PTFE Diaphragms

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PTFE Diaphragms

PTFE Diaphragms

PTFE / EPDM Backing (Center bonded)

PTFE / EPDM backing offer the highest resistance to severe chemical and solvent services, intermittent steaming, and salts in water at high temperature.

Temperature Range: -0°F to 302°F (-17°C to 150°C)
Size Range: 1” – 6” (DN25-DN150)*
Grade: PTF

PTFE / EPDM Backing (Fully laminated)

PTFE / EPDM backing offer the highest resistance to severe chemical and solvent services, intermittent steaming, and salts in water at high temperature.

Temperature Range: -0°F to 302°F (-17°C to 150°C)
Size Range: 1/2” – 6” (DN8-DN150)*
Grade: PTFL

PTFE(TFM) / EPDM Backing (2-piece)

PTFE (TFM) / EPDM backing offer the highest resistance to severe chemical and solvent services, intermittent steaming, and salts in water at high temperature. PTFE (TFM) has the highest density and lowest permeation of any PTFE diaphragm grade.

Temperature Range: -0°F to 302°F (-17°C to 150°C)
Size Range: 1/2” – 6” (DN8-DN150) *
Grade: TFM

PTFE(TFM) / FPM Backing (2-piece)

PTFE (TFM) / FPM backing offer the high resistance to strong acids, solvents, chlorine, bromine at higher temperatures. PTFE (TFM) has the highest density and lowest permeation of any PTFE diaphragm grade.

Temperature Range: -0°F to 360°F (-17°C to 182°C)
Size Range: 1/2” – 6” (DN8-DN150) *
Grade: TFM

• * Size range not available for all OEM’s. Please consult with Diaphragm Direct® for an available listing of current sizes.

• The above list is for general purposes only. Please consult a process engineer or call Diaphragm Direct® for specific service assistance.

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