PN40 Non Return Valve
PN40 Flanged End
The PN40 Non-Return Valve is appropriate for use in industrial settings, including hospitals, chemical plants, recycling facilities, and processing water installations for media like steam, process water, air, and oil. Due to stainless steel construction, it can be used in somewhat aggressive applications.
Standard Material:
| P. No. | Description | Materials | Specifications |
|---|---|---|---|
| 1. | BODY | C.S. | ASTMA 216 GR. WCB |
| 2. | BODY SEAT RING (HB 250 Min.) | 13% Cr. STEEL | ASTMA 182 Gr. F6a or its Eq. |
| 3. | DISC | C.S. | ASTMA 216 GR. WCB |
| 4. | BUSH | 13% Cr. STEEL | ASTMA 182 Gr. F6a or its Eq. |
| 5. | GASKET | S.S. (TYPE-304) SPIRAL WOUND GRAPHIOL FILLED | |
| 6. | COVER | C.S. | ASTMA 216 Gr. WCB |
| 7. | NUTS | H.T. STEEL | ASTMA 194 Gr.2H |
| 8. | STUDS | ALLOY STEEL | ASTMA 193 Gr.B7 |
Pressure / Temperature Ratings BS:5160
| NOMINAL PRESSURE | MAX. PERMISSIBLE GAUGE WORKING PRESSURE °C | ||||||
|---|---|---|---|---|---|---|---|
| 10 TO 120°C | 200°C | 250°C | 300 °C | 350 °C | 400 °C | 425 °C | |
| PN-40 | 40 bar | 40 bar | 38 bar | 33 bar | 28 bar | 23 bar | 20 bar |
Test Pressure:
- Class : PN40
- Shell Test (HYDROSTATIC) : 60 Bar
- Seat Test (HYDROSTATIC) : 40 Bar