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Loose Tube Stranded Reinforced Armored Optical Cable
GYFTY63

The GYFTY63 optical cable structure is constructed as follows: 250μm optical fibers are placed into loose tubes made of high-modulus material, with the tubes filled with waterproof compound. The core''''''''s center is a non-metallic strength member. For certain fiber counts, an additional layer of polyethylene (PE) is extruded over the metallic strength member. The loose tubes (and filler rods) are stranded around the central strength member to form a compact circular core, with interstices filled with water-blocking material. An inner polyethylene sheath is extruded over the core, followed by a layer of glass yarn wrapping, and finally an outer polyethylene jacket is extruded to complete the cable.

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1. Excellent mechanical and temperature characteristics
2. High hydrolysis resistance and superior strength of the loose tube material
3. Critical fiber protection provided by specialized thixotropic gel filling
4. Good crush resistance and flexibility
5. The following measures ensure water resistance:
?· Single non-metallic central strength member
?· Loose tubes filled with specialized waterproof compound
?· Complete cable core filling
?· Double-sided plastic-coated steel tape (PSP) enhances moisture penetration resistance
?· Effective water-blocking materials prevent longitudinal water seepage
?· Excellent rodent resistance performance

Structural Parameters

光缆型号

Cable Type

(以2纤递增)

(Increased by 2 fibers)

光纤数

Fiber Count

单元

Tubes

参考光缆重量

Cable

Weight

kg/kmRef

允许拉伸力

Tensile Strength

长期/短期

Long/Short Term

(N)

允许压扁力

Crush Resistance

长期/短期

Long/Short Term

(N/100mm)

弯曲半径

Bending Radius

静态/动态

Static/Dynamic

(mm)

GYFTY63-2-36Xn

2-36

6

143

1000/3000

1000/3000

10D/20D

GYFTY63-38-48Xn

38-48

8

176

GYFTY63-50-72Xn

50-72

6

159

GYFTY63-74-96Xn

74-96

8

197

GYFTY63-98-120Xn

98-120

10

235

GYFTY63-122-144Xn

122-144

12

278

 

Optical Characteristics

光纤类型 Fiber Type

G.652

G.655

50/125 μm

62.5/125 μm

衰减 Attenuation+20℃

@ 850 nm

≤ 3.3 dB/km

≤ 3.5 dB/km

@1300 nm

≤ 1.2 dB/km

≤ 1.2 dB/km

@1310 nm

≤ 0.36 dB/km

≤ 0.40 dB/km

@1550 nm

≤ 0.22 dB/km

≤ 0.23 dB/km

带宽 Bandwidth

@ 850 nm

≥ 500 MHz·km

≥ 200 MHz·km

@1300 nm

≥ 500 MHz·km

≥ 500 MHz·km

数值孔径 Numerical Aperture

0.200 ± 0.015 NA

0.275 ± 0.015 NA

光缆截止波长Cable Cut-off Wavelength lcc

≤ 1260 nm

≤ 1450 nm


 Application: Duct, Aerial, Direct Burial

Storage and Operating Temperature: -40℃ to +70

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The GYFTY63 optical cable from LeFei Optoelectronic Co., Ltd. complies with YD 901 and IEC 60794-1 standards.