LV-15 Knife Gate Valve + Basic Design: MSS-SP-81 + Body Wall Thickness: ASME B16 34 + Pressure Temperature Rating : ASME B16.34 + Face To Face: MSS-SP-81 + End Connection: ASME B16.5(Raised Face) + Body Bore Size: ASME B16.34 - Flange Size : ASME B16.5 or MSS-SP-81 + nspection And Testing: ASME B16.34 + Finishes For Contact Faces of Flanges: ASME B16.5 or MSS-SP-6 + Surface Quality Visual Method: MSS-SP-55 + Marking System: MSS-SP-25