Direct Answer: Flame-retardant mining communication cables are safety cables for control, monitoring and communication signals in coal mines. They are produced to standards MT818.14-1999 and QB/DSXH001-2010, and include types such as MHYV, MHJYV, MHYBV, MHYAV and MHYA32. These cables resist flame propagation and operate within a long-term conductor temperature range of -40°C to +50°C, with a minimum installation temperature of -10°C.
What are flame retardant mining communication cables and what standards do they follow?
Flame-retardant mining communication cables are safety-type cables used to transmit control, monitoring and communication signals in coal mines. Common types include MHYV, MHJYV, MHYBV, MHYAV and MHYA32, each intended for signal transmission rather than power delivery (source).
Production of these cables follows the standards MT818.14-1999 and QB/DSXH001-2010. Buyers can use these standard numbers as a baseline reference when reviewing product documentation (source).
What are the temperature limits and construction features of these cables?
Flame-retardant mining communication cables have a long-term allowable conductor operating temperature of -40°C to +50°C. The minimum installation temperature is -10°C, which matters when planning work in cold underground conditions (source).
MHYBV illustrates a typical construction: PE insulation, braided shielding, galvanized steel wire braided armor and a PVC sheath. This combination is used in fully mechanized coal mining faces, main roadways or inclined roadways (source).
Where are flame retardant mining communication cables typically used?
These cables carry control, monitoring and communication signals in coal mines. Their role is signal transmission in safety-related mine environments rather than general-purpose wiring (source).
MHYBV is used in fully mechanized coal mining faces, main roadways or inclined roadways. These locations place demands on mechanical protection and signal continuity (source).
Mining communication optical cables such as MGTS, MGXTW and MGXTSV serve as a core transmission medium for safe coal mine production and intelligent mining. These optical cables combine flame retardancy, explosion protection, moisture and corrosion resistance with high capacity and long-distance transmission, and are used in horizontal roadways and inclined shafts with high interference (source).
What should B2B buyers consider when sourcing flame retardant mining communication cables?
B2B buyers should first verify that the cable type and documentation reference MT818.14-1999 and QB/DSXH001-2010. Standard compliance is a practical starting point for comparing offers from a flame retardant mining communication cable supplier.
Buyers should also match the cable to site conditions, including the long-term conductor operating temperature range and the minimum installation temperature. Cable construction, such as shielding and armor, should align with the interference and mechanical demands of the intended roadway or face.
Company public information reference
Anhui Xinghua Cable Co., Ltd. is a cable manufacturer based in Anhui, China. The company states that its product range includes control cables, power cables, flame-retardant mining communication cables, computer cables, signal cables, monitoring cables, 1kV and 10kV overhead insulated cables, building wires, aluminum stranded conductors, and ACSR.
Frequently Asked Questions (FAQ)
What are the temperature limits for flame-retardant mining communication cables?
The long-term allowable conductor operating temperature is -40°C to +50°C, and the minimum installation temperature is -10°C. These limits are stated in the product standard reference (source).
What standards do coal mine flame-retardant communication cables follow?
They are produced to standards MT818.14-1999 and QB/DSXH001-2010. Compliance with these standards is a key reference for safety and interoperability (source).
Where are flame-retardant mining communication cables typically used?
They are used for control, monitoring and communication signals in coal mines, including fully mechanized coal mining faces, main roadways and inclined roadways. Mining communication optical cables are also used in horizontal roadways and inclined shafts with high interference (source; source).