文本内容:
压力真空泄放阀参数及计算书Pressure/Vacuum ReliefValve SpecificationsCalculation Sheet用户CLIENT项目PROJECT一般事项GENERAL1序号No.12工位号Item No.3数量Quantity24计算标准Calculation StandardAPI20005结构类型Structure Type重力式Weight Loaded工艺条件压力泄放真空泄放PRESSURE RELIEFVACUUM RELIEFPROCESSCONDITIONS6介质Fluid空气7所需泄放量Required CapacityVREQ Nm3/h1500Nm3/h8分子量Mol.Weight M299设定压力Set PressurekPaG-
0.5kPaG10泄放温度Relieving Temperature℃35℃11背压Back PressurekPaG0kPaG12允许超压Allowable Overpressure20%13压缩系数Compressibility FactorZ114绝热指数Ratio ofSpecific Heatsk
1.40计算和选择压力泄放真空泄放PRESSURE RELIEFVACUUM RELIEFCALCULATIONAND SELECTION15计算流道直径Calculated ThroatDiameter mm
201.0mm16选择流道直径Selected ThroatDiameter d254mm17额定泄放量Rated RelievingCapacity Nm3/h
1470.6Nm3/h材料MATERIALS18阀体材料Body MaterialWCB19阀盘/阀座材料Disc/Seat Material316L20弹簧材料Spring Material无21膜片材料Diaphragm MaterialFEP*III\连接CONNECTIONS\Y122连接标准Connection StandardHG/T20592-200923进口Inlet PN16DN250RF「一24出口Outlet ATM■425面心距Center ToFace A/B\\\\xXkXXi1/\XJ\26高度Approach HeightH H=481mm27宽度Approach WidthL L=456mmLH28约重Approach Weight73kg A附件ACCESSORIES29阻火器Arrester无NO夹套Jacket无NO选择型号SELECTED TYPE308145备注NOTES计算公式CALCULATION FORMULAI一〃一,___K:泄放系数Coefficient OfDischarge-kT pJ—A]心理一亿31C超压修正系数Overpressure CorrectionFactor-,44A:计算流道面积Calculated Are—a mm
231714.8设计校对批准PREPARED BYCHECKED BYAPPROVED BY。