3 Way Converging and Diverging Control Valve
Body: WCB, WC6, CF8, CF8M
Bonnet: WCB, WC6, CF8, CF8M
Seat: SS304, SS316, Stellite
Plug Metal Sealing: SS304, SS316, Stellite
Plug Soft Sealing: SS304, SS316, Stellite
Cage: SS304, SS316
Guide Sleeve: SS304, SS316
Stem: SS304, SS316
Balanced Piston: Steel, Aluminium
Balanced Piston Ring: Fluorine Ring, SS+Reinforced PTFE, Flexible Graphite Ring
Nominal Size: DN20 to DN400
Pressure: PN 16 to PN 100, Class 150 to Class 600
End Connection: Flanged, RF, MF, RTJ
| Flow Characteristics | Linear, Percentage, Quick Open | ||
|---|---|---|---|
| Allowable range | 50: 1 (CV<6.3 30: 1) | ||
| Rated Cv value | Percentage CV 1.6 to 630 ,linear CV 1.8 to 690 | ||
| Allowable leakage | Metal seal: IV grade(0.01% rated capacity) Soft seal: VI grade(foam grade) |
||
| Performance | Pneumatic | Electric | |
| Allowable tolerance, % | ?1.5 | ?1.0 | |
| Return difference, % | ?1.5 | ?1.0 | |
| Dead zone, % | ?0.6 | ?1.0 | |
| Difference from beginning to end point, % | ?2.5 | ?2.5 | |
| Rated travel difference, % | ?2.5 | ?2.5 | |
| Note : specification on the basis of control valve with positioned and PTFE packing. | |||
Dimensions:
