low-noise valve [机] 低噪声阀
In addition, high precision valve plates allow increased self-priming speed and low noise operation.
此外，精度高，阀板可以增加自吸速度和低噪音的运作。
Baumann 25000 butterfly control valve is a low torque and low noise butterfly valve.
鲍曼25000蝶阀控制阀是一种低扭矩，低噪音蝶阀。
It is corrosion resistant, pollution free and with low noise, and easy to move, also, vacuum-adjusting valve can be added according to the needs of customers.
耐腐蚀、无污染、噪音低、移动方便，还可根据用户需要加装真空调节阀。
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