ENDURANCE TEST PROCEDURE API 598 / ISO 5208 VALVE SIZE 4″ fullbore CLASS 600 metal seated (Vertical) |
HOT TESTING |
|
|
RESULTS |
|
|
|
|
21 |
2000 |
Clean service 350 degr C at 6 Bar air |
|
|
No failures |
ALLOWED |
(NO STANDARD) |
22 |
400 |
Clean service 350 degr C at 25 Bar air |
|
|
No failures |
ALLOWED |
(NO STANDARD) |
23 |
1000 |
Clean service 400 degr C at 6 Bar air |
|
|
No failures |
ALLOWED |
(NO STANDARD) |
24 |
250 |
Clean service 400 degr C at 25 Bar air |
|
|
No failures |
ALLOWED |
(NO STANDARD) |
Torque measurement after cooldown |
|
|
|
|
|
|
25 |
1 |
Torque measurement at 10 bar diff.pressure |
130 Nm |
|
Unknown |
|
|
|
|
26 |
1 |
Torque measurement at 20 bar diff.pressure |
175 Nm |
|
Unknown |
|
|
|
|
27 |
1 |
Torque measurement at 30 bar diff.pressure |
230 Nm |
|
Unknown |
|
|
|
|
28 |
1 |
Torque measurement at 40 bar diff.pressure |
290 Nm |
|
Unknown |
|
|
|
|
29 |
1 |
Torque measurement at 50 bar diff.pressure |
330 Nm |
|
Unknown |
|
|
|
|
30 |
1 |
Torque measurement at 60 bar diff.pressure |
440 Nm |
|
Unknown |
|
|
|
|
31 |
1 |
Torque measurement at 70 bar diff.pressure |
490 Nm |
|
Unknown |
|
|
|
|
32 |
1 |
Torque measurement at 80 bar diff.pressure |
610 Nm |
|
Unknown |
|
|
|
|
33 |
1 |
Torque measurement at 90 bar diff.pressure |
670 Nm |
|
Unknown |
|
|
|
|
34 |
1 |
Torque measurement at 102 bar diff.pressure |
700 Nm |
|
Unknown |
|
|
|
|