Profile backing ring PP d160-315 EN 1092 – PN10 bolt hole pattern
5152 52025

for stub flange (butt-welding connection)
With ductile iron core.
n = number of bolts.
bar = maximum operating pressure.
“EN 1092 – PN10” refers to the bolt hole pattern, not to the pressure class of the backing ring.

SPECIFICATIONS

Code
5152 52025
de/ 250
DN /250
bar 16
d1 288
D 412
k 350
b 36
d 22
n 12
M M20
r 4
kg 4,900
PU 1