| Product | Switch valve |
| Product description | Swing check valve |
| Model | H44H/X |
| Size | 2”～60”(50mm～1500mm) |
| Operating temperature | -196℃～593℃acc to material |
| Operating pressure | 150-2500 CLASS |
| Material | A216 WCB、WCC;A217 WC6、WC9、C5、C12、C12A、CA15;A351 CF8、CF8M、CF3、CF3M、CF8C、CN3MN、CK3MCUN、CN7M;A352 LCB、LCC;A494 CW-6MC、CU5MCuC、M35-1；A995 4A(CD3MN)、5A(CE3MN)、6A(CD3MWCuN)；ASME B 148 C95800、C95500 .etc |
| Standard | API 6D、API 594、BS 1868、ASME B16.34 |
| Face to face | ASME B16.10 |
| Connection end | ASME B16.5、ASME B16.25 |
| Test tandard | API 598、ISO 5208 |
| Operation | Auto |
| Application fields | electric power industry, petroleum refining, petrochemical industry, offshore oil, chemical industry and etc. |
| Seal material | 13Cr, STL, rubber |
| Remark1 | Apply to prevent the backflow of medium in the pipeline or the device. |
| Remark2 | Large size check valve with hydraulic damping cylinder to prevent crash between disc and seat. |
