DHJ41H-16CDHJ41H-16C|DHJ41H-25C|DHJ41H-64C|DHJ41H-100C水封截止阀
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针型阀,高压针型阀,仪表针型阀,针型阀厂,针型阀生产厂家
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面议DSZ64H-16C|DSZ64H-25C|DSZ64H-40C|DSZ64H-64C焊接水封闸阀
面议DSZ964H-16C|DSZ964H-25C|DSZ964H-40C|DSZ964H-64C水封电
面议DSZ944H-16C|DSZ944H-25C|DSZ944H-40C|DSZ944H-64C水封电
面议DSZ40H-40C|DSZ44H-64C水封闸阀
面议DHJ41H-16C|DHJ41H-25C截止阀(Globe Valve):截止阀的启闭件是塞形的阀瓣,密封面呈平面或锥面,阀瓣沿流体的中心线作直线运动。阀杆的运动形式,有升降杆式(阀杆升降,手轮不升降),也有升降旋转杆式(手轮与阀杆一起旋转升降,螺母设在阀体上)。截止阀只适用于全开和全关,不允许作调节和节流。
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|DHJ41H-64C|DHJ41H-100C水封截止阀