Forged Steel Globe Bellow Seal Valve
The Forged Steel Globe Bellow Seal Valve is designed for reliable isolation and throttling applications where zero stem leakage is essential. Its precision-engineered bellows seal eliminates the possibility of fugitive emissions, ensuring enhanced safety and environmental protection. The forged steel construction provides superior strength, durability, and resistance to high pressure and temperature conditions, making it ideal for steam, thermal oil, toxic fluids, and other critical process media in power, chemical, petrochemical, and oil & gas industries.
Description
| Specification | Details |
| Size Range | ½” (15 NB) to 2″ (50 NB) |
| Pressure Class | ASME Class 150, 300, 600, 800, 1500, 2500 |
| Temperature Range | -29°C to +550°C (depending on material & packing) |
| Body Material | ASTM A105, A182 F11, F22, F304, F304L, F316, F316L, F91 |
| Bonnet Material | Same as Body Material |
| Bellows Material | SS304, SS316, Inconel 625, Hastelloy (optional) |
| Disc Material | SS410, SS304, SS316, Stellite Hardfaced |
| Seat Material | Integral Seat / Stellite Overlay |
| Stem Material | SS410, SS420, SS431, SS316 |
| Packing | Flexible Graphite / Graphite Rings |
| Design Standard | API 602, BS 5352, ASME B16.34 |
| Face-to-Face | ASME B16.10 / Manufacturer Standard |
| Testing Standard | API 598, ISO 5208 |
| End Connections | Socket Weld (SW), Screwed (NPT/BSP), Butt Weld (BW), Flanged |
| Operation | Handwheel, Gear Operated (optional) |
| Leakage Performance | Zero Stem Leakage with Multi-ply Bellows Seal |
| Applications | Steam, Thermal Oil, Heat Transfer Fluids, Toxic & Hazardous Media, Chemical, Petrochemical, Power Plants, Oil & Gas |
