Forged steel tilting disc check valve we provided can cover carbon steel, alloy steel etc, such as A105, F11, F22, F91, F92, CrMoV steel. Tilting disc check valve we provide with pressure seal bonnet type which suitable for HP/HT pipeline. Both full port and reduce port are avaible according to the requirments for ASME B 16.34. One piece valve body, long face to face pattern in ASME B 16.10 which have advantages in lower flowing resistance, minimize the potential for high energy water hammer, energy efficiency as well as long service life with sealing overlay stellite.