Greater Noida West and Hapur, Uttar Pradesh
| Bolted Bonnet |
| ASME Class 150 (Figure No. 1531) and 300 (Figure No. 3031) |
| Cast carbon, stainless steel or alloy steel |
| Flanged ends or butt weld ends |
| Standard trim is API trim 12 with 316Ti bellows |
| Each valve is shell, seat and backseat pressure tested per industry standard API 598 |
| Bellows are hydro-formed rather than welded |