Butwelding Fittings Tolerance

Nominal 
Pipe Size
Outside Diameter
Wall Thickness
Center to End
Lenght of Reducers 
Lenght of Caps 
pol./Inch.
mm.
pol./Inch.
mm.
pol./Inch.
mm.
pol./Inch.
mm.
pol./Inch.
mm.
pol./Inch.
mm.
2.1/2"
e menor
+1.6-0.8
Not less then 
87,1/2 % 
of the Nominal Wall Thickness 
±1.6
±1.6
±3.2
3"a 4"
+1.6
±1.6
±1.6
±3.2
5"a 8"
+2.4-1.6
±1.6
±1.6
±6.4
10"a 18"
+4.0-3.2
±2.4
±2.4
±6.4
20"a 24"
+6.4-4.8
±2.4
±2.4
±6.4

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