| nominal diameter | nps2″～60″（dn50～dn1500） |
| nominal pressure | ansi cl150～cl2500 （pn1.6～pn42.0mpa） |
| medium temperature | -46～540℃ |
| connection method | flange, welded |
| body material | wcb、wc6、cf8、cf8m、other materials requested by the user |
| seal material | ptfe、fluorine rubber, hard alloy, etc. |
| leakage | meets api598 requirements |
the ach800 axial flow check valve is a high performance check valve designed in accordance with api 6d and asme b16.34. in addition to the function of a general check valve, it also uses superb sealing technology to achieve zero leakage of the valve, unique the venturi streamlined flow path has the advantages of small flow resistance, good fluidity, fast response to changes in medium pressure, and small dimensions, and is the preferred valve for general industrial and pipeline applications. it is particularly suitable for oil pump outlets and natural gas compressors.