| Technical Specifications | Product Scope |
|---|---|
| Size | DN50–DN1400 / NPS 2–56 |
| Pressure Class | Class 150–2500 |
| Design Standards | API 600; ASME B16.34 |
| Structure | Guided wedge gate / rising stem |
| Operation | Manual / gearbox / electric / pneumatic |
| Ends | Flanged / butt-weld / clamp |
| Body Materials | Carbon steel / alloy steel / stainless steel / nickel-based alloys / copper alloys |
Gate guides and vertical stem travel maintain alignment through opening and closing.
An anti-blowout stem shoulder works with the upper seat to form the backseat arrangement.
Cobalt-alloy hardfacing provides wear, corrosion and scuffing resistance at the sealing interface.
Graphite, spiral-wound, metal-ring and pressure-seal arrangements are available within the product family, together with optional low-emission packing.
On/off isolation in process lines and unit piping.
Shutoff points in plant piping and associated utilities.
Gate-valve scope for process packages and maintenance replacement.
Material verification, shell-pressure testing and seat-leakage checks support the inspection scope.
Valve drawings, datasheets, material records and inspection reports support technical coordination.