There are 3 kinds tube bundle: DB tube bundle, DI tube bundle, TW tube bundle.
DB ( Direct Bury )
The outer sheath is rugged
High Density Poly Ethylene HDPE providing excellent protection from the physical environment. An Aluminum layer is added to provide additional strength
● Silicone coated ducts
● Available Water Blocking tape
● ( Aluminum or Fabric) installed
● Two Layer of Sheath
● Available Tracer Wire, Ripcords installed
DI ( Direct Install )
microducts are surrounded by a layer of moisture-barrier metallic or non-metallic tape and a flexible sheath of black HDPE.
DI ducts can be installed in pre-existing pipes or sub-ducts.
TW ( Thick Wall )
Thick Walled Microduct is designed for direct burial. Its superior blowing characteristics and sufficient thickness
of thesub duct Walls often results in no additional protective ducts required.
Thickwalledmicroducts can be branched off easily and the primary tube can be directly buried as a
microduct. All TW duct are silicone coated. Available Tracer Wire, Ripcords installed