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                  Tel:  +86-577-6735 6515
                         +86-577-6799 5055
                  Zip code:  325102
                  Fax:  +86-577-6735 8449
                           +86-577-6799 5056
                  Address:  NO.1921 Binhai Avenue 1, Economy & Technology Development Zone, Wenzhou City, Zhejiang Province, China 325025

                  產品詳情
                  Small forging steel piston check valve

                  Technical parameters and characteristics:

                  Product type ON/OFF
                  Product description Small forging steel piston check valve
                  Model H11H-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
                  Other remarks 4
                  Other remarks 5
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