.250", .375" and .500" GDRRegulator Flow CalculatorProduct: 1/4", 3/8 & 1/2" GDRINPUTCALCULATEDSealing Diameter, Sd (in)0.530Pressure load on diaphragm (lb)152.79Valve/Poppet Sealing Diameter, Pd (in)0.500Upper Retainer Diameter (in)1.600Sealing Area, Aa (in2)0.221Lower Diaphragm Diameter (in)2.345Valve/Poppet Area, Ap (in2)0.196Sealing/Poppet Delta, Adsp (psid)-0.024Adjustment Spring Free Length (in)1.575Diaphragm Area, Ad3.056Adjustment Spring Rate (lb/in)265Spring Rate (lb/in)265.00Valve Spring Free Length (in)0.812Valve Spring Rate, Kv (lb/in)55.710Force from Valve Spring, Fv (lb)16.00Valve Spring Installed Length (in)0.620Seat Stress Force, Fseat (lb)9.24Total Spring Rate, Kd (lb/in)320.71Valve Lift (in), Max Lift .0800.095Delta Pressure , Pd (psid)100Lock Up, (psi)0.00Pressure Rise/ 100 psi-0.79Inlet Pressure, P1 (psig)150.0Outlet Pressure, P2 (psig)50.0Droop10.00Resulting Outlet Pressure @ Flow40.00Percent Droop20.00%Flow Coefficient Cv4.40Flow Rate @ Droop Stated Above (SCFM)354Flow Rate @ Droop Stated Above (SCFH)21,224Flow CalculatorMain Orifice Diameter0.705Equivalent Flow Orifice (in)0.211Flow Coefficient0.55Upstream Temperature (F)70Inlet Pressure (psia)164.70Outlet Pressure (psia)64.70Gas Density, Standard (lbm/ft3)0.0749Temperature (R)530.00= 0.0749 (Air)Critical Pressure Ratio0.53= 0.1034 (Argon)Upstream Density (lbm/ft3)0.84= 0.0103 (Helium)Gc (ft lbm /lb /s2)32.17= 0.00521 (Hydrogen)= 0.0724 (Nitrogen)= 0.0828 (Oxygen)Gas Constant (ft lb /lbm /R)53.34= 53.34 (Air)= 38.65 (Argon)= 386.0 (Helium)= 766.4 (Hydrogen)= 55.15 (Nitrogen)= 48.28 (Oxygen)Upstream Gas Ratio of specific heats1.400= 1.40 for diatomic gasses (ex: air, nitrogen, oxygen, hydrogen)= 1.67 for monatomic gasses (ex: helium, argon)Spring InformationPsiFree LengthRate"A" Spring0-501.575265"B" Spring0-1251.575585"C" Spring0-2501.5751825

.500" GDR Flow Chart 50 psiFlow Test DataDate5/18/00MediaNitrogenTemperature68 Degrees FairenheitPart Number4GDR-500B-V-AInlet150.0 PsiSet Pressure50.0 PsiSet @ 1 SCFM FlowLockUp52.2InletOutletFlow (SCFH)Flow (SCFM)10% Droop Line15050.000.0045015047.376412.73452000015046.61,20020.0015046.01,62027.0015045.82,00033.3315045.52,39539.9215045.12,82547.0815045.03,21053.5015045.02,58543.0815045.03,88064.6715045.04,21070.1715045.14,59076.5015045.34,91081.8315045.54,17569.5815046.35,52092.00

.500" GDR Flow Chart 50 psi504547.34546.64645.845.545.14545454545.145.345.546.3

Flow Vs. Delivery Pressure10% Droop LineFlow SCFH (Nitrogen)Delivery Pressure (PSIG)4GDR-500B-V-AInlet Pressure 150 PsigSet Pressure 50 Psig (dynamically)

.500"GDR Flow Chart 100 psiFlow Test DataDate5/18/00MediaNitrogenTemperature68 Degrees FairenheitPart Number4GDR-500B-V-BInlet200.0 PsiSet Pressure100.0 PsiSet @ 1 SCFM FlowLockUp102.2InletOutletFlow (SCFH)Flow (SCFM)10% Droop Line200100.000.0090020096.265510.92902000020095.21,44024.0020094.01,58026.3320093.51,93532.2520093.22,41040.1720092.62,77546.2520092.23,22553.7520091.83,62060.3320091.53,97566.2520091.24,35072.5020090.84,71078.5020090.55,03583.9220090.55,34089.0020090.25,68094.6720090.05,88098.00

.500"GDR Flow Chart 100 psi1009096.29095.29493.593.292.692.291.891.591.290.890.590.590.290

Flow Vs. Delivery Pressure10% DroopFlow SCFH (Nitrogen)Delivery Pressure (PSIG)4GDR-500B-V-BInlet Pressure 200 PsigSet Pressure 100 Psig (dynamically)

.500" GDR Flow Chart 200 psiFlow Test DataDate5/18/00MediaNitrogenTemperature68 Degrees FairenheitPart Number4GDR-500B-V-BInlet300.0 PsiSet Pressure200.0 PsiSet @ 1 SCFM FlowLockUp202.2Test Terminated at 15,000 SCFHInletOutletFlow (SCFH)Flow (SCFM)10% Droop Line300200.000.001800300195.163510.5818020000300193.71,12018.67300192.71,56026.00300191.81,94532.42300191.12,34539.08300190.42,71045.17300189.83,11051.83300189.33,47557.92300188.83,84564.08300188.54,15069.17300188.14,47574.58300187.84,82580.42300187.55,10085.00300187.15,42090.33300186.45,83597.25300186.36,270104.50300186.46,395106.58300186.56,520108.67300186.36,895114.92300185.08,780146.33300184.59,770162.83300183.012,950215.83

.500" GDR Flow Chart 200 psi200180195.1180193.7192.7191.8191.1190.4189.8189.3188.8188.5188.1187.8187.5187.1186.4186.3186.4186.5186.3185184.5183

Flow Vs. Delivery Pressure10% Droop LineFlow SCFH (Nitrogen)Delivery Pressure (PSIG)4GDR-500B-V-CInlet Pressure 300 PsigSet Pressure 200 Psig (dynamically)

.750" & 1" GDRRegulator Flow CalculatorProduct: 3/4" & 1" GDRINPUTCALCULATEDSealing Diameter, Sd (in)0.710Pressure load on diaphragm (lb)307.88Valve/Poppet Sealing Diameter, Pd (in)0.687Upper Retainer Diameter (in)2.200Sealing Area, Aa (in2)0.396Lower Diaphragm Diameter (in)3.400Valve/Poppet Area, Ap (in2)0.371Sealing/Poppet Delta, Adsp (psid)-0.025Adjustment Spring Free Length (in)2.750Diaphragm Area, Ad6.158Adjustment Spring Rate (lb/in)405Spring Rate (lb/in)405.00Valve Spring Free Length (in)1.585Valve Spring Rate, Kv (lb/in)18.300Force from Valve Spring, Fv (lb)15.54Valve Spring Installed Length (in)0.775Seat Stress Force, Fseat (lb)9.24Total Spring Rate, Kd (lb/in)423.30Valve Lift (in), Max .1250.039Delta Pressure , Pd (psid)100Lock Up, (psi)1.50Inlet Pressure, P1 (psig)150.0Balance Effect, Pressure Rise/100 psi-0.41Outlet Pressure, P2 (psig)50.0Droop2.71Resulting Outlet Pressure @ Flow47.29Percent Droop5.41%Flow Coefficient Cv1.83Flow Rate @ Droop Stated Above (SCFM)150Flow Rate @ Droop Stated Above (SCFH)9,000Flow CalculatorMain Orifice Diameter0.710Equivalent Flow Orifice (in)0.088Flow Coefficient0.55Upstream Temperature (F)68Inlet Pressure (psia)164.70Outlet Pressure (psia)64.70Gas Density, Standard (lbm/ft3)0.0724Temperature (R)528.00= 0.0749 (Air)Critical Pressure Ratio0.53= 0.1034 (Argon)Upstream Density (lbm/ft3)0.81= 0.0103 (Helium)Gc (ft lbm /lb /s2)32.17= 0.00521 (Hydrogen)= 0.0724 (Nitrogen)= 0.0828 (Oxygen)Gas Constant (ft lb /lbm /R)55.15= 53.34 (Air)= 38.65 (Argon)= 386.0 (Helium)= 766.4 (Hydrogen)= 55.15 (Nitrogen)= 48.28 (Oxygen)Upstream Gas Ratio of specific heats1.400= 1.40 for diatomic gasses (ex: air, nitrogen, oxygen, hydrogen)= 1.67 for monatomic gasses (ex: helium, argon)Spring InformationPsiFree LengthRate"A" Spring0-502.750405"B" Spring0-1252.7001070"C" Spring0-2002.6001960"D" Spring0-2502.4003400

Ben Buren:Droop Should Never Exceede 10%

1" GDR Spring RangesNumber of Turns"A""B""C"00.00.00.013.07.713.525.915.228.839.022.944.4412.130.660.1515.138.575.5618.246.391.1721.454.3106.8824.662.2123.0927.970.2139.81031.378.3156.91134.686.4173.61237.994.5191.21341.5102.6209.21444.5110.6227.11548.2118.91651.8127.21755.4135.61858.9143.51962.8153.5

1" GDR Spring Ranges00037.713.55.915.228.8922.944.412.130.660.115.138.575.518.246.391.121.454.3106.824.662.212327.970.2139.831.378.3156.934.686.4173.637.994.5191.241.5102.6209.244.5110.6227.148.2118.91551.8127.21655.4135.61758.9143.51862.8153.519

"A""B""C"TurnsPressure (PSI)Series GDR (3/4" & 1")Turns Vs Pressure(Static)

1" GDR Flow Chart 50 psiFlow Test DataDate5/17/00MediaNitrogenTemperature68 Degrees FairenheitPart Number4GDR-1000B-V-AInlet150.0 PsiSet Pressure50.0 PsiSet @ 1 SCFM FlowLockUp51.3 PsiTest Terminated at 15000 SCFHInletOutletFlow (SCFH)Flow (SCFM)10% Droop Line15050.000.0045015049.966011.00452000015050.01,11018.5015049.81,60526.7515049.91,98033.0015049.92,42040.3315049.92,38039.6715049.73,00050.0015049.63,52558.7515049.73,96066.0015049.54,26571.0815049.44,65077.5015049.35,04084.0015049.35,33088.8315049.25,67594.5815049.25,99099.8315049.37,550125.8315049.38,100135.0015049.38,300138.3315049.38,450140.8315049.013,450224.1715048.514,975249.5815048.015,739262.32

1" GDR Flow Chart 50 psi504549.9455049.849.949.949.949.749.649.749.549.449.349.349.249.249.349.349.349.34948.548

Flow Vs. Delivery Pressure10% Droop LineFlow SCFH (Nitrogen)Delivery Pressure (PSIG)4GDR-1000B-V-AInlet Pressure 150 PsigSet Pressure 50 Psig (dynamically)

1"GDR Flow Chart 100 psiFlow Test DataDate5/17/00MediaNitrogenTemperature68 Degrees FairenheitPart Number4GDR-1000B-V-BInlet200.0 PsiSet Pressure100.0 PsiSet @ 1 SCFM FlowLockUp101.4 PsiTest Terminated at 15,000 SCFHInletOutletFlow (SCFH)Flow (SCFM)10% Droop Line200100.000.0090020099.268011.33902000020099.51,10018.3320099.01,56026.0020099.01,95032.5020099.02,40040.0020099.02,82047.0020098.93,25054.1720098.83,61060.1720098.83,99066.5020098.54,41073.5020098.64,63077.1720098.44,95582.5820098.45,31088.5020098.55,70095.0020098.46,000100.0020098.46,270104.5020098.26,440107.3320098.16,560109.3320097.96,750112.5020097.57,600126.6720097.011,000183.3320096.512,900215.0020096.015,500258.33

1"GDR Flow Chart 100 psi1009099.29099.59999999998.998.898.898.598.698.498.498.598.498.498.298.197.997.59796.596

Flow Vs. Delivery Pressure10% DroopFlow SCFH (Nitrogen)Delivery Pressure (PSIG)4GDR-1000B-V-BInlet Pressure 200 PsigSet Pressure 100 Psig (dynamically)

1" GDR Flow Chart 200 psiFlow Test DataDate5/17/00MediaNitrogenTemperature68 Degrees FairenheitPart Number4GDR-1000B-V-BInlet300.0 PsiSet Pressure200.0 PsiSet @ 1 SCFM FlowLockUp201.9 PsiTest Terminated at 15,000 SCFHInletOutletFlow (SCFH)Flow (SCFM)10% Droop Line300200.000.001800300198.373512.2518020000300198.11,12518.75300197.71,60026.67300197.61,99533.25300197.52,39039.83300197.52,76046.00300197.33,14052.33300197.13,46557.75300197.03,81063.50300197.04,12568.75300196.94,45074.17300196.74,76079.33300196.45,08084.67300196.35,33088.83300196.15,70095.00300195.96,025100.42300195.96,340105.67300195.76,500108.33300195.76,800113.33300195.07,650127.50300194.58,800146.67300194.010,000166.67300193.510,600176.67300193.012,100201.67300192.513,700228.33300192.015,500258.33

1" GDR Flow Chart 200 psi200180198.3180198.1197.7197.6197.5197.5197.3197.1197197196.9196.7196.4196.3196.1195.9195.9195.7195.7195194.5194193.5193192.5192

Flow Vs. Delivery Pressure10% Droop LineFlow SCFH (Nitrogen)Delivery Pressure (PSIG)4GDR-1000B-V-CInlet Pressure 300 PsigSet Pressure 200 Psig (dynamically)

Flow CalculatorInstructionsFill in Orifice Size. (List of Generant Orifices on sheet 2)Fill in Discharge Coeficient. (List of Generant Kd on sheet 2)Fill in Upstream Pressure, Downstream Pressure and Temperature.Fill in "Yes" for CO2 Applications, or N/A.Select Gas Density, Gas Constant and Gas RatioReadCalculated Flow in blue boxesOrifice Flow Calculator GASRev C, 10/14/99Remarks:INPUTCALCULATEDOrifice Diameter (in)0.250Orifice Area (in2)0.05Orifice Discharge Coefficient0.753Inlet Pressure (psia)267.70Upstream Pressure (psig)253.0Outlet Pressure (psia)14.70Downstream Pressure (psig)0.0Temperature (R)530.00Upstream Temperature (F)70Critical Pressure Ratio0.53If Calculating Co2 Flow, type "Yes" andN/AUpstream Density (lbm/ft3)1.320.0749use Air values from belowGc (ft lbm /lb /s2)32.170.1034Gas Density, Standard (lbm/ft3)0.07240.0103= 0.0749 (Air)Gas Flow Rate (lbm/s)0.220.00521= 0.1034 (Argon)Gas Flow Rate (lbm/min)13.490.0724= 0.0103 (Helium)Gas Flow Rate (lbm/hr)809.240.0828= 0.00521 (Hydrogen)Gas Flow Rate (SCFM)186.29= 0.0724 (Nitrogen)Gas Flow Rate (SCFH)11,177.3653.34= 0.0828 (Oxygen)38.65=0.045 (Methane)Gas Constant (ft lb /lbm /R)55.15Carbon Dioxide Flow (SCFM)N/A386.00= 53.34 (Air)766.40= 38.65 (Argon)55.15= 386.0 (Helium)48.28= 766.4 (Hydrogen)= 55.15 (Nitrogen)1.40= 48.28 (Oxygen)1.67Upstream Gas Ratio of specific heats1.400= 1.40 for diatomic gasses (ex: air, nitrogen, oxygen, hydrogen)Yes= 1.67 for monatomic gasses (ex: helium, argon)N/A= 1.31 for Methane GasAssumptions: Fluid behaves as an ideal gas.

Kd's for Various ValvesHPRV DataOrifice DiameterFlow Coeficient KdOrifice DiameterFlow Coeficient KdSizeConfiguration0 - 12001,200 - 24001/4"HPRV0.2750.270.250N/A1/4"HPRVA0.2750.650.250N/A1/2"HPRV0.5150.200.2750.271/2"HPRVA0.5150.350.2750.653/4"HPRV0.7350.450.5150.20CRV Data, Dirt Guard DesignValve Orifice .250 Diameter, Same for 1/4", 3/8" and 1/2" NPTSpringLowerUpperKdCRV-4-250-2220.129.00.62CRV-4-250-3529.145.00.53CRV-4-250-5045.160.00.54CRV-4-250-7560.190.00.61CRV-4-250-10090.1125.00.76CRV-4-250-150125.1190.00.76CRV-4-250-230190.1275.00.67CRV-4-250-350275.1375.00.61CRV-4-250-500375.1600.00.48CRV Data, Prior to Dirt Guard InhancmentValve Orifice .312 Diameter, Same for 1/4", 3/8" and 1/2" NPTSpringLowerUpperKdCRV-4-250-2220.5280.59CRV-4-250-3529450.59CRV-4-250-5046620.59CRV-4-250-7563890.54CRV-4-250-100901300.42CRV-4-250-1501311800.35CRV-4-250-2301812500.25CRV-4-250-3502513750.12CRV-4-250-5003766150.18Part NumberCvCV-1251.71CV-2503.03CV-3753.87CV-5007.38CV-75011.40CV-100014.20CV-125026.80CV-150026.80CV-200051.00ICV-1250.35ICV-2500.85ICV-3751.25ICV-5001.75ICV-7503.50

Liquid CVLiquid Flow CalculatorRev AGenerant P/N:INPUTCALCULATEDUpstream Pressure, P1 (psig)160Flow (GPM)15Downstream Pressure, P2 (psig)150Upstream Pressure, P1 (psia)175CV4.74Downstream Pressure, P2 (psia)165Specific Gravity (Water 1.0)1.00= 1.00 (Water)= 0.83 (Hyd Oil,Mil 5606)= 0.75 (Gasoline)

Cv CalculatorCv CalculatorRev AGenerant P/N:INPUTCALCULATEDUpstream Pressure, P1 (psig)100.00Cv6.4233Downstream Pressure, P2 (psig)95.00Temperature (R)530.0Flow, Q (SCFM)150.00Upstream Pressure, P1 (psia)114.700Temperature, (F)70.00Downstream Pressure, P2 (psia)109.700Specific Gravity1.000= 1.000 (Air)= 0.137 (Helium)= 0.0695 (Hydrogen)= 0.967 (Nitrogen)= 1.105 (Oxygen)Equivalent Sharp Edge Orifice1.000Cv17.95Orifice Area (sq in)0.200Flow Coeficient Cd0.8Area CalculatorFor Sharp EdgeDiameter0.595Area0.28For Conical SeatArea (Conical Seat)0.200Diameter0.500Lift0.127

ConversionsPressure ConversionRev AINPUTCALCULATEDEnter Pressure (PSI)435.41Pressure in in. H2O12,065.31Pressure in in. Hg886.50Pressure in mm/H20306,139.33Pressure in cm/H2030,613.93Pressure in kg/cm^230.61Pressure in Bar30.00Pressure in mbar30,021.77Pressure in Pa3,002,177.07Pressure in kPa3,002.18INPUTCALCULATEDEnter Inches0.3700Millimeters9.40Centimeters0.94Meters0.09Feet0.0308Enter Millimeters3.50Inches0.138INPUTCALCULATEDEnter Degrees Fahrenheit70.00Degrees Celcius21.11Degrees Kelvin294.26Degrees Ranken529.60GasesINPUTCALCULATEDEnter Flow Rate (SCFM)61.58Standard Cubic Feet per Hour3,694.80SCFHStandard Liters Per Minute1,743.70LPMStandard Liters Per Hour104,624.42LPHStandard Cubic Centimeters Per Min1,743,760.86CC/Min"=MM/Min"Standard Cubic Centimeters Per Hour104,625,097.38CC/Hr25.0245338567Nm3/Hr (Netwon Meters Cubed/Hr)104.37Flow (SCFM) Argon52.34Flow (SCFM) Carbon Dioxide49.88Flow (SCFM) Fuel Gases52.96Flow (SCFM) Helium165.65Flow (SCFM) Hydrogen233.39Flow (SCFM) Nitrogen62.81Flow (SCFM) Nitrous Oxide49.88Flow (SCFM) Oxygen58.50LiquidsINPUTEnter Flow Rate (GPM)1.00Gallons Per Hour60.00Gal/HrLiters Per Minute3.79L/MinLiters Per Hour227.10L/HrInterpolationINPUTCALCULATEDEnter Scale Low20.00Scale Reading23.45Enter Scale High30.00Enter Value Low2038.00Enter Value High3524.00Enter Value Sought2550.00Atm1.0000Psi14.7000torr0.0013Micron1.32E-06In Hg29.92AreaINPUTCALCULATEDEnter Diameter0.228Area0.041Number of Holes1Percentage Exposed100.00%Force4.083Pressure100.000Enter Flow in SCFM1602.1361815754Flow in Lbs/s2.00Gas Density, Standard (lbm/ft3)0.0749= 0.0749 (Air)= 0.1034 (Argon)= 0.0103 (Helium)= 0.00521 (Hydrogen)= 0.0724 (Nitrogen)= 0.0828 (Oxygen)Flow Required to fill a Vessel to a given pressureInputCalculatedVessel Gallons100Cubic Feet13.37Desired Pressure Psi50Desired Pressure Psia64.68Time Minutes10Flow Rate SCFM4.55Seat StressFor Sharp EdgeOrifice Dia0.410Nominal Seat Dia (in)0.4235Seal OD Dia0.437Pressure Area (in2)0.1409Inlet Pressure50.00Seat Area (in2)0.0180Ratio: Pressure Area/Seat Area7.84Inlet Area (in2)0.1320Contact Stress @ MAWP (psi)392

Ben Buren:The higher the Ratio the better the sealing.Ben Buren:Can't exceed the Compressive Strength of the material (Neoflon 5280)

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