Materials of Construction (MOC)
| Component | Material Specification |
|---|---|
| Body & Bonnet | Stainless Steel (ASTM A351 Gr. CF8/CF8M) |
| Stem / Spindle | SS 304 / SS 316 |
| Seat / Trim | PTFE / RPTFE / Integral |
Technical Specifications
| Parameter | Specification / Standard |
|---|---|
| Manufacturing / Design Standard | ASME B16.34 / API 603 / API 6D |
| Testing Standard | API 598 / EN 12266-1 |
| Pressure Rating | Class 150 to Class 600 / PN16 / PN40 |
Technical Specifications
| Parameter | Specification / Standard |
|---|---|
| Manufacturing / Design Standard | ASME B16.34 / API 603 / API 6D |
| Testing Standard | API 598 / EN 12266-1 |
| Pressure Rating | Class 150 to Class 600 / PN16 / PN40 |
Features & Benefits
Flexible Wedge Design
Single-piece flexible wedge with centre slot auto-aligns to both seats under line pressure, ensuring tight seal even with seat irregularities.
Full Port for Pigging
Body bore matches pipe inside diameter, allowing pipeline pigging and inspection tools to pass without obstruction.
Extended Bonnet
Positions packing and handwheel above frost line; prevents ice formation on operating mechanism.
Bidirectional Isolation
Valve seats and wedge are symmetric; flow direction does not affect shutoff capability.
Cryogenic Charpy Testing
All pressure-containing castings impact-tested at -196°C to verify toughness and prevent brittle failure.