Oil & GasValves
Plug valve body (lubricated / non-lubricated, Class 150/300)
API 599 (cast plug valves). ASME B16.34. Sour service: NACE MR0175 hardness limits (<22 HRC for CS). Sleeved or metal-seated variants.
Specifications
Material
Cast Steel WCB; CF8M; Duplex A890 Gr4A
Grades
WCB;CF8M
Material Class
DuplexCast Steel
Applicable Standards
NACE MR0175ASME B16.34API 599
Service Conditions
sour service
Common Processes
Resin sand; heat treat
NDT & Inspection
RT; MT/PT; hydrostatic; seat leak; dimensional; PMI
Typical Specs & Notes
API 599 (cast plug valves). ASME B16.34. Sour service: NACE MR0175 hardness limits (<22 HRC for CS). Sleeved or metal-seated variants.