Five Common Methods for Preventing Nut From Loosening
Nuts, spring washers, stop washers, and split pins are generally used on valves to prevent loosening. The following are 5 common methods for preventing nut from loosening.
1. Double nut locking
2. Spring washer compression
3. Locking washer clamped
4. Toothed washer clamped
5. Cotter pin to prevent loosing