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Fire-Proof Wire and Cable Serial Products

  • Fire-Proof Wire and Cable Serial Products
  • Fire-Proof Wire and Cable Serial Products

Fire-Proof Wire and Cable Serial Products

1. Product Standard

Enterprise standard, this standard is equivalent to GB/T 19666-2005.

2. This product is suitable for use in all places using rated AC voltage 1-10 KV plastic insulated power cable, 450/750 V plastic insulated control cable, 450/750 V and below electrical equipment wire and cable , particularly high temperature , inflammable and fire. Proof for transmitting and distributing power , control , alarm and fire – control system and other circuits .


product details

3. Property for Use

a. According to different product kinds , rated voltage can be divided into the following :

α. 0.6/1 – 8.7/10 KV     β. 450/750 KV    γ. 300/500 V    δ. 300/300 V

b.   Allowed work temperature of cable for a long period is divided into the following according to different kinds of products :

70℃、90℃、10

c.  For short circuit(5s) , the allowed max.work temperature of conductor does not exceed 160℃ and 250℃( for a-α).

d. Environmental temperature for laying cable should be not less than 0℃.

f. Allowed min. Bend radius of cable should be according to different kinds of the following products : 6 times 、10 times、12 times and 15 times of cable overall diameter .

g. Cable combustion nature

α. Under flame temperature 750-800℃ combustion conditions , cable can normally operate not less than 90 min.

β. Measured cable current. Carrying capacity under “α” environment is not less than the current-carrying capacity value under work conditions of corresponding type and specifications of common cable.

h. Other electric nature and physical . Mechanic nature of cable are all higher than corresponding common cable.


4. Type and Specifications

For cable types . See Table 1( All listed in Table 1 are representatives of various kinds )

TypeRated VoltageNameScope of Application
NH-VVNH-VL V220.6/1 KVPVC fiber. Mica&Fluoline plastic compound sheathed fire-proof cablePetroleum , chemical industry , metallurgy , power plant, transmission subway , telecommunications station, nuclear project , military ,aviation , tunnels, high scientific research , fire control , etc.
NH-YJYNH-YJL V228.7/10 KV and belowXLPE or silane XLPE fiber&mica compound insulated fire-proof power cable
NH-KVVNH-KV V22450/750 KVPVC fiber&mica compound insulated fire-proof control cable
NH-KVVRPVC fiber&mica compound insulated fire-proof control soft cable
NH-KVV P22NH-KVVRPPVC fiber&mica compound insulated,metal screened fire-proof control soft cable
NH-BV450/750 KVPVC fiber&mica compound insulated fire-proof wirePetroleum, chemical industry, metallurgy, high rises, scientific research and other power and illuminating installation, electric instrument  and meters requiring fire-proof.
NH-BVR450/750 KVPVC fiber&mica compound insulated fire-proof soft wire
NH-BVV300/500 KVPVC fiber&mica compound insulated fire-proof cable



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  • Tel.: +86 317 3815 546

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