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Polygonal bends

BS EN1916:2002 / BS5911-1:2002
 
Bends are manufactured by cutting pipes into two or three segments and joining them together at the required angle using an epoxy resin.

Standard bends are generally supplied in accordance with the tables below.
1
   
   

 

 

 

11.25o

22.5o

45o

Nominal Size

Leg

Total effective length

Leg

Total effective length

Leg

Total effective length

DN

mm

mm

mm

mm

mm

mm

225 – 600
675 – 750
825 – 1200
1350 - 1800

300
500
625
625

600
1000
1250
1250

300
500
625
625

600
1000
1250
1250

300
500
625
1250

600
1000
1250
2500


 

Nominal Size

90o

Leg

Total effective
length

DN

mm

mm

225 - 300

415

1250

375 - 600

415

1250

675 - 900

585

1750

1000 - 1200

835

2500

1350 and above

Contact technical department

90o bend

11

Notes:
1. Where specific angles, centre line lengths or radii are required, these must be specified at the time of order (specials made to order).
2. Bends may not necessarily have the same load-bearing capacity as the pipes with which they are to be laid.  It is therefore recommended that they should be surrounded by suitably designed in-situ concrete where significant load conditions have to be met, or where anchorage of the pipeline is required.
3. Bends have the same manufactured internal diameter and wall thickness as the pipes with which they are to be laid.
4. DN1125 pipes are not kitemarked.
 


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