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    9200型低壓先導式泄壓通風孔

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    產品名稱: 9200型低壓先導式泄壓通風孔
    產品型號: 9200型低壓先導式泄壓通風孔
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    簡單介紹

    9200型低壓先導式泄壓通風孔 9200設計的類型,可用于先導操作泄壓模式,還提供裝載重量或試點經營真空救濟。9200通風口直接向大氣中,并沒有規定以外的管道排出。

    9200型低壓先導式泄壓通風孔的詳細介紹

    9200型低壓先導式泄壓通風孔
    9200設計的類型,可用于先導操作泄壓模式,還提供裝載重量或試點經營真空救濟。9200通風口直接向大氣中,并沒有規定以外的管道排出。

    Type 9200 Low Pressure Pilot Operated Pressure Relief Vents

    • Description
    • Specifications
    • Documentation
    Anderson Greenwood Pressure Relief Valves, Tank Protection, Anderson Greenwood Type 9200 Low Pressure Pilot Operated Pressure Relief Vents 

    The Type 9200 design can be used in the pilot operated pressure relief mode and also provide weight loaded or pilot operated vacuum relief. The 9200 vents directly to atmosphere and has no provision to pipe away the discharge.

    Features & Benefits:

    • Tight Up to Set Pressure: Pilot control keeps high seat forces all the way to set point, helping eliminate product losses.
    • Full Open at Set Point: Snap action opening permits full opening at set pressure, allowing for higher settings and overcoming freezing or sticking problems.
    • Pop or Modulating Action: Pilot selection allows a choice between rapid snap opening action and proportional modulating action to best suit the process.
    • Resilient Seats and Diaphragms: Extensive selection of seat and diaphragm materials to meet most conditions and provide long maintenance-free operation.
    • Balanced Against Back Pressure: Valves can be connected to closed header systems without loss of valve lift or set pressure fluctuations.
    • Remote Sensing: This option permits the pressure in the protected system to be accurately sensed at the PRV regardless of the inlet piping pressure losses to the PRV.
    • Field Test Connection: Valve function can be verified in place without removing the valve to a test bench or raising process pressures.
    • Manual Blowdown: The valve can be actuated manually or remotely to depressurize a system.
       
    Specifications

    Sizes: 2" to 12"
    Orifices: 3.35 to 113.0 in2 [21.61 to 729.03 cm2]
    Temperature Range: -320 to +200°F [-196 to +93°C]
    Pressure Range: 4" wc to 5 psig [-5.0 mbarg to 0.345 barg]
    Vacuum Range: -1 oz [-4.3 mbarg] full open weight loaded
    Vacuum Range: -2 in wc to -5 psig [-5.0 mbarg to -0.345 barg] pilot operated


     
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