Spring Balance
A balancing mechanism for pressure vessel manhole covers uses two sets of conical disc springs, mounted on a common pull rod from the open vertical position to the closed position.
A balancing mechanism for pressure vessel manhole covers uses two sets of conical disc springs, mounted on a common pull rod from the open vertical position to the closed position.
- A balancing mechanism for pressure vessel manhole covers
- Consists of two sets of conical disc springs
- Mounted on a common pull rod from the open vertical position
- Weight Range : 10~30kg / 30~60kg / 60~100kg
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