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J-Lock Connector Bands (Optional) are pre-pierced to align with the ring mounting holes and are used to sandwich the duct fabric helping to prevent tear-out.
Collapsed Storage Wires (Optional) are resistance welded to each ring so that when a duct section is not in use it can be collapsed lengthwise and the storage wires hooked together holding the duct to shortened length for storage.
Constrution: J-Lock Connector rings are made of 20-Gauge, 304 Stainless Steel with a 2B finish and feature T.I.G. welded, butt-joint seams for a smooth circumference. Lock pins are of solid Stainless Steel, cold-headed into the ring.
Bands: (Optional) are of 0.020"X 5/8" 304 Stainless Steel. Storage Wires are 3/16" Dia. Stainless Steel wire resistance welded to each connector ring.
Sizes: Standard sizes are designed for fabric covered wire duct 12, 14, 16, 20, and 24 inches in diameter. Other sizes are easily produced but require custom set-ups and a 12 piece minimum order.
Aluminum Sleeves allow fabric duct to be spliced by placing the sleeve inside each end of the splice and securing with band clamps. Made of 0.040" X 4" Aluminm with T.I.G. welded butt joint seam and a roll-formed rib on each edge to help retain the band clamp.