5	4	1.7±0.1	1.4/1.4	0.9±0.1	1.8±0.1	15.3±0.5	480
12	1+5	6	1.7±0.1	1.4/1.4	0.9±0.1	1.8±0.1	15.3±0.5	481
18	1+5	6	1.7±0.1	1.4/1.4	0.9±0.1	1.8±0.1	15.3±0.5	481
24	1+5	6	1.7±0.1	1.4/1.4	0.9±0.1	1.8±0.1	15.3±0.5	481
30	1+5	6	1.7±0.1	1.4/1.4	0.9±0.1	1.8±0.1	15.3±0.5	482
36	1+6	6	1.7±0.1	1.8/1.8	0.9±0.1	1.8±0.1	15.8±0.5	508
48	1+5	12	2.0±0.1	1.4/1.4	0.9±0.1	1.8±0.1	16.0±0.5	517
60	1+5	12	2.0±0.1	1.4/1.4	0.9±0.1	1.8±0.1	16.0±0.5	517
72	1+6	12	2.0±0.1	2.0/2.0	0.9±0.1	1.8±0.1	16.7±0.5	572
84	1+7	12	2.0±0.1	1.8/2.9	0.9±0.1	1.8±0.1	18.2±0.5	703
96	1+8	12	2.0±0.1	1.8/3.5	0.9±0.1	1.8±0.1	19.5±0.5	836
108	1+9	12	2.0±0.1	1.8/4.2	0.9±0.1	1.8±0.1	20.2±0.5	889
120	1+10	12	2.0±0.1	1.8/4.9	0.9±0.1	1.8±0.1	21.1±0.5	977
132	1+11	12	2.0±0.1	1.8/5.5	0.9±0.1	1.8±0.1	21.7±0.5	1023
144	1+12	12	2.0±0.1	1.8/6.3	0.9±0.1	1.8±0.1	22.5±0.5	1083

Packing Material:

Non-returnable wooden drum.
Both ends of the fiber optic cables are securely fastened to the drum and sealed with a shrinkable cap to prevent ingress of moisture.
• Each single length of cable shall be reeled on Fumigated Wooden Drum
• Covered by plastic buffer sheet
• Sealed by strong wooden battens
• At least 1 m of inside end of cable will be reserved for testing.
• Drum length: Standard drum length is 3，000m±2%;

Cable printing:

The sequential number of the cable length shall be marked on the outer sheath of the cable at an interval of 1meter ± 1%.

The following information shall be marked on the outer sheath of the cable at an interval of about 1 meter.

1. Cable type and number of optical fiber
2. Manufacturer name
3. Month and Year of Manufacture
4. Cable length

Drum marking:

Each side of every wooden drum shall be permanently marked in a minimum of 2.5~3 cm high lettering with the following:

1. Manufacture name and logo
2. Cable length
3. Fiber cable types and number of fibers,etc
4. Rollway
5. Gross and net weight

Port:
Shanghai/Guangzhou/Shenzhen

Lead Time：

Quantity(KM)	1-300	≥300
Est.Time(Days)	15	To be begotiated!

Note:The Packing standard and details as above is estimated and final size & weight shall be confirmed before shipment.

Remark: The cables are packed in carton, coiled on Bakelite & steel drum. During transportation, right tools should be used to avoid damaging the package and to handle with ease. Cables should be protected from moisture,kept away from high temperature and fire sparks,protected from over bending and crushing,protected from mechanical stress and damage.

Optical Cable Factory

In 2004, GL FIBER established the factory to produce optical cable products, mainly producing drop cable, outdoor optical cable, etc.

GL Fiber now have 18 sets of coloring equipments, 10 sets of secondary plastic coating equipments, 15 sets of SZ layer twisting equipments, 16 sets of sheathing equipments, 8 sets of FTTH drop cable production equipments, 20 sets of OPGW optical cable equipments, and 1 paralleling equipment And many other production auxiliary equipments. At present, the annual production capacity of optical cables reaches 12 million core-km (average daily production capacity of 45,000 core km and kinds of cables can reach 1,500 km) . Our factories can produce various types of indoor and outdoor optical cables ( such as ADSS, GYFTY, GYTS, GYTA, GYFTC8Y, air-blown micro-cable, etc.). the daily production capacity of common cables can reach 1500KM/day, the daily production capacity of drop cable can reach max. 1200km/day, and the daily production capacity of OPGW can reach 200KM/day.