| Specification Feature |
Details & Standard Compliance |
| Design Standards |
API 6D, ASME B16.34, ISO 14313, BS EN 14141 |
| Size Range |
2" to 56" (DN50 - DN1400) |
| Pressure Ratings |
Class 150#, Class 300#, Class 600#, Class 900#, Class 1500# (PN20 to PN250) |
| Body Construction |
All-Welded Forged Steel Monolithic Body (Zero Bolted Flange Joints) |
| End Connections |
Butt Weld (BW) with Custom Pup Pieces (Grade matching carrier pipe: API 5L X52, X60, X65, X70) |
| Body Materials |
ASTM A105, A350 LF2, A694 F52/F60/F65, WPHY Forgings |
| Trunnion Mounting |
Trunnion supported ball with self-lubricating PTFE/metal composite bearings |
| Seating System |
Primary polymer seal (PTFE/Devlon/PEEK) with secondary metal-to-metal fire-safe seal |
| Buried Service Features |
High-durability stem extensions, external polyurethane anti-corrosion coating, sealant injection lines |
| Testing Standard |
API 6D, API 598, ASME B31.8, ISO 5208 |
| Type & Model |
Key Features & Operating Applications |
| Buried Gas Pipeline Valves |
Installed directly underground without concrete vaults; operated via extended stem gearboxes. |
| District Heating & Steam Valves |
All-welded construction handling high-temperature hot water and district thermal loops. |
| Offshore Subsea Tie-In Valves |
Heavy-wall forged welded bodies enduring external hydrostatic seabed pressures. |
| High-Pressure Oil Trunkline Valves |
Full-bore piggable valves equipped with double block and bleed (DBB) drain connections. |
