External, flush diaphragm featured in a tank spud design requires hydraulic fluid to transmit pressure to measuring instrument.
To ensure protection from harsh media and cleaning agents in sanitary applications, WIKA's tank spud clamped diaphragm seals are available with various wetted materials.
With a large diameter, the tank spud diaphragm seal also provides great exposure to the process pressure, which ensures accurate pressure readings.
Process Connection
4" Tank Spud
Instrument Connection
Capillary, ¼" or ½" NPT-female
Suitable Pressure Ranges
15 psi to 600 psi
Available Options (connections, materials, etc.)
See Selection Guide on data sheet