
| PRODUCT | SIZE | CONNECTION | GRADE | MATERIAL | |||||
| CV | Check Valve |
04 | 1/4″ | MV | Male | B | BA | 316LS | SUS316L Single melt |
| 06 | 3/8″ | FV | Female | ||||||
| E | EP | 316LD | SUS316L Double melt | ||||||
| 08 | 1/2″ | LOK | Lok | ||||||
Surface Roughness
| EP | Ra ≤ 5μinch | Ry ≤ 0.7μm |
| BA | Ra ≤ 10μinch | Ry ≤ 3.0μm |
Material
| Valve parts Name | Material |
| Inlet/Outlet Body | SUS316L(Single Melt / Double Melt) |
| Gasket | SUS316 |
| Seat O-Ring | ISOLAST® J9650 |
| Poppet | SUS316L |
| Spring | SUS316 WPA |
Specifications
| Size | 1/4″ | 1/2″ |
| Cv Value | 0.35 | 1.1 |
| Maximum Working Pressure | 16.2MPa | |
| Cracking Pressure | 2.26kPa | |
| Back Pressure Seal | 29.4kPa | |
| Maximum Working Temp. | -10˚C ~ +80˚C | |
| Atmospheric Temp. | -10˚C ~ +60˚C | |
| Inbord He Leak Test Rates | ≤1X10-9 atm cc/sec | |
Product Dimension (mm)
| Model | Connection | Size | A | B | C |
![]() |
Male | 1/4″ | 19 | 53.65 | 25.4 |
| 1/2″ | 27 | 69 | 32 | ||
![]() |
Female | 1/4″ | 19 | 70 | 25.4 |
| 1/2″ | 27 | 79 | 32 | ||
![]() |
Lok | 1/4″ | 19 | 46 | 25.4 |
| 3/8″ | 27 | 55.9 | 32 | ||
| 1/2″ | 27 | 57.8 | 32 |


