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BALL ELEMENT FOR VALVE NODE, BALL VALVE NODE CONTAINING BALL ELEMENT, AND METHOD FOR REGULATION OF BALL ELEMENT TEMPERATURE
BALL ELEMENT FOR VALVE NODE, BALL VALVE NODE CONTAINING BALL ELEMENT, AND METHOD FOR REGULATION OF BALL ELEMENT TEMPERATURE
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机译:用于阀节点的球元件,包含球元件的球阀节点以及用于调节球元件温度的方法
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摘要
A ball member for a ball valve assembly including a valve housing, wherein the ball member (4) is rotatably arranged relative the valve housing (20) about an axis of rotation (B) and is provided with a through hole (41) forming a passageway for fluids, the ball member (4) having an outer wall (42) facing the valve housing (20) and an inner wall (43) facing the through hole (41) arranged such that a hollow space (40) is formed between the walls (42, 43), the ball member (4) further comprising temperature controlling arrangement for injecting a temperature controlling medium into the hollow space (40) so that a temperature of the inner wall and/or outer wall can be controlled and a first stub shaft (10) and a second stub shaft (11), wherein said first stub shaft (10) extending from the inner wall (43) along said axis of rotation (B), and said second stub shaft (11) extending from the inner wall (43) along said axis of rotation (B) on an opposite side of the through hole (41).
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