1. Product Summary
| Parameter | Specification |
|---|
| Product | Bronze Spring Loaded Safety Relief Valve, Open Discharge (Screwed) |
| Design standard | Per datasheet |
| Material | Bronze |
| Service | Water, Oil, Air |
| Max working temperature | 80°C |
2. Design Features
- Screwed Male End to IS 554 / BS 21 / ISO 7
- Open Discharge Type
- Metal to Rubber contact seating
3. Hydrostatic Test Pressures
| Test | Pressure |
|---|
| Shell | 21.10 kg/cm²g (300 psig) |
| Seat | 10.55 kg/cm²g (150 psig) |
4. Bill of Materials
| P.No. | Part | Material | Spec. | Qty. |
|---|
| 1 | Body | Bronze | / Forged Brass IS 318 Gr. LTB 2 / IS 6912 Gr. | 1 |
| 2 | Disc | Bronze | IS 318 Gr. LTB 2 | 1 |
| 3 | Stem | Bronze | IS 318 Gr. LTB 2 | 1 |
| 4 | Spring | Spring Steel | EN 47 Gr. B | 1 |
| 5 | Spring Disc | Bronze | IS 318 Gr. LTB 2 | 1 |
| 6 | Chamber | Bronze | IS 318 Gr. LTB 2 | 1 |
| 7 | Check Nut | Bronze | IS 318 Gr. LTB 2 | 1 |
| 8 | Adjusting Screw | Bronze | IS 318 Gr. LTB 2 | 1 |
| 9 | Disc Facing | Nitrile Rubber | IS 5192 – 1 | 1 |
| 10 | Guide | Bronze | IS 318 Gr. LTB 2 | 1 |
| 11 | Nut | Brass | – – – | 1 |
| 12 | Split Pin | Brass | – – – | 1 |
5. Sizes / Dimensions
| Size (Inches) Size (mm) A (Max.) B |
|---|
| 170 | 1/2″ |
| 170 | 3/4″ |
| 190 | 1″ |
| 1 | 1/4 | 32 | 203 | 1 | 1/4″ |
| 1 | 1/2 | 40 | 225 | 1 | 1/2″ |
| 2 | 50 | 265 | 2″ |
6. Enquiries
Email: info@supremevalves.in · Tel: +91 97732 78770