- 1 - 6th edition No. SS2-8110-0400 OVERVIEW The top guiding single seated valve with body ratings of ANSI900, JIS 63K or up has a single fuided construction. Ample throttling area is proven by the guiding parts, which result in durable construction and disassembling and inspection with ease. SPECIFICATIONS Body Type: Straight-through, cast globe valve Nominal size:1, 1., 2, 2., 3, 4, 5, 6 inches Pressure rating:JIS 63K, ANSI900, 1500, 2500 End connections: Flange end Welded end (socket weld; 3 inches or less and butt weld; 2. inches or more) Material: Carbon steel (SCPH2), Low alloy steel (SCPH21, 32, 61), Stainless steel (SCS13) and other alloy steel Gland type: Bolted gland Bonnet: Plain bonnet (0 to 200°C) Radiator finned bonnet (over 200°C) Packing: Graphite packing and others Drain plug: Optional Trim Valve plug: Single seated, Equal percentage (%C) Linear (LC) Material Stainless steel (SUS 304 stellite coating furnished to the seat or entire surface), SUS440C and other alloy steel Actuator Type Spring type pneumatic disphragm actuator (direct or reverse action) or model DAP springless type piston cylinder actuator Diaphragm material Chloroprene rubber with favric reinforced Spring range 20 to 98 kPa {0.2 to 1.0 kgf/cm2} 40 to 200 kPa {0.4 to 2.0 kgf/cm2} 20 to 180 kPa {0.2 to 1.8 kgf/cm2} 80 to 240 kPa {0.8 to 2.4 kgf/cm2} Connection type Pressure rating Applicable standard RF JIS63K JIS B2217-1967 ANSI Class 900, 1500, 2500 ANSI B16.5-1968 JPI Class 900, 1500, 2500 JPI-7S-15-1993 RJ ANSI Class 900, 1500, 2500 ANSI B16.5-1968 JPI Class 900, 1500, 2500 JPI-7S-15-1993 Air supply pressure Diaphragm actuator....................250 or 270 kPa {2.6 or 2.8 kgf/cm2} Piston cylinder actuator ......490 kPa {5 kgf/cm2} Air tubing connection: Rc1/4 internal thread (VA4, VA5 and 490 kPa {5 kgf/cm2} type: Rc1/2 with Rc1/4 adapter, also available Rc3/8 adapter) Ambient temperature: -30°C to +70°C Valve action Air-to-close or air-to-open available by using direct or reverse actuator. Non-reversible body. Optional accessories Positioner, Handwheel (side or top mounted) Limit switch, Motion transmitter, Volume booster, Air lock relay and other avaialble Performance Leakage specification IEC 60534-4:2006 or JIS B 2005-4:2008 Class IV Leakage less than 0.01% of maximum valve capacity Hysteresis error (with positioner): 1% F.S. or less Linearity (with positioner): ± 1% F.S. or less Rangeability: 30:1 Dimensions Refer to “Table 5” on page 4. Finish Blue (Munsell 10B5/10), silver or other specified colors. High Pressure Service Top-Guided Single Seated Control Valves (Rating : ANSI 900 to 2500) Model VST 1 10 Specifications are subject to change without notice. “This product is designed for general industrial use.”