MGTSV Armored Mining Fiber Optic Cable – Flame-Retardant PSP Steel Tape Armor

Q1: What does MGTSV stand for?

MGTSV is a designated model for mining flame-retardant communication cables. The letters break down as follows: 

M : stands for coal mine specific (mining-specific), G stands for optical fiber cable (communication),

T : indicates a Fill-type structure(water-blocking filled structure),

S : represents steel tape armor (double-sided coated steel strip)

V : denotes the blue flame-retardant PVC outer sheath. This naming convention helps users identify the cable's construction and intended application at a glance.

Q2: What is the difference between MGTSV and MGTS?

Although both are mining flame-retardant optical cables with a similar stranded loose tube construction (multiple loose tubes stranded around a central strength member), the key difference lies in the sheathing. MGTSV has a dual-layer sheath: a black PE inner sheath plus a blue flame-retardant PVC outer sheath. MGTS, by contrast, uses a single LSZH (Low Smoke Zero Halogen) sheath, which produces less toxic smoke in a fire but costs more. MGTSV is the standard certified model for coal mine applications; MGTS emerged later as a variant for users with higher environmental requirements.

Q3: What are the key installation requirements for MGTSV?

Proper installation is critical to avoid permanent damage. The pulling tension during laying should be controlled within 600N–1500N, and only the strength member and armor layers should bear the pulling force—never pull directly on the outer sheath or optical fibers. The minimum bending radius must be ≥20 times the cable's outer diameter during installation and ≥12.5 times during operation. Cables should be suspended with mine-approved flame-retardant hooks spaced 0.8–1.0m apart, maintaining a distance of at least 30cm from high-voltage power cables. Short-term crush resistance is 3000N/100mm, while long-term crush resistance is 1000N/100mm. Before installation, always verify the MA certification mark and ensure the cable type and fiber count match the project specifications.

Q4: How do I select the right MGTSV cable for my mine?

Fiber count is the primary factor: 4–12 cores are generally adequate for distances under 5km for monitoring and communication; for longer runs exceeding 5km, 24 cores or more are recommended to provide redundant links. The cable supports fiber counts from 2 to 144 cores, with a working temperature range of -40℃ to +60℃ and an IP67 protection rating. For wet environments, water-blocking MGTSV variants (e.g., MGTSV-33) are preferred; for areas with high impact risks, double-layer armored constructions offer superior protection. Always check that the product holds valid MA/KC mining safety certification.

Q5: What is the price range and where can I buy MGTSV?

MGTSV cable is typically sold in lengths starting from 1.000 meters (MOQ) at prices ranging from approximately US0.014toUS0.014toUS2.00 per meter, depending on fiber count, construction, and order volume. For example, a 12-core MGTSV is priced around $9.35 per unit in the Chinese domestic market. MGTSV costs about 30%–50% more than standard optical cables, but its service life can be three times longer, significantly reducing long-term maintenance expenses. Suppliers can be found via major B2B platforms such as Made-in-China, Alibaba, and specialized cable manufacturers, many of which offer direct factory pricing.