The valve petal USES the spring to load, its quick closedown can effective reduce the hammer pressure, the sealing property is good, the closure does not have the noise.
阀瓣采用弹簧加载，其快速关闭能有效的减小水锤压力，密封性能好，关闭无噪声。
The valve petal USES the spring to load, its quick closedown can effective reduce the hammer pressure, the sealing property is good, the closure does not have the noise.
阀瓣采用弹簧加载，其快速关闭能有效的减小水锤压力，密封性能好，关闭无噪声。
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