| 21. | In addition, Strate produces butterfly valves and start-up relief valves for the industry sector.
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| 22. | Many fire engines have such relief valves to prevent the overpressurization of fire hoses.
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| 23. | So we see the bicycle as a pressure relief valve for the transportation system.
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| 24. | Gas-loaded relief valves are controlled by the nitrogen pressure loaded into the relief valve.
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| 25. | The emergency pressure relief valve in the tank is called a hydrostatic pressure relief valve.
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| 26. | They are equipped with an approved pressure relief valve.
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| 27. | The pressure relief valve had been capped, and the tank was partially drained of water,
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| 28. | The pressure-relief valve is a device attached to a pipe attached alongside the water-heater tank.
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| 29. | An over-pressure relief valve in the first stage is used to protect the output hose.
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| 30. | "This means they will know there is a relief valve in Washington, " he said.
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