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  • 产品名称：9300型低压先导式泄压通风孔

  • 产品型号：9300型低压先导式泄压通风孔
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简单介绍：
9300型低压先导式泄压通风孔 9300型的设计是一个完整的阀体管道排放掉，如果必要，是针对反压平衡。这种设计可用于先导操作泄压方式，也能提供先导式真空救济。
详情介绍：
9300型低压先导式泄压通风孔
9300型的设计是一个完整的阀体管道排放掉，如果必要，是针对反压平衡。这种设计可用于先导操作泄压方式，也能提供先导式真空救济。

Type 9300 Low Pressure Pilot Operated Pressure Relief Vents

  • Description
  • Specifications
  • Documentation
Anderson Greenwood Pressure Relief Valves, Tank Protection, Anderson Greenwood Series 9300 Low Pressure POPRV 

The Type 9300 design is a full body valve to pipe away the discharge if necessary and is balanced against back pressure. This design can be used in the pilot operated pressure relief mode and also provide pilot operated vacuum relief.

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 50 psig [10 mbarg to 3.45 barg]
Vacuum Range: -1 oz [-4.3 mbarg] full open weight loaded
Vacuum Range: -2 in wc to -5 psig pilot operated [-5 mbarg to -0.345 barg]
Code: ASME VIII [15 psig and above]


 
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