Sealing Collars

Application

Space between the protective shell (casing) and pipeline (pipe diameter from 57 to 1720 mm) at crossovers under motorways and railways, as well as other utility structures in all climatic zones at temperature from -60˚С to +50˚С

Specification

No.ParameterStandard value
1 Nominal tensile strength, MPa (kg/cm), minimum 6.9 (70)
2 Elongation at fracture, %, minimum 250
3 Shore hardness, units Shore А 60±10

Installation

  • 1 – steel casing
  • 2 – pipeline
  • 3 – collar
  • 4 – collar cover
  • 5 – small fixture clamp for collar
  • 6 – large fixture clamp for collar
  • 7 – bolted connection
  • 8 – connection of two semi-casings of covers
  • 9 – base and guide dielectric ring -spacer
  • 10 – control pipe

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