Pre-insulated Reductions

These are the fittings that can be used in diameter changes taking place on pre-insulated pipe systems in accordance with the standard TS EN 448.Pre-insulated fitting manufacturing is available and suitable for all product types such as plastic, etc., and the production standards and norms may vary according to the type of the carrier pipe.

CARRIER PIPE(d1)* NOMINAL DIAMETER DN Ø25 Ø32 Ø40 Ø50 Ø65 Ø80 Ø100 Ø125 Ø150 Ø200 Ø250 Ø300 Ø350 Ø400 Ø450 Ø500 Ø600 Ø700 Ø800 Ø900 Ø1000 Ø1100 Ø1200
INCH 1" 1 1/4" 1 1/2" 2" 2 1/2" 3" 4" 5" 6" 8" 10" 12" 14" 16" 18" 20" 24" 28" 32" 36" 40" 44" 48"
CASING PIPE OUTER DIAMETER (D1) mm 90 110 110 125 140 160 200 225 250 315 400 450 500 560 630 710 800 900 1000 1200 1200 1400 1400
L1 (mm)** 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500 500
CARRIER PIPE (d2)* CASING PIPE L2 (mm)**  
NOMINAL DIAMETER OUTER DIAMETER (D2)
DN Inch mm
20 3/4" 90 500 x x x x x x x x                              
25 1" 90 500   x x x x x x x x                            
32 1 1/4" 110 500     x x x x x x x x                          
40 1 1/2" 110 500       x x x x x x x x                        
50 2" 125 500         x x x x x x x x                      
65 2 1/2" 140 500           x x x x x x x x                    
80 3" 160 500             x x x x x x x x                  
100 4" 200 500               x x x x x x x x                
125 5" 225 500                 x x x x x x x x              
150 6" 250 500                   x x x x x x x x            
200 8" 315 500                     x x x x x x x x          
250 10" 400 500                       x x x x x x x x        
300 12" 450 500                         x x x x x x x x      
350 14" 500 500                           x x x x x x x x    
400 16" 560 500                             x x x x x x x x  
450 18" 630 500                               x x x x x x x x
500 20" 710 500                                 x x x x x x x
600 24" 800 500                                   x x x x x x
700 28" 900 500                                     x x x x x
800 32" 1000 500                                       x x x x
900 36" 1100 500                                         x x x
1000 40" 1200 500                                           x x
1100 44" 1400 500                                             x
  • The table is prepared by taking seamed steel pipe as basis for carrier pipe.
  • L1 and L2 lengths may vary according to different requests.
  • K patent reduction length may vary according to the requested reduction type.
  • Yalçın Boru reserves the right to make changes on this and all other data in the brochures, written documentation and on its website. You may contact our company for getting up-to-date information.
 
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