| Product | Small size check valve |
| Nominal diameter | 1/4” ~ 2” |
| Design temp. | -196℃ ~ 593℃ |
| Design pressure | Class 150 ~ 2500 |
| Material | Forged carbon steel, SS, ally steel, duplex SS, nickel based alloy |
| Design standard | API 602, BS5352 |
| Face to face | Manufacture standard, ASME B16.10 |
| Connection end | NPT, SW, BW, RF, RTJ |
| Test standard | API 598, ISO 5208 |
| Operation | x |
| Application | Power station, petroleum, tap water engineering, chemical engineering, |
| Function 1 | bolted bonnet, welded bonnet, pressure seal bonnet |
| Function 2 | Swing type, lift type |
| Function 3 | full bore, reduce bore |
| Function 4 | Integral flanged ends, welded on flanged ends |