Industrial Cable Manufacturer

The stranded loose tube heavy-armored cable features an insert of single-mode or multi-mode into loose tube made of high modulus polyester material and filled with water proof compounds. The center of cable core is a metallic strength core. For the cables with a certain number of cores, the metallic strength core sheathed with polyethylene (PE). The loose tube (and filling rope) is twisted around the central strength core to form a compact circular core, whose cracks are filled with water blocking materials. Extruded polyethylene sheath is inserted into cable after the double chromium-plated plastic steel tape is vertically wrapped.

Application of GYTA53 Fiber, Stranded Loose Tube Heavy Armored Cable

The stranded loose tube heavy-armored cable is suitable for Long distance and interoffice communication.

Parameter 1. Technical parameter

Item	Content	Value
	Number of cable cores	24	36	48	72	96	144	288
Loose Tube	Outer diameter	1.85	2.55	2.55	2.55	2.55	2.55	2.55
	Number of Loose Tube* number of cores per tube	4*6	6*6	4*12	6*12	8*12	12*12	24*12
Reference outer diameter	mm	12.3	14.0	15.5	16.6	18.0	21.0	23.0
Central strength Member Water blocking material	Material	Steel ware
	Diameter(mm)	2.0
	Thickness of strength member(mm)	-			2.6	4.2	7.4	4.8
Moisture proof layer	Material	Water blocking cable gel
Armored layer	Material	/
Outer sheath	Thickness (±0.1mm)	0.9
Range of operating temperature	Material	corrugated steel belt
Pull	Thickness(±0.2mm)	1.8
Flatten	℃	-40- +70
Item	Short term /long term(N)	1500/400
		1000/400
*According to customer's requirements, The stranded loose tube heavy-armored cable can customize other structures or cores.

2. Characteristic for optical fiber

		G.652.D	G.655	50/125μm	62.5/125μm
Attenuation	@850nm	-	-	≤3.0dB/km	≤3.0dB/km
	@1300nm	-	-	≤1.0dB/km	≤1.0dB/km
	@1310nm	≤0.36dB/km	≤0.36dB/km	-	-
	@1550nm	≤0.22dB/km	≤0.23dB/km	-	-
Band Width	@850nm	-	-	≥500MHz·km	≥200MHz·km
	@1300nm	-	-	≥1000MHz·km	≥600MHz·km
Fiber cutoff wavelength		≤1260nm	≤1260nm	-	-
Polarization Mode Dispersion	Single opticalfiber	≤0.20ps/√km	≤0.20ps/√km	-	-
Link value(M=20, Q=0.01%)		≤0.10ps/√km	≤0.10ps/√km	-	-

3. Main machinery and environment performance

Item	Inspection standard	Specified value	Requirements
Pull	IEC 60794-1-2-E1	According to technical parameter	Additional attenuation for short term:≤0.1dB
Flatten	IEC 60794-1-2-E3	According to technical parameter	Additional attenuation for short term:≤0.1dB
Impact	IEC 60794-1-2-E4	The height is 1 meter punch hammer 450g at least 50 times	Residual additional attenuation:≤0.03dB
Backward and forward bending	IEC 60794-1-2-E6	Loading 150N 30 times	Residual additional attenuation:≤0.03dB
Twisting	IEC 60794-1-2-E7	1 meter ±180° 10 times	Residual additional attenuation:≤0.03dB
Temperature recycle test	IEC 60794-1-2-F1	-40℃ +70℃	Change of additional attenuation:≤0.05dB/km
* The monitoring of all optical fiber attenuation's change is operated in wavelength of 1550nm.

Features
We control the optical fiber's surplus length accurately to ensure the capability of resisting tension and temperature characteristics.
The material of loose tube has good hydrolysis - resistant performance and high strength. The tube is filled with special ointment to make key protection for optical fiber.
The polyethylene sheath features good anti ultraviolet radiation performance.
We use the following measures to ensure outstanding water blocking performance.Single steel wire central strength core
Fill the loose tube with special compound
100% cable core filled
PSP enhancing moisture-proof
Installation

Conduit, Aerial, Directly buried

Operating standard

YD/T 901-2009 stranded outdoor cable for telecommunication
IEC 60794-1-1-2011 Cable Section 1-1