Pneumatic valve and damped gears are used for bottle conveying, the noise is low and the whole machine runs smoothly.
采用托瓶提升气缸，油尼龙齿轮转动，噪声小，整机运转平稳。
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。
Test result indicates that the main noise source is the valve clearance impact under the condition of low speed, while the main source is valve-seating impact under the condition of high speed.
试验结果表明发动机低速时配气机构噪声主要由气门间隙敲击引起的，而高速时主要由气门落座时撞击引起的。
Its safety valve features are compact in structure, good in opening-closing characteristic and low in noise.
其安全阀结构紧凑，启闭性能好，噪声小。
Its safety valve features are compact in structure, good in opening-closing characteristic and low in noise.
其安全阀结构紧凑，启闭性能好，噪声小。
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