《TESCOM减压阀选型》由会员分享，可在线阅读，更多相关《TESCOM减压阀选型（8页珍藏版）》请在金锄头文库上搜索。
1、SG1 SeriesRegulators - Pressure Reducing DSG012031X012TESCOM SG1 Series is a compact, lightweight high purity single-stage regulator for specialty and industrial gas flows of less than 10 SCFM / 283 SLPM. Sensitive, extra long-life metal diaphragm ensures gas purity and integrity. User-friendly mode
2、l number enables the specifier to select optional gauges, relief and shut-off valves, and cylinder connections as part of the regulator assembly.ApplicationsLaboratoryandPoint-of-UseGasSystemsinmedical, pharmaceutical, food and beverage, and other high purity applicationsProcessanalyzergases,metalfa
3、bricationandspecialty and industrial gas cylindersFeatures and BenefitsCartridgevalvedesignincorporatesa10micronfilter that protects the regulator seat and makes service simpleOptionalneoprenediaphragmprovidesexceptional sensitivity for precise pressure controlSpecificationsFor questions about this
4、product, please consult TESCOM.OPERATING PARAMETERS Pressure rating per criteria of CGA E-4; ASME B31; ASME BPVCMaximum Inlet PressureCv= 0.06: 4500 psig / 310 barCv= 0.2: 3000 psig / 207 barMaximum Outlet Pressure15, 25, 50, 125, 250 psig103, 172, 345, 862, 1724 kPa1.0, 1.7, 3.4, 8.6, 17.2 barDesig
5、n Proof Pressure150% maximum ratedLeakageInternal: Bubble-tightExternal: Designed to meet 2 x 10-8atm cc/sec He / 2 x 10-8mbar l/s HeOperating TemperaturePCTFE seat: -40F to 140F / -40C to 60CPolyimide* seat: -40F to 250F / -40C to 121CFlow CapacityCv= 0.06, 0.2Decaying Inlet CharacteristicCv= 0.06
6、0.37 psig / 100 psig 0.03 bar / 6.9 barCv= 0.2 1.45 psig / 100 psig 0.10 bar / 6.9 barMEDIA CONTACT MATERIALSBody316L Stainless Steel, Nickel-Plated BrassSeatPCTFE, Polyimide*Diaphragm316L Stainless Steel, NeopreneFilter10micronnominalsinteredBronze10 micron nominal sintered 316 Stainless Steel Seal
7、Teflonor Buna-N Remaining PartsBrass, 300 Series Stainless SteelOTHERSConnectionsInlet and outlet: 1/4 NPTF Accessories: 1/4 NPTFCleaningCGA 4.1 and ASTM G93Weight2.4 lbs / 1.1 kgTeflon and Vespelare registered trademarks of E.I. du Pont de Nemours and Company. Meldinis a registered trademark of Sai
8、nt-Gobain. *Per ASTM D 6456-99 Type II Class 1M (Meldin 7021 or Vespel SP-21) 26152 MAX 2.4662.5 2510.6917.5DIAPHRAGM VALVE SHOWN3.2825.04128.2 2513.94100OPTIONALGAUGEOPTIONALRELIEF VALVE3IN OUTLETACCESSORY PORT0.8722.2M5 X 0.8 (2)5.2132.8OPTIONALGAUGEOPTIONALRELIEF VALVE3IN OUTLETACCESSORY PORTOPTI
9、ONALINLET FITTING555555 251INLETOUTLETOUTLETINLETOPTIONALOUTLET VALVE6.18157INLETSG1 Series Regulator DrawingAll dimensions are reference & nominal Metric millimeter equivalents are in brackets5 Ports(Top view)4 Ports(Top view)Bottom Mounting1 3For more information on how to read flow curves, please
10、 refer to the Flow Curves and Calculations document (debul2007x012) in the TESCOM catalog or on .SG1 Series Regulator Flow ChartsCv= 0.06 ModelMetal DiaphragmOUTLET PRESSURE - psig bar27519.025017.222515.520013.817512.115010.31258.61006.9755.2503.44113822712340164532056624680287933290636101940113344
11、1246481359521472561586601699641812681926722039762152251.70FLOW RATE - SCFM SLPM NitrogenP1 = 3000 psig 207 bar3000 psig 207 bar500 psig 34.5 bar200 psig 13.8 bar 1000 psig 69.0 bar500 psig 34.5 bar 1000 psig 69.0 bar41138227123401645320566553.8503.4453.1402.8352.4302.1251.7201.4151.0100.6950.350OUTL
12、ET PRESSURE - psig barFLOW RATE - SCFM SLPM NitrogenP1 = 3000 psig 207 bar3000 psig 207 bar3000 psig 207 bar500 psig 34.5 bar500 psig 34.5 bar200 psig 13.8 bar200 psig 13.8 bar200 psig 13.8 bar1000 psig 69.0 bar1000 psig 69.0 bar500 psig 34.5 bar1000 psig 69.0 bar4SG1 Series Regulator Flow ChartsFor
13、 more information on how to read flow curves, please refer to the Flow Curves and Calculations document (debul2007x012) in the TESCOM catalog or on .Cv= 0.06 Model41138227123401645320566246802879332906361019401133441246481359521472561586601699641812681926722039762152802265842379882492OUTLET PRESSURE
14、 - psig bar27519.025017.222515.520013.817512.115010.31258.61006.9755.2503.4251.70FLOW RATE - SCFM SLPM Nitrogen41138227123401645320566FLOW RATE - SCFM SLPM Nitrogen553.8503.4453.1402.8352.4302.1251.7201.4151.0100.6950.350OUTLET PRESSURE - psig barP1 = 3000 psig 207 barP1 = 3000 psig 207 bar3000 psig
15、 207 bar3000 psig 207 bar3000 psig 207 bar500 psig 34.5 bar500 psig 34.5 bar500 psig 34.5 bar200 psig 13.8 bar200 psig 13.8 bar200 psig 13.8 bar200 psig 13.8 bar1000 psig 69.0 bar1000 psig 69.0 bar1000 psig 69.0 bar500 psig 34.5 bar500 psig 34.5 bar1000 psig 69.0 bar1000 psig 69.0 barNeoprene Diaphragm5SG1 Series Regulator Flow ChartsCv = 0.20 ModelFor more in
