30″ 600LB Cast Steel Body 3-Piece Trunnion Mounted Ball Valve(DBB)
Description
| Parameter | Specification | Notes |
|---|---|---|
| Size | 30″ | Large bore for high-flow applications |
| Pressure Rating | 600LB (ASME Class 600) | High-pressure design (per ASME B16.34) |
| Body Material | Cast Steel (ASTM A216 WCB) | Carbon steel with external corrosion protection required |
| Ball Material | F316 (ASTM A351 CF8M / A182 F316) | Mo-enhanced corrosion resistance |
| Stem Material | F316 (ASTM A182 F316) | Corrosion-resistant wrought stainless |
| Seat Material | F316 Carrier + Devlon® Sealing Surface | Metal-polymer composite for wear/extrusion resistance in solids service |
| Spring Material | Inconel X-750 | High-temperature strength (700°C) & stress relaxation resistance |
| Operation | Gear Operated (Worm Gear Actuator) | ISO 5211 top flange for manual/automated actuation |
Key Highlights:
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Corrosion Resistance: F316 stainless ball/stem/carrier
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High-Temperature Reliability: Inconel X-750 springs
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Abrasion Resistance: Devlon® seats for solids-containing media
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High-Pressure Design: ASME Class 600 rated body
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Automation Ready: Gear operator with ISO 5211 interface
Critical Considerations:
-
Confirm compliance with API 6D / ASME B16.34 standards
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Validate suitability for specific media/temperature/pressure
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Verify certifications (e.g., NACE MR0175 for sour service, API 607 fire-safe)
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External corrosion protection required for carbon steel body
