LN—5Z(不锈钢带)防水阻燃型可挠金属电线保护套管
LN一5Z(NCr)Water Proof＆Prevent Burning Type
LN-5Z(不锈钢带)防水阻燃型可挠金属电线保护套管，其结构规格与LN—5相同，PVC用优质耐温阻燃级，防火性能强。适用于室内外潮湿防火要求较高的电力导线配管，用干桥梁、隧道、造船、电厂、高档建筑等的明、暗预埋和直埋的配管，更可替代地面线槽布线用管等。
LN-5Z (Ncr) and waterproof casing flame retardant protection Prica metal wires. LN-5 compliance with the same structure, temperature flame retardant PVC quality level, strength of fire,apply to indoor and outdoor fire damp demａnd for a higher power distribution control cable for bridges tunnels, shipbuilding plant that the high-grade construction, and buried secretly embedded in the piping wiring can be replaced with ground trough, etc
LN一5Z规格表Standard Dimensions of LN—5Z PRICA PIPE
| 规格 Catalogue Number | 内径 I．D。 | 外径 O．D． | 外径公差 O．D． Tolerance | 乙烯层厚度 ThicknessOf PVC(min) | 每卷长 Length／roll | 钢管对应规格 Relevant Conduit | 电线管对应规格 Relevant Conduit for ElectricWire | ||
| | mm | mm | mm | mm | m | mm | | mm | |
| 12# | 11.4 | 17.7 | ±0．2 | 0．6 | 50 | 8 | 1／4＂ | 13 | 1／2＂ |
| 15# | 14.1 | 20.6 | ±0．2 | 0．6 | 50 | 10 | 3／8＂ | 16 | 5／8＂ |
| 17# | 16.6 | 23.1 | ±0．2 | 0．6 | 50 | 15 | 1／2＂ | 19 | 3／4＂ |
| 24# | 23.8 | 30.4 | ±0．2 | 0．6 | 25 | 20 | 3／4＂ | 25 | 1＂ |
| 30# | 29.3 | 36.5 | ±0．2 | 0．6 | 25 | 25 | 1 ＂ | 32 | 11／4＂ |
| 38# | 37.1 | 44.9 | ±0．4 | 0．6 | 25 | 32 | 11／4＂ | 38 | 11/2＂ |
| 50# | 49.1 | 56.9 | ±0．4 | 0．8 | 25 | 40 | 11／2” | 51 | 2＂ |
| 63# | 62.6 | 71.5 | ±0．6 | 0．8 | 10 | 50 | 2＂ | 64 | 21/2＂ |
| 76# | 76.0 | 85.3 | ±0．6 | 0．8 | 10 | 70 | 21／2＂ | 76 | 3＂ |
| 83# | 81.0 | 90.9 | ±0．8 | 1．0 | 10 | 80 | 3＂ | | |
| 101# | 100.2 | 110.1 | ±0．8 | 1．0 | 5 | 100 | 4＂ | | |
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按JG/T3053-1998标准
套管12#、15#、17#每卷许有两个接头(三根)，短头部分限度不能少于8M。30#、38#、50#每卷允许有一个接头(二根)，短头部分限度不能少于5M。2、可挠金属电线保护套管与钢管依据内径尺寸对应。
Standards by JG/T3053-1998
1．casing 12#，15#．70utburst allowed per two joints(3)A short，the first part at least should not be less than 8M.24#，30#，38#，50#peraIlow a joint (KAN)short head at least part of not less than 5M．2．Prica metal casing to protect wiring in accordance with the diameter of pipe size counterparts．
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