This PARA-SEAL valve is high performance butterfly valve of high durability, high seating performance.
It has several different seal ring constructions suitable to various service applications.
BUTTERFLY VALVES710E: Eccentric PARA-SEAL Valves (PARA-SEAL E/Wafer)
720E: Eccentric PARA-SEAL Valves (PARA-SEAL E/Flanged)
732E: Triple Offset PARA-SEAL Valves (PARA-SEAL E/Flanged)
SpecificationsBody type710E720EBody size3"(80A) to 24"(600A)Body ratingANSI Class 150 to 300, JIS 10K to 20KFluid temperature-196 to +500°ConnectionsWafer typeFlanged (RF)Body materialsSCPH2/WCB, SCS13A/CF8, SCS14A/CF8M etc.Disc materialsSCPH2/WCB, SCS13A/CF8, SCS14A/CF8M etc.Disc treatmentChrome plated or StellitedRangeability60° Opening/25:1
90° Opening/50:1Flow characteristicsApproximate Eq% (Inherent Characteristic)Seal ring typeFNFVCSKSSeal ring materialsR. TFER. TFER. TFEKel-FBack ring materialsNBRVITONSUS316SUS316Seat LeakageBubbletight ANSI Class VIActuator combination6300RB, 6400RB, 6500RA, 7300RA: Pneumatic Cylinder Actuator
3500RB, 3600RB: Solid State Electronic Actuator
5200RA: Pneumatic Diaphragm ActuatorBody Type732EBody Size3"(80A)~96"(2400A)RatingANSI/ASME Class 150~1500Temperature-196~600°ConnectionRF RTJBody materialsSCPH2/WCB, SCS13A/CF8, SCS14A/CF8M etc.Disc materialsSCPH2/WCB, SCS13A/CF8, SCS14A/CF8M etc.Disc treatmentChrome plated or StellitedRange ability60° Opening/25:1
90° Opening/50:1Flow characteristicsApproximate Eq% (Inherent Characteristic)Seal ring typeLaminated or MetalSeal ring materialsSUS316L/Graphite or SUS630/PHSeat leakageFCI70-2 CLASS V or CLASS VIActuator combination6300RB, 6400RB, 6500RA, 7300RA: Pneumatic Cylinder Actuator; 3500RB, 3600RB: Solid State Electronic Actuator; 5200RA: Pneumatic Diaphragm Actuator
