Diaphragm Seals

Diaphragm SealsDiaphragm Seals Introduction42For Applications Where:" Process fluid is corrosive and could attack or destroy the instrument" Process fluid is solid laden or viscous and could block the instrument element" Process fluid could solidify and immobilize the instrument element; I.E. freeze or polymerize" Corrosives" Sanitary Systems" Suspended Solids" Viscous Fluids" Cleanable Systems" Freezing Fluids" Food, Beverage and Dairy" Filtration Systems" Pulp & Paper" Pharmaceuticals" Petrochemical" Water TreatmentDiaphragm seals are suitable for use with bourdon tube typepressure gauges, recorders, transmitters, etc. Used as an attachment,the thin flexible diaphragm serves as a separating member stoppingthe medium from entering the gauge thereby preventing cloggingand corrosion. The instrument bourdon tube, connection and all spaceabove the diaphragm are evacuated and solid filled with a liquidwhich transmits the process pressure to the instrument elementthrough movement of the diaphragm.