Inline check valves (SUS)NR2-S series
- Supports high pressure ranges up to 10 MPa.
- Alternative materials such as SUS316L and Hastelloy are also available.
| Fluid | Water, Oil, Air, Gas, Steam |
|---|---|
| Temperature | PTFE：-40C to +200C |
| Pressure* | PTFE：0-2MPa Metal：0-3MPa Stellite : 0-10MPa |
| Size | 8-25A |
| Cracking Pressure | 1.0-7.4kPa(It depends on the Flow direction) |
| Flow rate Accuracy | plus minus 30-50% |
Valve Specification
| Model | Connection | Port | Pressure | CV Value |
Weight kg |
|
|---|---|---|---|---|---|---|
| Size | Type | |||||
| NR2-S-8 |
1/4
|
Rc
|
2WAY
|
PTFE： 0-2.0MPa
|
0.7
|
0.18
|
| NR2-S-10 |
3/8
|
2.0
|
0.30
|
|||
| NR2-S-15 |
1/2
|
3.5
|
0.45
|
|||
| NR2-S-20 |
3/4
|
6.5
|
0.55
|
|||
| NR2-S-25 |
1
|
11.0
|
0.90
|
|||
| NR2-S-8Q |
1/4
|
0-3.0MPa
|
0.7
|
0.18
|
||
| NR2-S-10Q |
3/8
|
2.0
|
0.30
|
|||
| NR2-S-15Q |
1/2
|
3.5
|
0.45
|
|||
| NR2-S-20Q |
3/4
|
6.5
|
0.55
|
|||
| NR2-S-25Q |
1
|
11.0
|
0.90
|
|||
| NR-S-8U |
1/4
|
0-10.0MPa
|
0.7
|
0.75
|
||
| NR-S-10U |
3/8
|
2.0
|
||||
| NR-S-15U |
1/2
|
3.5
|
||||
| NR-S-20U |
3/4
|
6.5
|
1.97
|
|||
| NR-S-25U |
1
|
11.0
|
3.25
|
|||
Cracking Pressure [kPa]
| Model | Cracking Pressure [kPa] | ||
|---|---|---|---|
| FLOW | |||
| ↓ | → | ↑ | |
| NR2-S-(8 to 25) | 1.0±30％ | 3.2±30％ | 5.3±30％ |
| NR2-S-(8 to 25) Q | 1.0±30％ | 3.2±30％ | 5.3±30％ |
| NR2-S-(8 to 25) U | 6.6±50％ | 7.0±50％ | 7.4±50％ |
Main Parts List
| NR2-S-** | ||
|---|---|---|
| No | Name of Parts | Materials |
| 1 | Body A | SUS304 |
| 2 | Spring | SUS304W |
| 3 | Valve | SUS3O4 |
| 4 | Valve Disk | PTFE |
| 5 | Body B | SUS304 |
| 6 | Body Packing | PTFE |
| NR2-S-**Q | ||
|---|---|---|
| No | Name of Parts | Materials |
| 1 | Body A | SUS304 |
| 2 | Spring | SUS304W |
| 3 | Valve | SUS3O4 |
| 4 | Valve Disk | SUS304 |
| 5 | Body B | SUS304 |
| 6 | Body Packing | PTFE |
| NR2-S-**U | ||
|---|---|---|
| No | 名称 | 材質 |
| 1 | Body A | SUS304 |
| 2 | Spring | SUS304W |
| 3 | Valve | SUS3O4 |
| 4 | Valve Disk | SUS304＋Stellite |
| 5 | Body B | SUS304 |
| 6 | Body Packing | FKM |
** comes in size.
Dimensions
| Model | Size | Dimension mm |
||
|---|---|---|---|---|
| φd | L | A | ||
| NR2-S-8 | 1/4 | 8.5 | 60 | 25 |
| NR2-S-10 | 3/8 | 12.5 | 70 | 30 |
| NR2-S-15 | 1/2 | 14 | 80 | 35 |
| NR2-S-20 | 3/4 | 20 | 90 | 40 |
| NR2-S-25 | 1 | 25 | 100 | 50 |
| Model | Size | Dimension mm |
||
|---|---|---|---|---|
| φd | L | A | ||
| NR2-S-8Q | 1/4 | 8.5 | 60 | 25 |
| NR2-S-10Q | 3/8 | 12.5 | 70 | 30 |
| NR2-S-15Q | 1/2 | 14 | 80 | 35 |
| NR2-S-20Q | 3/4 | 20 | 90 | 40 |
| NR2-S-25Q | 1 | 25 | 100 | 50 |
| Model | Size | Dimension mm |
||
|---|---|---|---|---|
| φd | L | A | ||
| NR2-S-8U | 1/4 | 8.5 | 90 | 42 |
| NR2-S-10U | 3/8 | 12.5 | ||
| NR2-S-15U | 1/2 | 14 | ||
| NR2-S-20U | 3/4 | 20 | 120 | 60 |
| NR2-S-25U | 1 | 25 | 150 | 70 |
