Flame retardant steel tape armored control cable MKVV22 4 * 1.5 for coal mines

Flame retardant steel tape armored control cable MKVV22 4 * 1.5 for coal mines

MKVV: PVC insulation+sheath structure, suitable for underground fixed laying control systems.

Voltage: 450/750V

MKVVP: Adding a braided shielding layer on top of MKVV to resist electromagnetic interference, suitable for strong electromagnetic environments in substations and power plants

MKVV22: Steel belt armor, resistant to pressure and rodent bites, used for main roads or high mechanical damage risk areas

MKVV32: Thin steel wire armor with high tensile strength, suitable for scenarios such as vertical and inclined shafts that require tensile strength

Flexible cable model

MKVVR: Soft structure design, cross-sectional area of 0.5-6mm ², suitable for mobile device wiring

MKVVRP: Flexible cable+shielding layer, cross-sectional area 0.5-4mm ²

Cross linked polyethylene model

MKYJVP: Cross linked polyethylene insulation with better temperature resistance than PVC and flame retardancy in accordance with MT386 standard

Cross section: 0.75-2.5mm ² (partially supporting 10mm ²)

Core count: 2-61 cores (recommended 2/4/12/24 cores, etc.)

2、 Key performance and usage specifications

Temperature requirements:

Long term working temperature: ≤ 70 ℃ 6

Laying temperature: ≥ 0 ℃ 23

Protective features:

Shielding type: resistant to strong electromagnetic interference below 500KV

Armor type: Steel strip (22 type) anti pressure, steel wire (32 type) anti tension

Flame retardant standard: compliant with MT386-1995 and MT818-1999 coal mine safety regulations

3、 Comparison of typical application scenarios

Model numberApplicable scenariosCore advantages

MKVVUnderground fixed equipment control circuit (such as instrument connection)Lightweight and low-cost

MKVVP/MKVVP2Weak current system, strong electromagnetic field interference area (such as substation)Strong ability to block interference

MKVV22High voltage risk areas such as mining tunnels and main roadsSteel strip compression and rodent bite prevention

MKVV32Complex geological excavation face, hanging scene, fine steel wire tensile and impact resistance

MKVVRPMobile device wiring (in shielded situations)Dual characteristics of softness and anti-interference

Flame retardant steel tape armored control cable MKVV22 4 * 1.5 for coal mines

MKVV cable, MKVVP cable, MKVVP2 cable, MKVV22 cable, MKVV32 cable, MKVVR cable, MKVVRP cable, MKVVP22 cable and other specifications and models of flame-retardant control cables for coal mines, with cable cores of 2,3,4,5,7,8,10,12,14,16,19,24,27,30,37,44,48,52,61

MKVV(2-14)*(4-6)mm2 ,(2-10)*10mm2 (2-61)*(0.75-2.5)mm2 MKVV22(7-61)*(0.75-1.5)mm2 (4-61)*2.5mm2 (4-14)*(4-6)mm2 MKVVP(7-61)*(0.75-1.5)mm2 (4-61)*2.5mm2 (4-14)*(4-6)mm2 MKVVP22(7-61)*(0.75-1.5)mm2 (4-61)*2.5mm2 (4-14)*(4-6)mm2

Mining control cable models: MKVV, MKVV22, MKVV32, MKVVR, MKVVP, MKVVRP, etc. Detailed description: 1. Mining flame-retardant control cables have excellent flame-retardant properties compared to general control cables. Meets the flame retardant performance requirements of MT818 coal mine flame retardant cables and MT386. 2. Scope of application: Control cables are suitable for control, monitoring circuits, and protection lines with AC rated voltage of 450/750V and below. Characteristics of use of control cables: 1. The conductor's long-term allowable working temperature is 70 ℃. 2. The ambient temperature during installation is ≥ 0 ℃. 3. Small bending radius: 4. For unarmored cables, it should not be less than 6 times the outer diameter of the cable. 5. Cables with armored or copper tape shielding structures should not be less than 12 times the outer diameter of the cable. 6. Flexible cables with shielding structures should not be less than 6 times the outer diameter of the cable

Note: The recommended core series are: 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 16, 19, 24, 30, 44, 48, 52, and 61 cores

1. Rated voltage 450/750v

2. The length of the cable conductor allows for a working temperature of 70 degrees Celsius

3. The laying temperature of the cable should not be lower than 0 degrees Celsius, and the allowable bending radius should be selected;

4. The cable without armor layer should not be less than 6 times the outer diameter of the cable

5. Cables with armor or copper tape shielding structures should not be less than 12 times the outer diameter of the cable.

6. Flexible cables with shielding structures should not be less than 6 times the outer diameter of the cable.