No. SS2-VFR100-0100 Azbil Corporation - 2 - Trim Valve plug Eccentric rotary open yoke plug with wing Seat ring Clamp seat ring Material For combinations of valve body, trim materials and fluid temperatures, refer to Table 1. Actuator Type Spring type pneumatic diaphragm actuator Action Direct or reverse action Diaphragm Chloroprene rubber reinforced with nylon fabric Spring range 80 to 160 kPa {0.8 to 1.6 kgf/cm2}or 180 to 270 kPa {1.8 to 2.8 kgf/cm2} 90 to 160 kPa {0.9 to 1.6 kgf/cm2} or 190 to 270 kPa {1.9 to 2.8 kgf/cm2} Note) Spring range and air supply pressure vary according to nominal size. Supply pressure 340 to 490 kPa {3.5 to 5.0 kgf/cm2}, Air connection Rc1/4 internal thread Ambient temperature -30°C to +70°C Maximum diaphragm chamber capacity . VR3D (R) : 5800 cm3 . VR3HD (R) : 5200 cm3 Valve action Direct or reverse action Positioner (optional) VPR pneumatic positioner or SVP electro-pneumatic positioner (Refer to their respective specification sheets.) Optional accessories (provided upon request) Pressure regulator with filter, handwheel, limit switch, solenoid valve, motion transmitter, booster relay, lock-up valve, and others. Note) 1) For the optional items, refer to the specification sheets and installation drawings of respective accessories. Additional specifications (special order) . Multi-hole plate (built-in type) . Special inspections Flow characteristic inspection, material inspection (Material certificate), non-destructive inspection, steam inspection, low temperature inspection . Flange type . Copper free treatment . Oil/water free treatment . SUS304 atmosphere-exposed nuts and bolts . Sand-/dust-preventive measures . Special air connections and joint . Cold-area use specifications . Saline damage countermeasures . Tropical-area use specifications . Vacuum service . Yoke material (SCPH12)* . Compliance to the High Pressure Gas Control Law Note) *: Carbon steel (A216 WCB) is the standard material for yoke used in actuator model RSA. Performance Rated Cv value Refer to “Cv value and travels” on page 4. Flow characteristics Refer to Figure 2. Inherent rangeability 100 : 1 Allowable differential pressure Refer to Table 6 and Table 7. Leakage specifications IEC 60534-4:2006 or JIS B 2005-4:2008 . Metal seat IEC-60534-4-1999 or JIS B 2007-1993 Class IV : Leakage less than 0.01% of maximum valve capacity. Leakage less than 0.001% (optional) . Soft seat Class VI : Leakage less than 0.00001% of maximum valve capacity. Hysteresis error Within 1% F.S. Linearity Within ± 2% F.S. Operation speed (from fully closed to fully open) . VR3D (R) : 21 sec. (With air supply pressure 340 kPa {3.5 kgf/cm2} for VR3 using model VPR positioner and pressure regulator with filter, and with no load.) Dimensions Refer to Figure 4 and Table 12. Weight Refer to Table 12. Mounting position Refer to Figure 5. Finish Blue (Munsell 10B5/10) or silver, or other specified colors.