Sluice Valves?

Answer

A sluice valve is also known as a gate valve. A gate valve works by inserting or removing a round or rectangular wedge in order to start or stop the flow of liquid. Sluice valves are often used in the petroleum industry.
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Q&A Related to "Sluice Valves?"
Sluice valves are so named because they operate similarly to a sluice gate. By turning a handle, a gate is lowered into the pipe, blocking the flow. Sluice valves are not designed
http://www.ehow.com/facts_5887260_sluice-valve_.ht...
A sluice is any watercourse controlled by a moving plate at its end, like a portcullis, in a set of grooves to change the opening size or close it. It is not just the gate/control
http://wiki.answers.com/Q/What_is_the_difference_b...
Meaning regulator consisting of a valve or gate that controls the rate of water flow through a sluice Synonym(s) floodgate (what does floodgate mean?) head gate (what does head gate
http://www.ollla.com/what-does-sluice-valve-mean
The gate valve, also known as a sluice valve, is a valve that opens by lifting a round or rectangular gate/wedge out of the path of the fluid. The distinct feature of a gate valve
http://qna.rediff.com/questions-and-answers/what-i...
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