This standard applies to a straight pipe, subject to an internal pressure, vvhich satisfies the follovving conditions:
d
-u-<1,7
d
s
e<0,01
The deviation from circularity e is defined as follovvs:
d -d
_ o u max_____u min
d + d
u max u min
vvhereo' can be replaced by the inside diametertf .
SFS 3274 E-1975 history
1975SFS 3274 E-1975 In the event of any differences in interpretation of this standard the Finnish version shall take precedence over this translation.