Wednesday, February 7, 2018

[MW:27324] lateral equal tee

We are facing confusions in fit-up during equal lateral branches 
fit-up for 12 "× 12" pipe  Drawing  (

As per the formula 
LCB(long cut back length) should be =     R /  Tan(deg/2) = 162/Tan(22.5) = 391 mm
 SCB(short cut back length) should be=    R X Tan(deg/2) =  162 X Tan(22.5)=67 mm

But in shop actual dimensions are LCB =    378 mm
      SCB=     40 mm

Please give solution ... 

how to make template please advice me   

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