Small Forged Piston Check Valve
Technical parameters and characteristics：
Product type | Check valve category |
Product description | Small Forged Piston Check Valve |
Model | H11H-Small Forged Piston Check Valve |
Nominal diameter | 1/4″～2″ |
Operating temperature | -196℃～595℃(the range of service temperature may vary for different materials) |
Operating pressure | CLASS 150～2500 (PN 20～PN420) |
Material | Main material: A105, A350 LF2, A182 F11, A182 F22, A182 F304, A182 F316, A182, F51, B150 C61900, B564 N04400, B564 N06625, etc. |
Design standard | ISO 15761, API 602, BS 5352, ASME B16.34 |
Structural length | Company standard, ASME B16.10（flange type） |
Connecting end | ASME B16.5, ASME B16.25, ASME B16.11 |
Test standard | API 598 |
Operation method | The valve clack is automatically opened and closed with the medium force. |
Application fields | For application in fields such as electric power industry, petroleum refining, petrochemical engineering, offshore oil, tap water engineering in urban construction, chemical engineering, etc. |
Technical characteristics | The sealing faces of valve seat and valve clack are build-up welded with hard alloy to improve the erosion resistance and extend the service life of valve. |
SS+ graphite or metallic seal or pressure self-sealing is adopted between valve body and bonnet for reliable sealing. | |
Suitable for medium backflow prevention in pipeline or device |