Brief Description: The company solemnly declare: 1, signed product quality assurance and undertaking - substandard products not manufactured. Within two years, product quality tracking service, and customer service records in the archives of 20 years. 3 Ensure product quality problems, I will guarantee, refunding, replacement, to meet customer requirements Details: Coal mine fire communications cable MHYV/MHYBV/MHYVP/MHY32 coal flame retardant communication cable MHYV / MHYBV / MHYVP / MHY32 details: Coal mine fire communications cable MHYV/MHYBV/MHYVP/MHY32 one, the product uses and characteristics of the product is suitable for mining, underground environment monitoring system to transmit communications signals. This product is flame-retardant products. Second, the implementation of standards MT818.14-1999 "Coal mine fire communications cable" and corporate standards Q/JG1710-2006. Third, the use of features 1, cable long-term working temperature: -30 ~ 60 ℃ 2, cable laying temperature: not lower than 0 ℃ 3, MHYV bend radius of not less than 10 times the cable diameter. MHYBV bend radius of not less than 10 times the cable diameter. MHYVP bend radius of not less than 10 times the cable diameter. MHY32 bend radius of not less than 15 times the cable diameter. Third, the model, name, use the main use of the model name MHYV Coal insulated PVC sheathed communication cables used in mines for general signal transmission, for fixed laying MHYBV Coal insulated galvanized steel wire braid armor PVC sheathed cable is used where high mechanical shock primary signal transmission MHYVP Coal insulated braided shield PVC sheathed cable is used to farm a larger place for interference signal transmission, suitable for fixed installation MHY32 Coal insulated steel wire armored PVC sheathed communication cables for the drift, shaft or inclined primary signal transmission four, the main technical indicators Item Unit Index 0.4 0.75 1.0 1.5 20 ℃ Conductor DC resistance of less than Ω / km 43.8 24.5 18.1 12.1 Working capacitance cable is not greater than μF / km 0.06 resistance AC power frequency voltage 1min, 1.5kV cable inductance less than μH / km 800 far-end crosstalk attenuation is not less than dB / km 70 Our solemn declaration: 1 the signing of the product quality assurance and undertaking - substandard products not manufactured. Within two years, product quality tracking service, and customer service records in the archives of 20 years. 3 Ensure product quality problems, I will plant the warranty, refund, replacement, to meet customer requirements. Specifications: According to customer requirements Quantity: MOQ is 100 m, 100 m -200 m prices go up Packing: a few meters short of the disc packaging, a few meters long cable shaft packing Price Description: Phone negotiated price based on decline in copper prices go up at any time Updates Contact Sales Department (General Manager) Revise office phone number 15731627778 15731627778 landline 0316-5726723