Air Blown Fiber Unit （EPFU）
The EPFU is the product that with small diameter, lightweight, highly flexibility and proper stiffness, and it can be blown into the microduct of 5.0/3.5mm. The Fibers are coated with a soft acrylate resin which provides excellent dimensional and thermal stability to cushion the fibers;
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Descripción
The EPFU is the product that with small diameter, lightweight, highly flexibility and proper stiffness, and it can be blown into the microduct of 5.0/3.5mm. The Fibers are coated with a soft acrylate resin which provides excellent dimensional and thermal stability to cushion the fibers; Feature The EPFU is the product that with small diameter, lightweight, highly flexibility and proper stiffness, and it can be blown into the microduct of 5.0/3.5mm. The Fibers are coated with a soft acrylate resin which provides excellent dimensional and thermal stability to cushion the fibers; in addition, the resin can be easily stripped in connecting the Fibers. The outer sheath is a thermoplastic that is of low friction. The surface of the sheath is designed with special grooves, compared to the surface of the traditional optical fiber cable; it provides not only the high level of mechanical protection, but also the perfect blowing performance. Features and Benefits ● 2,4,6,8 and 12 Fibers options. ● Stable structure, good mechanical and temperature performance. ● Designed with special grooves to advance blowing distance. ● Lightweight and proper stiffness, repeat installation. ● Designed with no gel, easy stripping and handling. ● Better costs advantage compared to traditional product. ● Complete accessories, less manpower, lower installation Standards Unless otherwise specified in this specification, all requirements shall be mainly in accordance with the following standard specifications. ● Optical Fibre …...ITU-T G.652、G.657、 IEC 60793-2-50 ● Optical Cable ……IEC 60794-1-2、IEC 60794-5 Technical Parameter Fibre Unit Structure Basic Performance Fiber Count 2 Fibers 4 Fibers 6 Fibers 8 Fibers 12 Fibers Outer Diameter(mm) 1.15±0.05 1.15±0.05 1.35±0.05 1.50±0.05 1.65±0.05 Weight(g/m) 1.0 1.0 1.3 1.8 2.2 Min Bend radius(mm) 50 50 60 80 80 Fiber type G652D, G657A1 or G657A2 Attenuation 0.40dB/km max @1310nm 0.30dB/km max @1550nm Temperature Storage ： -30℃ ～ +60℃ Operation ： -30℃ ～ +60℃ Installation ： -5℃ ～ +50℃ Note: It is recommended that the structure of 2 Fibers unit consist of 2 filled Fibers, for it is proved that 2 Fibers unit with 2 filled Fibers is better than the one with zero or one filled fiber in the blowing performance and the fiber stripping-ability Blowing Test Fiber Count 2 Fibers 4 Fibers 6 Fibers 8 Fibers 12 Fibers Standard duct 5.0/3.5 mm Pressure 7bar / 10bar Typical blowing distance 500m / 1000 m 500m / 1000 m 500m / 1000 m 500m / 1000 m 500m / 800 m Typical blowing time 10 min / 18 min 10 min / 18 min 12 min / 18 min 13 min / 18 min 15 min / 20 min Mechanical Performance Test Standard Parameters Test Results Tension IEC 60794-1-2-E1 Load is 1×W fibre strain ≤0.4% at MAX Additional attenuation ≤0.05dB fibre strain ≤0.05% after test Bend IEC 60794-1-2-E11A Diam 40mm×3turns 5 cycles at 20℃ Additional attenuation ≤0.05dB,after test Crush IEC 60794-1-2-E3 100 N, 60s Additional attenuation ≤0.05dB,after test All optical testing proceeded at 1550 nm Length Standard delivery lengths are 1000m, 2000m, 3000m, 4000m, 6000m with a tolerance of -0.5～+1%. Packaging Free coiling in the pan.
Especificaciones técnicas
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