Chaote - Model API -Cast Steel Check Valves

Design and Manufacture: Cast Steel Check Valve as per BS1868, API 6D, API 594 Forged Steel Check Valve as per API 602. Test and Inspect: API 598 or API 6D. End connection: NPS=s24" as per ASME B16.5. NPS > 24" as per ASME B16.47, MSS SP-44. Butt-welding: ASME B16.25. Socket: ASMEB16.11. Structure length: ASME 16.10. Pressure & Temperature: ASME B6.34. Wall thickness: API 600. BS 1868.