ITT SSV 用户手册
14
TORQUE VALUES
Pump Size
Tie Rod Nuts
Vent and Drain
1SV
22 lbs ft (30 N .m)
15 lbs ft (20 N .m)
2SV
22 lbs ft (30 N .m)
15 lbs ft (20 N .m)
3SV
37 lbs ft (50 N .m)
15 lbs ft (20 N .m)
4SV
37 lbs ft (50 N .m)
15 lbs ft (20 N .m)
33, 46,
44 lbs ft (60 N .m)
29 lbs ft (40 N .m)
66, 92SV
11. System head too high.
12. NPSHA too low – excessive suction lift or losses.
13. Discharge head too low – excessive flow rate.
14. Fluid viscosity, specific gravity too high.
15. Worn bearing.
16. Pump, motor or piping loose.
12. NPSHA too low – excessive suction lift or losses.
13. Discharge head too low – excessive flow rate.
14. Fluid viscosity, specific gravity too high.
15. Worn bearing.
16. Pump, motor or piping loose.
TORQUE VALUES
HP
Motor
Motor Bolt
Adapter Flange
Coupling
Frame
1-4SV
33-92SV
¾
56C
20 lbs ft (27 N .m)
–
15 lbs ft (20 N .m)
1
56C
20 lbs ft (27 N .m)
–
15 lbs ft (20 N .m)
1½
56C
20 lbs ft (27 N .m)
–
15 lbs ft (20 N .m)
2
56C
20 lbs ft (27 N .m)
–
15 lbs ft (20 N .m)
3
56C
20 lbs ft (27 N .m)
–
15 lbs ft (20 N .m)
5
184TC 20 lbs ft (27 N .m)
–
15 lbs ft (20 N .m) 37 lbs ft (50 N .m)
7½
184TC 20 lbs ft (27 N .m)
–
15 lbs ft (20 N .m) 37 lbs ft (50 N .m)
10
213TC
45 lbs ft (61 N .m) 30 lbs ft (40 N .m) 30 lbs ft (40 N .m) 48 lbs ft (65 N .m)
215TC
15
215TC
45 lbs ft (61 N .m)
30 lbs ft (40 N .m) 30 lbs ft (40 N .m) 48 lbs ft (65 N .m)
254 TC
48 lbs ft (65 N .m) 48 lbs ft (65 N .m)
20
254TC
45 lbs ft (61 N .m) 48 lbs ft (65 N .m) 48 lbs ft (65 N .m) 48 lbs ft (65 N .m)
256TC
25
256TC
45 lbs ft (61 N .m) 48 lbs ft (65 N .m) 48 lbs ft (65 N .m) 48 lbs ft (65 N .m)
284TC
30
284TC
45 lbs ft (61 N .m) 48 lbs ft (65 N .m) 48 lbs ft (65 N .m) 48 lbs ft (65 N .m)
286TC
40
284TC
45 lbs ft (61 N .m) 48 lbs ft (65 N .m)
48 lbs ft (65 N .m)
286TC
50
324TSC
45 lbs ft (61 N .m) 48 lbs ft (65 N .m)
48 lbs ft (65 N .m)
326TSC
60
326TSC
45 lbs ft (61 N .m) 48 lbs ft (65 N .m)
48 lbs ft (65 N .m)
364TSC
75
365TSC
45 lbs ft (61 N .m) 48 lbs ft (65 N .m)
48 lbs ft (65 N .m)
NOTE: Discharge loop must be high enough to keep liquid in the bottom stages during shut-down.