During any stabilised running condition, the spill or half ball valve is
- always varying between fully closed and fully seated.
- lightly seated.
- open fully.
Explanation
Under any steady running condition the spill (half-ball) valve bleeds off just the small surplus of pump delivery needed to hold the metered flow constant, so it floats lightly on its seat. It is not fully closed or fully open - it sits lightly seated and modulates around that position.
ggmu asking:
is it similar to bleed valve?
Community Comments (1)
J
Jordi Posts: 198 07.07.2020 / 10:58
similar yes but not the same.Just keep in mind that they almost have similar functions.
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