LV-09 Dual Plate Check Valve + Basic Design: API 594 + Body Wall Thickness: API 594 + Pressure Rating: ASME B16.34 + Face To Face: API 594 or API 6D + Body Bore Size: ASME B16.34 + Flange Size : - ASME B16.5 for 24" & below size / - ASME B16.47 Series "A" or MSS-SP-44(For 26" & above size) - API 605 Series "B"(For 26" & above size) + Inspection And Testing : API 598 / Sour Service(NACE MR 0175 or MR 0103) + Surface Quality Visual Method : MSS-SP-55 + Finishes For Contact Faces of Flanges : ASME B16.5 or MSS-SP-6 + Marking Standard : MSS-SP-25
