| 11. | Dam, gate valve, water and fish at the right side of the shield represent Vintar-Laoag-Bacarra irrigation system.
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| 12. | Because of their ability to cut through liquids, gate valves are often used in the petroleum industry.
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| 13. | Mueller Co . also acquired Columbia Iron Works, a Chattanooga, Tennessee-based manufacturer of hydrants and gate valves in 1933.
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| 14. | If there is a fire the gas should be shut off at the gate valve of the biogas system.
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| 15. | A ram-type BOP is similar in operation to a gate valve, but uses a pair of opposing steel plungers, rams.
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| 16. | Two gate valves ( one before and one after the RPZD ) are provided to allow for testing and repair.
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| 17. | In 1957, the Spanish company started producing gate valves, check valves, needle valves and butterfly valves for the marine industry.
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| 18. | "' Mueller Co . "'is a Chattanooga, Tennessee-based company that manufactures fire hydrants, gate valves, and other water distribution products.
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| 19. | On opening the gate valve, the flow path is enlarged in a highly nonlinear manner with respect to percent of opening.
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| 20. | For extremely thick fluids, a specialty valve often known as a "'knife gate valve "'is used to cut through the liquid.
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