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pipe end expander

 

Detailed

 

Parameter/Model

KJ-14/914(965)×12500

KJ-20/1422×12500

KJ-25.4/1422×12500

Expanded steel pipe

spirall welding pipe

spirall welding pipe

spirall welding pipe

Expanding mode

mechanically expanding

mechanically expanding

mechanically expanding

Range of expanded steel pipe

Diameter(mm)

Φ323.9¡«Φ914

Φ508¡«Φ1422

Φ610¡«Φ1422

Wall thick(mm) 5¡«14 6¡«20 6¡«25.4
Max.material X70 X70 X70

Expanding length

Flat and straight section(mm)

150

150

150

Transiting section(mm) 100 100 100

Expanding ratio

≤1.5%D

≤1.5%D

≤1.5%D

Production efficiency

less than Φ508mm,2 min./pcs.

less than Φ711mm,3 min./pcs.

less than Φ813mm,3 min./pcs.

less than Φ508mm,3min./pcs. less than Φ711mm,4-5 min./pcs. more than Φ711mm,4-5 min./pcs.

Requirements to pipe body

conform with the requirements of API spec5L std.,(the 42th edition) to the deviation of pipe body,and the inner welding seam within 250mm from ends of the pipe has been grinded,and the surplus height is no more than 0.5mm.

Pipe end after expanding

ovality

0.5%D(on basis of over 0.3% of expanding ratio)

0.5%D(on basis of over 0.3% of expanding ratio)

0.5%D(on basis of over 0.3% of expanding ratio)

Diameter(measuring on circumference) D+1.6-0.5 D+1.6-0.5 D+1.6-0.5

Weight(kg)

42000

55000

800000

 

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