NIHON KOSO CO.
Nihon Koso Eccentric Segmental Ball Valves
Manufacturer: NIHON KOSO CO., LTD.
Features
- This series is eccentric segmental ball valve for modulating application.
- Comparing to globe valve, body is compact, ligh weight, and yet it has large Cv value, large rangeability,and can be convertible to reduced bore type (60, 40% reduce ) by changing seal ring only.
Specifications
| Body type | 210E | 220E | |
|---|---|---|---|
| Body size | 1″(25A) to 12″(300A) | 1″(25A) to 16″(400A) | |
| Body rating | ANSI Class 150 to 600, JIS 10K to 40K | ANSI Class 150 to 300, JIS 10K to 20K | |
| Fluid temperature | -45 to +400° | -45 to +400° | |
| Connections | Wafer type | Flanged (RF) | |
| Body materials | SCPH2/WCB, SCS13A/CF8, SCS14A/CF8M. etc. | ||
| Disc materials | SCS14A | ||
| Disc treatment | Chrome plated or Stellited | ||
| Seal ring materials | R.TFE, SUS316/Stellited, SUS630 | ||
| Rangeability | 100:1 | ||
| Flow characteristics | Approximate Linear (Inherent Characteristic) | ||
| Leakage | Metal seat | Rated Cv × 0.01% ANSI/FCI 70-2 Class IV | |
| Soft seat | Bubbletight ANSI/FCI 70-2 Class VI | ||
| Actuator combination | 6300RB, 6500RA, 7300RA: Pneumatic Cylinder Actuator 5200RA: Pneumatic Diaphragm Actuator 3600RB: Solid State Electronic Actuator | ||
