Sanitary Hygienic Diaphragm Valve 3 Way Tri Clamp

A sanitary diaphragm valve controls and isolates clean process fluids through a flexible diaphragm that moves against a weir or seat. The diaphragm separates the process medium from the operating mechanism, reducing product retention and supporting sanitary flow control. Pneumatic actuation provides repeatable opening and closing in automated piping.

Diaphragm Isolation Supports Cleaner Process Paths

Hygienic diaphragm valves use a flexible diaphragm to separate the wetted area from the stem and actuator assembly. This arrangement reduces areas where process residue can collect and supports cleanable flow paths.
The specified construction uses SS316L stainless steel with EPDM and PTFE diaphragm options. Material selection should account for process temperature, cleaning chemicals, and fluid compatibility. Diaphragm condition should also be considered when frequent cycling or repeated cleaning is part of the operating routine.

Pneumatic Actuation and Flow Routing

A pneumatic sanitary diaphragm valve suits automated lines requiring repeatable isolation. Compressed air operates the actuator and changes the diaphragm position without manual adjustment. Actuator configuration can be matched with the required fail position and control sequence, making air supply and switching frequency relevant during selection.
A 3 way diaphragm valve uses three ports to route fluid between different pipeline paths. Port arrangement and required flow direction should be checked before selection, especially where one valve controls several process branches.

Connection and Operating Conditions

Tri Clamp Connection and Specification Range

A tri clamp diaphragm valve provides a compact hygienic connection that can simplify assembly, inspection, and maintenance. Proper alignment between the valve body, gasket, and clamp also supports consistent sealing and reduces the risk of connection-related leakage.
The specified configuration covers 1"–4" or DN25–DN100, with a maximum working pressure of 10 bar and working temperature up to 120°C. Listed standards include 3A, DIN, SMS, RJT, ISO, and IDF. Actual pipeline dimensions and operating conditions should be checked against the selected configuration.

Matching the Valve to the Process

A sanitary diaphragm valve should be selected according to pressure, temperature, diaphragm compatibility, actuation, connection dimensions, and cleaning requirements. Correct matching supports reliable isolation, stable cycling, and controlled flow in sanitary process piping.

Technical Data

Product Parameter

Product Pictures