Underground Voice Communication Cable Leaky Feeder MSHA Certificate

Underground Voice Communication Leaky Feeder Cable Low Smoke Halogen Free Jacket

Quick Details:

• MSHA Certificate
• Solid Oxygen Free Copper Inner Conductor
• Bare Copper Wire Braiding
• Low Smoke Halogen Free Jacket or Fire Retardant Jacket
• VHF Leaky Feeder Cable
• 75 Ohm Leaky Feeder Cable

Product description:

MSHA certified leaky feeder cable, Meet IEC1196 and EN50117.

The leaky feeder cable has a radiation pattern of 360 degrees around the cable and can be strapped directly to a centenary cable, water or air pipe. The standard length is 350m or 500m with a yellow outer jacket.

As an option, the cable can be manufactured according to order with a blue color outer jacket and low smoke halogen free jacket is also available.

Applications

• Mines underground communication system
• metro stations
• tunnels
• ships
• In-building wireless systems.
• perimeter detection

Description & Specifications:

This leaky feeder cable is of 75 ohm with oxygen free copper as inner conductor. Evenly spaced copper wire for outer conductor, the common color of outer jacket is yellow, but blue or orange color is also available.

Center conductor

Oxygen free copper

Inner conductor diameter:2.31±0.05mm(0.091±0.002 inches)

Dielectric

Gas expanded polyethylene

Diameter over dielectric: 9.53±0.2mm(0.375±0.008 inches)

Outer conductor

1. Annealed oxygen free copper wire

16 strand x 0.6±0.05mm(0.024±0.002 inches)

2. Tape for tightening copper wires

Flame retardant Jacket

Inner jacket: black PE

13.0±0.5mm(0.512±0.02 inches)

Outer jacket: PVC or low smoke zero halogen

15.0±0.2mm(0.59±0.0078 inches)

Electrical properties

Impedance : 75±3 ohms

Attenuation @160 MHZ--4.2dB/100m

DC resistance inner conductor＜4.5 ohm/km

DC resistance outer conductor＜4.1 ohm/km

Capacitance-- 54 pF/m

Insulation resistance＞10.4m ohm/km

Mechanical properties

MIN. bend radius--150mm

Operating temperature---40 to +70 centigrade

Packing

Cable length/roll—350m or 500m±2% as per customer’s preference

Reel size (Flange* Hub* Traverse): 56cm x 28cm x 50cm or 69cm x31cm x 50cm

Competitive Advantage:

• Libo cable was established in 1994, it covers over 340,000 square meters on our operating area.
• Libo cable has a stable workforce and engineering team, our production and testing procedures are all strictly follow requirement of ISO9000, and ISO14000.
• Libo cable is equipped with a Provincial-level Research and Development Center; we offer OEM and ODM services.
• Over 10 years of experiences on leaky feeder cable ,big market share in oversea leaky feeder cable industry.