Loose Tube Stranded Armored Flame Retardant Optical Cable with Non-Metallic Central Strength Member (GYFTZA53)

GYFTZA53 cable is constructed by placing 250µm fibers into loose tubes made of high-modulus material; the loose tubes are filled with water-blocking compound. The center of the cable core is a non-metallic central strength member (FRP) for certain fiber counts, a layer of polyethylene (PE) is extruded over the central strength member. The loose tubes and filler rods are stranded around the central strength member to form a compact, round cable core, and the gaps in the core are filled with water-blocking filler. Coated aluminum tape (APL) is longitudinally wrapped, and a polyethylene inner jacket is extruded over it. Double-sided coated steel tape (PSP) is longitudinally wrapped, and a flame-retardant outer jacket is extruded to form the cable.

Product Standards

GYFTZA53 cables comply with YD/T1114 and IEC 60794-1 standard.

Product Features

• Excellent mechanical performance, temperature characteristics and flame retardancy

• The loose tube material itself has good hydrolysis resistance and high strength

• The tubes are filled with special jelly compound, providing critical protection for the fibers

• Good crush resistance and flexibility

• The following measures are taken to ensure the water-blocking performance of the cable:

- Single non-metallic central strength member

- Special water-blocking compound is filled into the loose tubes

- Fully filled cable core

- Coated aluminum tape (APL) moisture barrier

- Double-sided coated steel tape (PSP) improves the moisture resistance of the cable

- Good water-blocking materials prevent longitudinal water penetration

Structural Parameters

Cable Model (in 2fiber increments)	Number of Fibers	Number of Tubes	Number of Filler Rods	Reference Cable Weight (kg/km)	Allowable Tensile Force Long-term/Short-term (N)	Allowable Crush Force Long-term/Short-term (N/100mm)	Bending Radius Static/Dynamic (mm)
GYFTZA53-2~6Xn	2~6	1	7	275	1000/3000	1000/3000	12.5D/25D
GYFTZA53-8~12Xn	8~12	2	6	275
GYFTZA53-14~18Xn	14~18	3	5	275
GYFTZA53-20~24Xn	20~24	4	4	275
GYFTZA53-26~30Xn	26~30	5	3	275
GYFTZA53-32~36Xn	32~36	6	2	275
GYFTZA53-38~42Xn	38~42	7	1	275
GYFTZA53-44~48Xn	44~48	8	0	275
GYFTZA53-50~60Xn	50~60	5	3	290
GYFTZA53-62~72Xn	62~72	6	2	290
GYFTZA53-74~84Xn	74~84	7	1	290
GYFTZA53-86~96Xn	86~96	8	0	290
GYFTZA53-98~108Xn	98~108	9	1	327
GYFTZA53-110~120Xn	110~120	10	0	327
GYFTZA53-122~132Xn	122~132	11	1	384
GYFTZA53-134~144Xn	134~144	12	0	384

Storage and operating temperature: -40℃ to +70℃.

Optical Characteristics

Fiber Type	Attenuation (+20℃)				Bandwidth		Numerical Aperture	Cable Cutoff Wavelength
Fiber Type	@850nm	@1300nm	@1310nm	@1550nm	@850nm	@1300nm	Numerical Aperture	Cable Cutoff Wavelength
G.652	---	---	≤0.36dB/km	≤0.22dB/km	---	---	---	≤1260nm
G.655	---	---	≤0.40dB/km	≤0.23dB/km	---	---	---	≤1450nm
50/125µm	≤3.3dB/km	≤1.2dB/km	---	---	≥500MHz·km	≥500MHz·km	0.200±0.015 NA	---
62.5/125µm	≤3.5dB/km	≤1.2dB/km	---	---	≥200MHz·km	≥500MHz·km	0.275±0.015 NA	---

· Application: duct, aerial, direct burial

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Loose Tube Stranded Armored Flame Retardant Optical Cable with Non-Metallic Central Strength Member (GYFTZA53)

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