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Q3371
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Which component is used to manually control a valve from out side the value body?
Q3372
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In which shape three way ball valves come in fluid passageways inside the rotor?
Q3373
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If the handle is turned 90 degree between operating position the valve is called?
Q3374
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Which of the following valves has four ports equally spaced around the body?
Q3375
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What is the material of weight carrier part of dead weight safety valve?