API 6D/API 608 WCB Carbon Steel Ball Valve - Low Platform
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API 6D/API 608 WCB Carbon Steel Ball Valve - Low Platform
WCB CARBON STEEL · UP TO +425°C · NACE MR0175 SOUR SERVICE
Heavy-duty WCB carbon steel ball valve engineered for severe
service in oil, gas, refinery, and high-temperature steam
pipelines. ASTM A216 Gr.WCB body rated to 425°C —
significantly past the 180°C limit of PTFE soft seat designs.
Stellite metal-to-metal trim (HRC 38–45) for high-differential
pressure shutoff. NACE MR0175 / ISO 15156 compliant
variant available for H₂S sour gas service on Aramco, ADNOC,
and Petrobras EPC projects.
| API 6D / API 608 / ASME B16.34 | |
|---|---|
| Pressure | Class 150 / Class 300 |
| Size Range | NPS ½" – 8" (DN15 – DN200) |
| Body | WCB Carbon Steel (ASTM A216) |
| Service Temp. | -29°C ~ +425°C |
Sales team responds within 24 hours
— Full Specifications
API 6D/API 608 WCB Carbon Steel Ball Valve - Low Platform - ParameterTable
| PARAMETER | SPECIFICATION |
|---|---|
| Standard | API 6D / API 608 / ASME B16.34 |
| Pressure Class | Class 150 / Class 300 (ASME B16.34) |
| Size Range | NPS 1/2" – 8" (DN15 – DN200) |
| Body Material | WCB (ASTM A216 Gr.WCB Carbon Steel) |
| Ball Material | A105+STL, F304+STL, F316+STL |
| Seat Material | A105+STL, F304+STL, F316+STL |
| End Connection | Flanged RF / RTJ – ASME B16.5 |
| Platform Type | Low Platform – ISO 5211 Stem Top with Bracket & Coupler |
| Anti-Static Device | Standard – API 6D Compliant |
| Fire Safe Design | API 607 / API 6FA Compliant |
| Leakage Class | API 598 Class IV (Metal-to-Metal Sealing) |
| Test Standard | API 598 / API 6D (100% Factory Pressure Test) |
| Temperature Range | -29°C ~ +425°C |
| Applicable Media | Crude Oil / Natural Gas / High-Temp Steam / H2S Service (NACE MR0175) |
Our Production Process
1. Casting
2. Machining
3. Testing
4. Loading
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· Product documentation
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This Product Spec Sheet
Single-page datasheet for API 6D / API 608 WCB Carbon Steel
Hard Seated Ball Valve – Low Platform
- Full parameter table
- Dimensional drawing
- Materials & standards list
- Ordering code guide
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— WHY bAUTU
Why Specify This Valve from Bautu
WCB Body — 425°C Beats PTFE by 2.4×
ASTM A216 Gr.WCB carbon steel maintains tensile strength and creep resistance up to 425°C — well beyond the 180°C ceiling of PTFE soft seats. Standard selection for high pressure steam mains, crude transmission, and refinery hot service.
NACE MR0175 Sour Service Option
Hardness-controlled WCB body and SS316 stem to NACE MR0175 / ISO 15156. Material traceability + charpy + hardness mapping reports supplied — accepted on Aramco, ADNOC, KOC, Petrobras AVL sour-service projects.
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