JACKETED wafer type non-return valve
Salient Features and Specialities:
- Specially Designed for 300oC fluid (Hot Oil / Steam / Hot water / Cold Water)
- Longer life
- Compact design
- Corrosion resistant
- Low pressure drop
- Spring closing arrangements for the prevention of reverse flow the pipelines.
- These valves are general purpose valves that are stronger, lighter and smaller than conventional swing check valves and therefore, less expensive to install and maintain.
- Suitable for higher pressure /temperature (up to 400oC).
- Compact design for simple installation between wide ranges of flange types.
- It can be mounted in any plane/direction.
- Extremely low opening pressures.
- Spring assisted silent closing.
- Available sizes 15mm to 100mm,suitable for PN6-PN40 and 150/300.
- Weight and Dimension are same for class 150 & class 300 valves.
- Valves are self-centering type.
- Zero leakage for soft seated valves.
- The maximum permissible leakage rate shall be 3 cubic centimeters per inch of nominal pipe size for metal-seated valves.


| Sr.No. | NAME OF PARTS | MATERIAL |
|---|---|---|
| 1 | BODY | S.S.316 / 304 |
| 2 | BALL | S.S.316 / 304 |
| 3 | SPRING | S.S.316 |
| 4 | CIRCLIP | S.S.316 |
| 5 | JAKETPIPE | S.S.304 |
| 6 | SEAT | VITON |
| 7 | 1/ 2"COUPLINE | S.S.304 |
| 8 | METAL SEAT | S.S.316 / 304 |
| SIZE | A (in mm) | B (in mm) | C (in mm) |
|---|---|---|---|
| 1/2" | 30 | 14 | 60 |
| 1" | 40 | 25 | 70 |
| 11/2" | 50 | 40 | 88 |
| 2" | 50 | 50 | 106 |
| 21/2" | 55 | 65 | 126 |
| 3" | 60 | 76 | 148 |
| 4" | 65 | 100 | 166 |