Control cables for coal mines
1. Execution standards
Q/YZJX001-2015、Q/YZJX004-2012及MT/T386-2011
2.Properties
Rated voltage Uo/U: 450/750V;
Working temperature: PVC insulated cable not exceeding 70C:
Cross linked polyethylene insulated cables shall not exceed 90C.
Products(refer to table 1)
Main technicalindexes of produ cts
Insulated wire core marking:
Our factory can provide ten color codes: white, red, black, yellow, blue, green, orange, gray, brown, and purple. Generally, our factory uses digital symbols to distinguish them.
Items | Unit | Indexes | Executive standard |
Air temperature | ℃ | 200±3 | GB/T2951.5-2008 |
Time for managing conditional load | min | 15 | |
Mechanical stress | N/cm² | 20 | |
elongation underload | % | 175 | |
Max.permanent elonaationafter cooling | % | 15 |
Screening inhibition coefficientof screened control cables(refer to table 3)
Types | MKVVP | MKVVP2 | MKVVRP | MKVVP2-22 |
Screening inhibition coefficient | 0.01 | 0.01 | 0.01 | 0.005 |
3.Type and description
Types | Descriptions | Main application occasions |
M KW | PVC insulated and sheathed , contro cable for coal ming | Applicable for tunnels, pipelines and some fied places.far general use in coal mine |
MKVVP | PVC insulated and sheathed ,copper wire braided screened ,control cable for ooell mine | Applicable for some fixed places raquiring screan incoal mine |
MKVVP2 | PC ingulated and sheathed ,copper tape screened contral cable for ooal mine | Applicable far some fixed places requiring screen incoal mine |
MKVV22 | PyC insulated and sheathed . steel tane armared , contro cable for coal mine | Applicable far tunnelspipelines and some fixed places which can bearcertain mechanical forces , and can be directly burled in ooe mine |
MKVV32 | PvC insulated and sheathed ,thin steel wire armored control ca ble for oga I mine | Applicable for tunnels ,pipelines,shaft and some fored places which can bear certainmechanical force and mrechanical pulling foroe . and can be direclly buried in coal mine |
MKVVR | PyC insulated and sheathed , fexble contral cable for coal mine | Applicable for places raquiring mavable and fleadbleoccaskons in coal mine |
M KVVRP | PvC insulated and sheathed , copper wine braided screened ,fexible control cable for coal mine | Applicable for places requiring mowable, flexible andscrcen accasions in coal mine |
MKVVP2-22 | Coal mine with PyC insulated PVC sheathed copper belt BingBiGangsheathed oontrol cable | Applicable to coal mime in interfereno and nged to bear langer mechanical pressure, fixedoccasion, can be directly burled |
MKYJVP2-22 | Coal mine with cross-inked polyethyylene insulated pyC sheathed coppetbelt BingBiGang sheathed control cable | Applicable to coal mine in interference and need to bear larger mechanical pressure. fixedoccasion, can be direcily buried |
MKYJV | XLPE insulated,PVC sheathed control cable for coal mine | Applicable for tunnels , pipelines and same fooed plaoes'or genere use in coel mine |
MKYJVP | XLPE insulated,PvC sheathed ,copper wire braided screened ,control cable for oaal mine | Applica ble for some fixed pla ces requiring screenoccasions in caal mine |
MKYJVP2 | XLPE insulated t PVC sheathed/copper tape screened cantrol catle for coal mine | Applica ble for some fixed pla ces requiring screenoccasions in caal mine |
MKYJV22 | XLPE insulated,PvC sheathed f steel tape armored.cantral cable far coal mine | Applicable for tunnels, pipelines and some fixed places which can bearcertain mechanical forces , and can be directly burted in caal mine |
MKYJV32 | XLPE insulated.pyC sheathed ,thin steel wire armored control cable for coal mine | Applicable for tunnels,pipelines, shat and some fied places which can bear oerlainmechanical forces and echanical pulling forces, and can be directly buried in coal mine |
MKYJVR | XLPE insulated,PvC sheathed,fleble conitrocable for coal mine | Applicable for places requiring movable and flexibleOCCaSionS in coal mine |
MKYJVRP | XLPE insulated t PVC sheathed f copper wire braided sereenedflexible control cable for ooal mine | Applicable for places requiring mowable ,flexible andscrean occaslons in coal mine |
4.Type description
Items | Codes | Descriptions |
Mining code | M | Mining cable |
Series code | K | Control cable |
Sheath material | V | PVC |
Screen material | / P P2 | Non-screen can be omitted omitted Copper wire braided Copper tape |
Armour material | 22 32 | Steel tape armored Thin steel wire armored |
Conductor types | R | )Multi-stranded flexible condu ctor(A-single conductor.B-conductor stranded by 7 wires) |
Specifi cation | Fill in core number x condu ctor cross Section(NxS) N:2、3、4、5.......61 Core number N: 2、3、4、5........61 S: 0.5、0.7 5、1.0、1.5、25、4、6、10mm² Cross section S:0.5、0.75、1.0、1.5、2.5、4、6、10mm² |
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