Barry D.E.W. Line^TM - Dielectric Helicopter Longline for Military Applications

Technical Publications

The Barry D.E.W. (Dielectric Even Wet) Line^TM is the most advanced helicopter longline available. This insulating helicopter longline is designed for work in energized fields on high voltage systems (AC or DC).

• Working Load Limit: 2 268 kg (5 000 lb) for 4 years; 1 361 kg (3 000 lb) for 2 additional years
• Diameter: 16 mm (5/8”)
• Colour: Orange with green terminations
• Weight: 14.1 kg (31 lb) for 30 m (100’)
• Standard lengths: 50’, 75’, 100’, 125’ and 150’ (Other lengths available upon request)

Recommended option:

• # LLEC-W25NC-NDR5: Weighted end-cover, adjustable weight up to 11 kg (25 lb) for V_ne 60 knots without underslung load
• #LLEC-W50NC-NDR5: Weighted end-cover, adjustable weight up to 22 kg (50 lb)

Meets or exceeds the dry or wet electrical requirements of:

• ASTM F1701 - 12
• CAN/ULC S-801-14
• IEC 62192:2009
• IEEE 516-2009 (tested to 105 kV DC)

Arc-Flash rated

• Resistant to 40 cal/cm² (category 4)

Conforms to

• ASME B30.12-2011
• U.S. DOI Solicitation No. D11PS30354

Characteristics

• Service life: 6 years
• Shelf life: 8 years
• Unique insulating properties
• Exceptionally low leakage current, whether dry or wet
• Stable leakage current throughout the electrical test period
• High strength
• Excellent resistance to changing weather conditions, UV, corona effect and temperature extremes
• Sealed construction keeps moisture and dust out
• Wear indicator favours easy inspection
• Alloy pear ring at top end
• Easy storage in provided transport bag with desiccant

Custom Fabrication

• Rope length
• Accessories (rings, hooks, etc.)

Safety

• Permanent ID tag and top-end indicator
• Certificate of compliance issued with each longline
• User instructions manual included