Penerangan
API 6A Choke Valve Technical Datasheet
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Item
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Specification / Description
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1. Product Name
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API 6A Adjustable Choke Valve
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2. Standard
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API 6A 21st Ed. (or latest) ISO 10423
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3. Pressure Rating
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□ 2000 psi (13.8 MPa) □ 3000 psi (20.7 MPa) □ 5000 psi (34.5 MPa) □ 10000 psi (69.0 MPa) □ 15000 psi (103.5 MPa) □ 20000 psi (138.0 MPa)
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4. Temperature Rating
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□ K (-60°C to +82°C) □ L (-46°C to +82°C) □ P (-29°C to +82°C) □ R (Ambient) □ S (-18°C to +82°C) □ T (-18°C to +121°C) □ U (-18°C to +177°C) □ V (+2°C to +343°C)
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5. Bore Size
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□ 2-1/16″ (52.4 mm) □ 3-1/16″ (77.8 mm) □ 4-1/16″ (103.2 mm) □ 5-1/8″ (130.2 mm) □ 7-1/16″ (179.4 mm) □ Other: ______
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6. End Connection
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□ Flanged (RF/RTJ) □ Clamp Hub □ Threaded (NPT, BSP) □ Butt Weld
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7. Material Class
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□ AA (General Sour Service) □ BB (Moderate Sour Service) □ CC (Severe Sour Service) □ DD (Extreme Corrosion) □ EE (Non-Sour)
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8. Materials
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Badan/Bonet: ASTM A182 F316/F51/F55/4130/4140 Seat/Trim: Tungsten Carbide / Hardened Stainless Steel Batang: ASTM A479 316 / Inconel 718 Seals: Metal + Elastomer (e.g., FFKM)
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9. Performance Rating (PR)
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□ PR1 (Basic) □ PR2 (Standard for Demanding Service)
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10. Product Spec. Level (PSL)
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□ PSL1 □ PSL2 □ PSL3 (High Integrity) □ PSL3G (Critical Gas Service)
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11. Operation
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□ Manual (Handwheel/Lever) □ Hydraulic Actuator □ Pneumatic Actuator □ Electric Actuator
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12. Flow Characteristic
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□ Linear □ Equal Percentage □ Quick Open
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13. Sealing Class
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Seat Seal: API 6A Gas Tight Zero Leakage Stem Seal: ISO 15848-1 / TA-Luft
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14. SSC Resistance
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□ NACE MR0175/ISO 15156 Compliant (H₂S Service)
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15. Fire Safe Design
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□ API 6FA / API 607 Certified
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16. Testing
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Factory Acceptance Test (FAT): – Hydrostatic Shell Test – Seat Seal Test – Low-Pressure Gas Test – Torque Test Pensijilan: API 6A Test Report
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17. Certifications
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□ API 6A Monogram License □ ISO 9001 □ CE/PED (if applicable)
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18. Applications
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Onshore/Offshore Wellheads, Christmas Trees, Testing Manifolds, Fracking Control, Injection Systems
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Technical Notes:
- Erosion Resistance: Tungsten carbide trim for high-ΔP services with sand/solid-laden fluids.
- Anti-Cavitation Design: Multi-stage cage trim reduces noise, vibration, and cavitation damage.
- Emergency Shutdown (ESD): Optional fail-safe actuators for rapid closure.
- Maintainability: Modular trim design allows in-line maintenance without valve removal.
- Aksesori: Position indicator, limit switches, pressure ports for instrumentation.
Note: Final specifications subject to order requirements (PSL, materials, actuation, etc.) and manufacturer’s design. Certifications may vary by region.
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