039 PTFE DIAPHRAGM (EL-PTFE) VALVE BODY (EL-PVDF) LINER (FOR REINFORCEMENT) U-BOLT (FOR REINFORCEMENT) PVDF CUSHION COVER (GAS BARRIER) DIAPHRAGM INSERTED METAL (HIGHLY CORROSION-RESISTANT SPECIAL METAL) * The PVDF cushion cover is sandwiched between the PTFE diaphragm and the cushion. * The U-bolt is provided for sizes of 65 mm or more. DIAPHRAGM VALVE / OPTIONS OPTIONS In addition to the standard product lines described on the previous pages, the following options are also available according to your requirements: For corrosive fluid transport lines, we offer PVDF cushion cover accessories having excellent gas barrier performance to prevent deterioration due to permeation of gas from the diaphragm. For chlorine gas lines in electrolysis plants, we offer electrolytic options using highly corrosion resistant special metal to prevent corrosion of embedded diaphragm fittings. For lines in harsher conditions, we offer EL Model comprising a main body (EL-PVDF) made of special materials and a PTFE diaphragm (EL-PTFE). 15 - 100 mm: Standard model applicable 125 - 250 mm: Made-to-order * For details, contact our sales office in your area. . Soda electrolysis plant / returned brine . 88°C, 0.3 MPa, used for 5 years ［EL-PVDF］ Without blister ［PVDF］ With blister . PVDF Cushion Cover Model . Electrolytic Model . EL Model CUSHION (EPDM) DIAPHRAGM INSERTED METAL (SUS304) PTFE DIAPHRAGM PVDF CUSHION COVER (GAS BARRIER) DIAPHRAGM INSERTED METAL (HIGHLY CORROSION-RESISTANT SPECIAL METAL) CUSHION (EPDM) PTFE DIAPHRAGM PVDF CUSHION COVER (GAS BARRIER)