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              Expanded Gate Valve

              Technical parameters and characteristics:

              Product type


              Product description

              Expanded Gate Valve


              Zpc48H-Expanded Gate Valve

              Nominal diameter

              NPS 2”~30”(DN50~DN750)

              Operating temperature

              -196℃~593℃(the range of service temperature may vary for different materials)

              Nominal pressure

              CLASS 150~2500 (PN20~PN420)


              Main 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; A890 4A(CD3MN)、5A(CE3MN)、6A(CD3MWCuN); ASME B 148 C95800、C95500, etc.

              Design standard

              API 600、ASME B16.34、GB/T 12234、GB/T 12224

              Structural length

              ASME B16.10、GB/T 12221

              Connecting end

              ASME B16.5、ASME B16.47、ASME B16.25、GB/T 9113、GB/T 12224

              Test standard

              API 598、ISO 5208、GB/T 26480、GB/T 13927

              Operation method

              non-elevating hand wheel, bevel gear, motor drive unit, pneumatic drive unit

              Application fields

              For application in fields such as electric power industry, 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

              Rising stem structure, making the valve switch position be clear at a glance

              Other remarks 4

              The valve stem thread will not come into contact with the medium, so the corrosion of medium to the thread is reduced.

              Other remarks 5

              Small switching moment, reliable sealing

              Other remarks 6

              The self-sealing parallel double-plate and the stretching type parallel double-plate structures are adopted, so the valve would not jam due to the impact of cold or hot medium.

              Other remarks 7

              Small flow resistance, high flow capacity and good flow characteristics

              Other remarks 8

              Through improving the structural design and selecting reasonable packing structure and qualified packing supplier, the valves can meet the Class A sealing test requirements of ISO 15848 FE.

              Copyright © 2022 Fangzheng Valve Group Co., Ltd.     Address: No. 1921, Binhai 1st Road, Economic and Technological Development Zone, Wenzhou City, Zhejiang

              Support hotline:+86-577-6735 6515(Foreign)     +86-577-6799 5055(Domestic)


              Subsidiaries of Fangzheng Valve Goup



              Online serviceService hours:9:00-24:00

              Choose customer service online communication:




              +86-577-6735 6515
              Consulting service hotline



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