DIMENSIONS IN MM
| MM | INCH | A | Bdia | C | Ddia | Edia | F | G |
| 15 | 1/2 | 85 | 21.7 | 14 | 84.5 | 9 | 157 | 150 |
| 20 | 3/4 | 90 | 27.1 | 14 | 90 | 13 | 174 | 156 |
| 25 | 1 | 100 | 33.7 | 14.5 | 90 | 19 | 196 | 176 |
| 40 | 1.1/2 | 128 | 48.6 | 17 | 105 | 30 | 267 | 250 |
TABLE-J
MATERIAL SPECIFICATIONS
FOR NON RETURN VALVES
| Sr.No | Description. | Qty | Material
| Specifications |
| 1. | Bolt | 4 | Alloy Steel | ASTM A 193 Gr. B7 |
| 2. | Cover | 1 | Forged Steel | ASTM A 105 |
3.
| Gasket
| 1 | Spiral Wound
S.S.With 304 | ASBESTOS FILLER |
| 4. | Body | 1 | Forged Steel | ASTM A 105 |
| 5. | Disc | 1 | Stainless Steel | AISI410 |
| 6. | Seat | 1 | Stainless Steel | AISI410 |
|
