s: nom. wall thickness
[mm]
Da : Outside diameter [mm]
p : Calc. pressure [bar]
K : 0.2% stress [N/mm 2 ]
S : Safety factor B0 table 2 (1.5)
v : Strength factor for joints
c1: Addition for neg. tolerance
c
2: Corrosion addition
(0 for non-metals)
2
1
20
c
c
p
v
S
K
p
D
s
a
+
+
+
×
×
×
=
|