Heat resistant silicone rubber insulated control cable
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Description
1 executive standard: enterprise standard
Purpose: the silicone rubber cable is suitable for signal transmission and control connection in harsh environment such as high temperature with AC / DC rated voltage of 450 / 750V and below, corrosive gas and soft structure requirements.
three Service characteristics: long term working temperature of cable - 60 ℃ ~ 180 ℃. The cable laying temperature shall not be lower than 0 ℃; The bending radius shall not be less than 6 times of the cable outer diameter.
4. Product model and name
Type number | Name |
KHGG | Copper core, silicone rubber insulated and sheathed control cable |
KHGPG | Copper core, silicone rubber insulated and sheathed braided shielded control cable |
KHGRG | Copper core, silicone rubber insulated and sheathed flexible control cable |
KHGP2G | Copper core, silicone rubber insulated and sheathed copper tape shielded control cable |
KHGRPG | Copper core, silicone rubber insulated and sheathed braided shielded soft control cable |
KHG20G | Copper core, silicone rubber insulated and sheathed steel strip armored control cable |
KHPG20G | Copper core, silicone rubber insulated and sheathed braided shielded steel strip armored control cable |
KHG30G | Copper core, silicone rubber insulated and sheathed steel wire braided armored control cable |
5 cable core specification and relevant parameters
Nominal section mm ² | Guide body structure | Insulation thickness mm | The DC resistance is no more than Ω / km at 20 ℃ | ||
Type 2 | Type 5 | Type 2 | Type 5 | ||
0 . five | 7/0.30 | 16/0.20 | 0.5 | 36.0 | 39.0 |
0 . seventy-five | 7/0.37 | 24/0.20 | 0.6 | 24.5 | 26.0 |
1 . zero | 7/0.43 | 32/0.20 | 0.6 | 18.1 | 19.5 |
1 . five | 7/0.52 | 30/0.25 | 0.7 | 12.1 | 13.3 |
2 . five | 7/0.68 | 49/0.25 | 0.8 | 7.41 | 7.98 |
4 . zero | 7/0.85 | 56/0.30 | 0.8 | 4.61 | 4.95 |
6 . zero | 7/1.04 | 84/0.30 | 0.9 | 3.08 | 3.30 |
Note: the structure of silicon rubber insulated control cable core is generally the fifth type, and the second type shall be indicated.
6 cable technical performance
6.1 DC resistance of conductor shall comply with the above table.
6.2 insulated cores shall be subjected to 5kV power frequency spark voltage test.
6.3 The insulation resistance of the finished cable shall not be less than 500m Ω· km.
6.4 the finished cable shall be able to withstand the withstand voltage test of AC 50 Hz, 3000 V / 2 min.
6.5 number of cable cores 2 ~ 37 cores with color separation or digital identification.
7. Examples of indication: silicone rubber insulated and sheathed control cables are represented by model, number of cores and nominal cross section of conductor. Examples are as follows:
1) Silicone rubber insulated and sheathed braided shielded control cable, 7 cores, 1.5 mm ² Expressed as: khgpg 7 * 1.5
2) KHG30G :10*2.5 Then it means that the cable is: silicone rubber insulated and sheathed thin steel wire braided armored control cable, the number of cores is 10, and the nominal conductor section is 2.5 mm ² 8
Delivery length
The delivery length of cable is generally more than 100 meters, and the length measurement error is not more than ± 0.5%. According to the negotiation between both parties, the delivery can be made in fixed length.