Flowserve HV 215 - Manual (Page 12)

2
Pressure/Temperature Ratings of Bottom Valves
Nominal pressure PN [bar]
25
Test pressure [bar] 37.5
Temperature range for valve plug seal CR [°C] – 40 to + 50
Temperature range for valve plug seal PTFE [°C] – 50 to + 50
Connection of bottom valve body
Socket-weld ends for manifold
with O. D. 88.9 mm
Spring pressure on valve plug [N] 322 ± 30
Lift of valve plug [mm] > 2.2
Drag coefficient ζ
Loading Unloading
3.3 2.8
Explanatory Notes
– continued –
Technical data
– continued –
Item no. Component Material
– Body .0566
b
Hexagon head cap screw M6 A2-70 or A4-70
$
Hexagon head cap screw M2 A2-70
7
Seat flange .457
e
Valve plug .457
f
Compression spring .430
3
Spring plate .430
4
Stay bolt .430
0
Bellows, complete .454 and .457
68!
Gasket PTFE
Valve plug seal PTFE or CR
c
Socket-head cap screw A2-70
()
O-ring NBR 70 Shore
5
Sleeve .433
31
Weight [kg] HWV 205/1 HWV 215/1 BV 110
Body 20 20 –
Valve head 9 9 –
Hydraulic actuator 7 7 –
Control unit – 3 –
Total 36 39 2 x 6