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Small Forged Piston Check Valve
Technical parameters and characteristics：
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Product type |
ON/OFF |
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Product description |
Small Forged Piston Check Valve |
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Model |
H11H-Small Forged Piston Check Valve |
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Nominal diameter |
NPS 1/4”～2”(DN8～DN50) |
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Operating temperature |
-29℃～595℃(the range of service temperature may vary for different materials) |
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Operating pressure |
CLASS 150～2500 (PN 20～PN420) |
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Material |
Main material: A105、A350 LF2、A182 F11、A182 F22、A182 F304、A182 F316、A182、F51、B150 C61900、B564 N04400、B546 N06625, etc. |
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Design standard |
ISO 15761、API 602、BS 5352、ASME B16.34 |
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Structural length |
Company standard、ASME B16.10（flange type） |
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Connecting end |
ASME B16.5、ASME B16.25、ASME B16.11 |
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Test standard |
API 598 |
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Operation method |
The valve clack is automatically opened and closed with the medium force. |
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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. |
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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. |
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Other remarks 2 |
SS+ graphite or metallic seal or pressure self-sealing is adopted between valve body and bonnet for reliable sealing. |
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Other remarks 3 |
Suitable for medium backflow prevention in pipeline or device |