Specification

Body
Type : Single seated , direct or reverse type , globe valve.
Material : Cast iron(FC250)，Carbon steel (SCPH2)
Stainless steel(SCS13A，SCS14A，SCS16A)
Cast hastelloy C,B,
End connections : Flanged end (FF，RF) of Butt-welded type
Pressure rating: JIS10K，20 K，30K，40K；ANSI Class 150，
300，600.DIN PN10，PN16，PN25，PN40.
Bonnet : Please refer to page 6
Gland packing : V-teflon , Grafoil.
Gaskets: Non-asbetos,Teflon,Gylon,SUS304/Grafoil,
SUS316/Grafoil
Guiding : Top guide,Top and bottom guide.
Face-to-face : ISO5752
Leakage class by : FCI 70-2-2003

Trim
Stem : SUS304，SUS316，SUS316L
Valve plug : Single seated
Plug characteristics :equal percentage ,linear and on-off.
Plug action : Push-down close
Materials: SUS304，SUS316，SUS316L，SUS440C，
Hastelloy  C、B

Actuator
Type : multi -spring diaphragm actuated ,
direct or reverse.
Diaphragm material : Neoprene with fabric insert.
Air supply: 1.4，2.4，2.8，3.2㎏/cm2
Spring range: 0.2~1.0㎏/cm2，0.4~2.0㎏/cm2
0.6~2.2㎏/cm2，0.8~2.4㎏/cm2
Pneumatic : tubing connection:1/4?PT female tap.
Ambient temperature: -20℃~+70℃

Valve action
Air to open or air to close by using direct or
reverse actuator.

Accessory
Manual loader , positioner,solenoid valve,
Limit switch,Air regulator & others.

Performance
Rangeability:1/2hrough 1? 30:1,1-1-2hrough 6? 50:1
Allowable seat leakage:
Metal seat:less than 0.01% of rated Cv by FCI 70-2-2003
Soft seat : FCI 70-2-2003

Type of Bonnets

Flow Rate Characteristic Curve

Allowable Shut-off Pressure

Dimension of Control Valves

Flange Table

Saturated Steam Table

Reynolds no. correct factor FR

Calculation Formula

Flow Characteristic of Plug