Bronze Spring Loaded Safety Relief Valve, Open Discharge (Screwed)
| Size (Inches) | Size (mm) | A ~ | B |
|---|---|---|---|
| 1/2 | 15 | 140 | 1/2″ |
| 3/4 | 20 | 160 | 3/4″ |
| 1 | 25 | 168 | 1″ |
| 1 1/4 | 32 | 170 | 1 1/4″ |
| 1 1/2 | 40 | 200 | 1 1/2″ |
| 2 | 50 | 240 | 2″ |
Description
Salient Features
- Screwed Male End to IS 554 / BS 21 / ISO 7.
- Open Discharge Type.
- Metal to Rubber contact seating.
Test Pressure (Hydrostatic) :
Shell : 21.10 kg/cm²g (300 psig)
Seat : 10.55 kg/cm²g (150 psig)
Set Pressure Range : 0 – 10 kg/cm²g (Max.)
Maximum Working Temperature : 80°C
Materials
| P.No. | Name of Part | Material of Construction | Specification | Qty. |
|---|---|---|---|---|
| 1 | Body | Bronze | IS 318 Gr. LTB 2 | 1 |
| 2 | Disc | Bronze | IS 318 Gr. LTB 2 | 1 |
| 3 | Stem | Forged Brass | IS 6912 Gr. FLB | 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 |
