Forged and welded bends

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Forged and welded bends
 

Spec. TU 1469-006-00153229-2001*
Spec. TU 1469-006-00153229-2009**
Spec. TU 1469-035-00153229-2015**
Spec. TU 1469-040-00153229-2017

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  Forged and welded bends
  Forged and welded bends
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* Тechnical specification included in the Registry of Main Product Types Purchased by Transneft
** Тechnical specification included in the Registry of Gazprom Piping Products

The bends are designed to connect piping of same diameterpositioned angularly towards each other and ensure the line is redirected smoothly.

Reference example of 90° knuckle bend for pipe outside diameter (OD) 720 mm, wall thickness (WT) 16 mm, strength class K60, operating pressure 7.5 MPa at service factor m=0.6; climate design UKhL:

ОКШС 90°-720(16К60)-7,5-0,6-УХЛ
ТУ 1469-006-00153229-2009

ENG: OHShS 90°-720(16K60)-7,5-0,6-UKhL
Spec. TU 1469-006-00153229-2009

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Norms and Regulations Nominal diameter, DN Operating pressure, Pop, MPa Bend angle, deg Rotation radius, DN
Spec. TU 1469-006-00153229-2001 500… 1200 up to 11.8 30, 45, 60, 90 1.0; 1.5
Spec. TU 1469-006-00153229-2009 300… 1400 up to 16.0 30, 45, 60, 90 1.0; 1.5
Spec. TU 1469-035-00153229-2015 300… 500 up to 16.0 30, 45, 60, 90 1.0
600… 1000 up to 9.8 30, 45, 60, 90 1.0
300… 500 up to 32.0 30, 45, 60, 90 1.5
600… 1000 up to 16.0 30, 45, 60, 90 1.5
1200… 1400 up to 11.8 30, 45, 60, 90 1.5
Spec. TU 1469-040-00153229-2017 300… 1200 up to 32.0 30, 45, 60, 90 1.5

The bends are available in performance different from specified in the table (pressure, service factor or climate design) or for connection with piping of different thickness. Bends are available with adaptor rings (length at least 250 mm) acc. to SNIP III.42.80 upon request and may come with external insulation coating according to Specifications TU 1469-011-00153229-2012 and TU 1469-006-00153229-2001.