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API 600API 6DASME B16.34
Heavy-duty cast-steel gate valves for dependable on-off isolation, available in bolted-bonnet Class 150–600 and pressure-seal Class 900–2500 designs.
| Size Range | 50mm–1000mm (2"–40") |
| Pressure Rating | Class 150–2500 |
| Design Standard | API 600 / API 6D for Class 150–600; ASME B16.34 for pressure-seal designs |
| Testing | API 6D / API 598; ASME B16.34 for pressure-seal designs |
| End Connections | Flanged or ASME B16.25 butt weld; ring joint and tongue-and-groove options |
| Flow Direction | Bi-directional isolation |
| Actuation | Handwheel, bevel gear or electric actuator |
| Production Capacity | Shared GGC line: 50,000 units/year |
| Category | Gate |
Key Features
Engineered for Performance
- Heavy-duty OS&Y rising-stem design
- Flexible or solid wedge
- Bolted bonnet or pressure-seal bonnet
- Renewable seat ring
- Non-rising handwheel
- Optional bypass and pressure-relief arrangement
- Back-seat and live graphite packing arrangement
Need custom specifications? Our engineering team can help you find the right solution.
Material Options
Typical Materials of Construction
| Body & bonnet / cover | ASTM A216 WCB; ASTM A217 WC6, WC9 or C12A; ASTM A352 LCB; ASTM A351 CF8, CF8M, CF3 or CF3M |
| Wedge / disc & seat | CA15 or WCB with 13% chromium facing; WC6 with Stellite; CF8, CF8M, CF3 or CF3M; Stellite facing available |
| Stem & gland parts | ASTM A276 Type 410, 304 or 316 stainless steel |
| Packing & gasket | Die-formed or braided graphite packing with spiral-wound 316 / 316L graphite-filled gasket |
| Bolting | ASTM A193 B7, B16, B8 or B8M studs with ASTM A194 2H, 7, 8 or 8M nuts |
Final material selection depends on pressure, temperature, media and service conditions.
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Our engineering team works with you to specify, design, and deliver the exact valve solution your application demands.