Small Forged Piston Check Valve
Technical parameters and characteristics：
Product type | ON/OFF |
Product description | Small Forged Piston Check Valve |
Model | H11H-Small Forged Piston Check Valve |
Nominal diameter | NPS 1/4”～2”(DN8～DN50) |
Operating temperature | -29℃～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、B546 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. |
Other remarks 1 | 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. |
Other remarks 2 | SS+ graphite or metallic seal or pressure self-sealing is adopted between valve body and bonnet for reliable sealing. |
Other remarks 3 | Suitable for medium backflow prevention in pipeline or device |