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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

产品详情
Double-plate gate valve

Technical parameters and characteristics:

Product type ON/OFF
Product description Parallel double-plate gate valve
Model Zpc48H-parallel double-plate 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)
Material 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.
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Subsidiaries of Fangzheng Valve Goup