·產品描述 Description
GYFTA53 光纜的結構是將 250μm 光纖套入高模量材料制成的松套管中，松套管內填充防水化合物。纜芯的中心是一根非金屬加強芯（FRP），對于某些芯數的光纜來說， 非金屬加強芯外還需要擠上一層聚乙烯（PE）。松套管（和填充繩）圍繞中心加強芯絞合成緊湊和圓形的纜芯，纜芯內的縫隙充以阻水填充物。涂塑鋁帶（APL）縱包后擠一層聚乙烯內護套，雙面涂塑鋼帶（PSP）縱包后擠制聚乙烯護套成纜。
The fibers, 250μm, are positioned in a loose tube made of a high modulus plastic. The tubes are filled with a water-resistant filling compound. A Fiber Reinforced Plastic (FRP) locates in the center of core as a non-metallic strength member. The tubes (and fillers) are stranded around the strength member into a compact and circular core. An Aluminum Polyethylene Laminate (APL) is applied around the cable core. Then the cable core is covered with a thin polyethylene (PE) inner sheath, which is filled with jelly to protect it from water ingress. After a corrugated steel tape armor is applied, the cable is completed with a PE outer sheath.
·產品特點 Characteristics
· 具有很好的機械性能和溫度特性
· Good mechanical and temperature performance
· 松套管材料本身具有良好的耐水性能和較高的強度
· High strength looes tube that is hydrolysis resistant
· 管內充以特種油膏，對光纖進行了關鍵性保護
· Special tube filling compound ensure a critical protection of fiber
· 良好的抗壓性和柔軟性
· Crush resistance and flexibility
· 采用下列措施來確保光纜的防水性能：
· The following measures are taken to ensure the cable watertight:
- 單根非金屬中心加強芯
- Single Fiber Reinforced Plastic as the central strength member
- 松套管內填充特種防水化合物
- Loose tube filling compound
- 完全纜芯填充
- 100% cable core filling
- 涂塑鋁帶（APL）防潮層
- APL moisture barrier
- 雙面涂塑鋼帶（PSP）提高光纜的抗透潮能力
- PSP enhancing moisture-proof
- 良好的阻水材料防止光纜縱向滲水
- Water-blocking material
·產品標準 Standards
GYFTY53 光纜符合 YD/T 901-2001 和 IEC 60794-1 標準
GYFTY53 cable complies with Standard YD/T 901-2001as well as IEC 60794-1. |
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