MGXTWV center bundle tube type mining optical cable

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MGXTWV center bundle tube type mining optical cableDetailed Introduction

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The structure of MGXTWV optical cable is to put 250 μm optical fiber into a loose tube made of high modulus material, and fill the loose tube with waterproof compound. The loose tube is vertically wrapped with a layer of double-sided plastic-coated steel strip (PSP), and water-blocking material is added between the steel strip and the loose tube to ensure the compactness and longitudinal water-blocking of the optical cable. Two parallel steel wires are placed on both sides to extrude the polyethylene inner sheath, and then a layer of polyethylene outer sheath is squeezed outside the inner sheath to form a cable.

Product features:

It has good mechanical and temperature properties.
The loose casing material itself has good water resistance and high strength.
The tube is filled with special ointment to provide critical protection for the optical fiber.
Good pressure resistance.
Two parallel steel wires ensure the tensile strength of the cable.
The double-sided plastic-coated steel strip (PSP) enhances the moisture resistance of the optical cable and has the function of preventing mice.
Good water-blocking materials prevent the cable from seeping water lengthwise.
The use of blue flame retardant PVC for secondary sheathing makes the cable have a good flame retardant effect.

Standard:

The MGXTWV cable follows MT386-1995 Test Methods and Judgment Rules for Flame Retardancy of Flame Retardant Cables for Coal Mines.

Optical properties:

		G.652	G.655	50/125μm	62.5/125μm
Attenuation (+ 20 ℃)	@850nm			≤3.0dB/km	≤3.0dB/km
	@1300nm			≤1.0dB/km	≤1.0dB/km
	@1310nm	≤0.36dB/km
	@1550nm	≤0.22dB/km	≤0.23dB/km
Bandwidth (Class A)	@850			≥500MHZ·km	≥500MHZ·km
Bandwidth (Class A)	@1300			≥1000MHZ·km	≥600MHZ·km
numerical aperture				0.200±0.015NA	0.275±0.015NA
Cable cutoff wavelength		≤1260nm	≤1480nm

Structural parameters:

光缆型号 Cable Type	光纤数 Fiber Count	光缆直径 (mm)	光缆重量 (Kg/km)	允许拉伸力 (N) 长期/短期	允许压扁力 (N/100m) 长期/短期	弯曲半径 (mm) 静态/动态
MGXTSWV-2～12	2～12	11	130	500/1000	500/1500	15D/30D

Storage and operating temperature: -40 ° C to + 70 ° C

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