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Ball valves are quarter-turn, straight-through valves that have a round closure element with matching rounded seats that permit uniform sealing stress. The valve gets its name from the ball that rotates to open and close the valve. Ball valves are used in situations where tight shut-off is required. They are wide duty valves, able to transfer gases, liquids and liquids with suspended solids (slurries).

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Posted: 2/14/17 in Electrical Engineering
We are currently running an extruder with a 400 HP DC motor. The motor is running at about 900 rpm, rated for 1750. Ignoring efficiencies based on new...
Posted: 2/15/17 in Electrical Engineering
So i recently graduated and started my first job. Anyone have any tips because i feel like ill be lucky if i survive the first week. I keep getting...

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