A diaphragm seal with a triclamp fitting is a 3A-rated sanitary process connection because it has no thread to harbor bacteria. Turck Inc. ( turck.com ) supplied information for this column.

The DV509-UV-LF, a high-duty diaphragm valve for dispensing ultraviolet (UV) resins, employs a wetted chamber that is compatible with low- to medium-viscosity UV materials. The ...