Flowserve HV 215 - Manual (Page 16)

6
Mounting flange
– continued –
Attention
Installation
– continued –
After the annealing process check the seating surfaces and, if necessary, clean, rework or cut them.
The reference dimension S varies as a function of the drop forging tolerance and must be
compensated for by the diameter D of the valve mounting flange.
Longitudinal axis of boiler
Valve joint as specified
by local authority
Reference dimension varies as a function of the drop forging tolerance
S
+4.3 -
.6
0
+4.3 -
.6
35
32°
∅ 430 +6
∅ D
∅ 365
∅ 55