Caution: the sealing surface for the diaphragm on the top flange of the valve body receives special factory preparation to enhance sealing with PTFE diaphragms.
警告：用于阀体法兰上的隔膜的密封面在工厂受到特殊的处理，以强化聚四氟乙烯隔膜的密封性能。
2
Selection of sealing liquid for the purpose to protect the reliability and security of the diaphragm meter in use, applicable sealing liquid for specific use shall be selected appropriately.
密封液的选择为保证隔膜表使用可靠性和安全性，应根据不同用途选择合适的密封液。
3
In order to acquire a good hermetic seal between the diaphragm and the base plate, two sealing methods were used, namely, compound method and crystallite method.