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the introduction of buttefly valve
2012-05-10
- BUTTERFLY VALVE consists of a disk which rotates inside the body, forming a seal against elastomeric or metal seats.
- These valves are very versatile, being used for manual or process control, on/off or throttling, and liquid or gases.
- They are often useful due to their short take-outs and comparatively lower costs.
- Butterfly valves are quater turn valves.
- Lever operators are often equipped with a squeeze handle that disengages a pin from around rack of teeth. This pin used to set the position of disk inside the valve for throttling applications.
- The valve position must be locked into place with a thumbscrew.
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