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              Slab Gate Valve

              Technical parameters and characteristics:

              Product type


              Product description

              Single- and double-plate flat gate valve with deflector hole


              Zp43/4H(F)-Slab Gate Valve

              Nominal diameter

              NPS 2”~48”(DN50~DN1200)

              Operating temperature

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

              Nominal pressure

              CLASS 150~1500 (PN20~PN260)


              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 6D、ASME B16.34

              Structural length

              ASME B16.10、GB/T 12221

              Connecting end

              ASME B16.5、ASME B16.47、ASME B16.25

              Test standard

              API 598、ISO 5208、GB/T 26480

              Operation method

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

              Application fields

              Oil and natural gas pipelines, and urban gas pipeline

              Other remarks 1

              The valve seat is embedded with flexible seal ring for zero leakage of seal; the valve seat and the slide sealing surface are build-up welded with hard alloy to improve the scouring resistance and extend the service life of the 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 flat gate valve with deflector hole is also convenient for pigging.

              Other remarks 7

              Small flow resistance, high flow capacity and good flow characteristics

              Other remarks 8

              K-plate flat gate valve can realize zero leakage through the valve seat of special process.

              Other remarks 9

              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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