The high pressure flange connection steel gate valve is suitable for the nominal pressure PN10.0 ~ 25.0Mpa, the working temperature - 29 ~ 600 C, the oil, chemical, thermal power plants, and other conditions of the pipeline, cut off or connected to the media. Applicable medium: water, oil, steam, etc.. Operating methods are: manual, gear, electric, etc..
Note: parameters are for reference only, or are not full. Valve can be used in accordance with the requirements of different pressure, material, diameter, drive, etc.. Specific please contact or online advisory contact.
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Valve body
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WCB
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A105
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Cr5Mo
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ZGCr18Ni9Ti
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Valve cover
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WCB
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A105
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Cr5Mo
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ZGCr18Ni9Ti
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Bracket
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WCB
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A105
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Cr5Mo
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ZGCr18Ni9Ti
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Ram
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WCB
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25
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Cr5Mo
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ZGCr18Ni9Ti
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Valve stem
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2Cr13
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2Cr13
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38CrMoA1、25Cr2MoV
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1Cr18Ni9Ti
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Valve seat
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25
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25
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304
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304
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Seal ring
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304、Enhanced flexible graphite
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Filler
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Enhanced flexible graphite
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Stem nut
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ZCuA110Fe3
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1 in line with the requirements of domestic and foreign advanced standards, sealing reliability, excellent performance, beautiful appearance.
Iron based alloy surfacing or Stellite 2 gate and valve seat sealing surface (Stellite) cobalt based alloy welding and become, abrasion resistance, corrosion resistance, high temperature, good anti abrasion performance, long service life.
3 stem after tempering and surface nitriding treatment, have good corrosion resistance and scratch resistance.
4 wedge elastic wedge structure, medium and large diameter set rolling bearings, friction is small, open and close easily.
5 can be used with standard pipe flanges and flange sealing surface, to meet the needs of various projects and user requirements.
Design and manufacturing: GB12234
Structure length: GB12221
Pressure temperature rating: GB/T74 HG20604 GB9131
Connecting flange: GB9113 HG20593-20635 JG/T79
Experiment and test: JB/T9092 GB13927