...
2025-08-14 17:28
1700
...
2025-08-14 17:28
2840
...
2025-08-14 17:08
1745
...
2025-08-14 16:54
365
...
2025-08-14 16:29
429
...
2025-08-14 16:13
129
...
2025-08-14 16:09
884
...
2025-08-14 16:04
58
...
2025-08-14 15:43
2019
...
2025-08-14 15:32
890
Structural Engineering Considerations for Deep Pit Pumping
3. Casing
Materials: Materials used for shaft sleeves include hardened stainless steel and ceramic-coated materials.
b. NPSH (Net Positive Suction Head):