August 2019

Special Focus: Valves, Pumps and Turbomachinery

Benefits of close-coupled flush rings

The chemical industry uses flush rings for diaphragm seals.

Ambacher, A., AS-Schneider

The chemical industry uses flush rings for diaphragm seals. These rings prevent clogging of the instrument connection. The technician mounts the ring between the process flange and the diaphragm seal. It has flushing ports and membranes. The flushing ports allow users to wash out particles in front of the membrane. It also has a pressure chamber, which users can vent, drain or fill with cleaning liquid. The user can then flush the chamber. Why use close-coupled products? Users often ask why close-coupled products are recommended. The reason is that users can save time and money while increasing their safety level. Close coupling reduces the risk of leakage. This feature is critical in the

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