Mounting units

Application of specifications

Customer (primary) Normtive documentation Specific diameter (mm) Operating pressure (MPa)
Gazprom Public Company

TU specs 1469-007-56802935-2010*

TU specs 1469-010-56802935-2012*

50 to 1400

50 to 1400

up to 9.8 MPa

up to 11.8 MPa

* - according to Gazprom and DNV specifications and standards

Example of piping unit designation

  • 2-530(11,8)*219(8)-760/520/300-9,8-S-UHL-TU1469-007-56802935-2011
  • TU specs code
  • climatic design
  • m - gasline area category
  • p - operating pressure, Mpa
  • L3 - bent tubular element length, mm
  • L2 - piping right-hand ring length, mm

Applicable coding designation

  • A, A1, A2, A3 ... center-to-center spacing, mm
  • L1, L2, L3... reel length, mm
  • B, B1 — piping unit dimensions, mm
  • DN — rated diameter
  • t — rated thickness of piping wall joined to pipeline
  • R — bent tubular radius, mm
  • D450, D900 — outside bent tubular element diameter and bent angle, mm
  • φ — bent tubular element angle, deg

  • L1 — piping left-hand ring length
  • t0 — rated thickness of piping wall joined to a branch or bent tubular element (T-joint), mm
  • d — outside bent tubular element diameter, mm
  • tm — rated thickness of piping wall joined to pipeline or bent tubular element, mm
  • D — outise main piping T-joint diameter, mm
  • unit code: 1 - tubular element, 2 - T-joint, 3 - taper, 4 - bottom, 5 - prefabricated unit, 6 - valve

Outlet

Outlet

Outlet

 

T-joint

T-joint

T-joint

T-joint

 

Spacious-T-joint

Spacious-T-joint

Spacious-T-joint

 

Adapter

Adapter

 

Valve

Valve

Valve

 

Outlet T-joint

Outlet T-joint