| 摘要 |
A diaphragm valve has a valve body with a passage to be opened to allow fluid to pass through the valve body and to be closed to prevent fluid from passing through the valve body, and has a bonnet assembly with a pressure ring to load and unload a diaphragm based on a first spring constant to seal a peripheral portion of the diaphragm, and a compressor to close or open the passage of the valve body. The valve body and bonnet assembly have a connection that allows the valve body and bonnet assembly to be substantially fixed together with a second spring constant that is substantially higher than and independent from the first spring constant. |
