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Regulator Flow Calculator

Product: 1/4", 3/8 & 1/2" GDRINPUT

Sealing Diameter, Sd (in) 0.530Valve/Poppet Sealing Diameter, Pd (in) 0.500Upper Retainer Diameter (in) 1.600Lower Diaphragm Diameter (in) 2.345 Adjustment Spring Free Length (in) 1.575Adjustment Spring Rate (lb/in) 265

Valve Spring Free Length (in) 0.812Valve Spring Rate, Kv (lb/in) 55.710Valve Spring Installed Length (in) 0.620Seat Stress Force, Fseat (lb) 9.24

Valve Lift (in), Max Lift .080 0.095

Inlet Pressure, P1 (psig) 150.0Outlet Pressure, P2 (psig) 50.0

Flow CalculatorMain Orifice Diameter 0.705Flow Coefficient 0.55Upstream Temperature (F) 70

Gas Density, Standard (lbm/ft3) 0.0749= 0.0749 (Air)

= 0.1034 (Argon)= 0.0103 (Helium)

= 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)


Upstream Gas Ratio of specific heats 1.400= 1.40 for diatomic gasses (ex: air, nitrogen, oxygen, hydrogen)= 1.67 for monatomic gasses (ex: helium, argon)

Spring Information Psi Free Length Rate"A" Spring 0-50 1.575 265"B" Spring 0-125 1.575 585"C" Spring 0-250 1.575 1825

CALCULATED

Pressure load on diaphragm (lb) 152.79

Sealing Area, Aa (in2) 0.221Valve/Poppet Area, Ap (in2) 0.196Sealing/Poppet Delta, Adsp (psid) -0.024Diaphragm Area, Ad 3.056

Spring Rate (lb/in) 265.00

Force from Valve Spring, Fv (lb) 16.00

Total Spring Rate, Kd (lb/in) 320.71

Delta Pressure , Pd (psid) 100Lock Up, (psi) #VALUE!Pressure Rise/ 100 psi -0.79

Droop 10.00Resulting Outlet Pressure @ Flow 40.00Percent Droop 20.00%

Flow Coefficient Cv 4.40Flow Rate @ Droop Stated Above (SCFM 354Flow Rate @ Droop Stated Above (SCFH 21,224

Equivalent Flow Orifice (in) 0.211

Inlet Pressure (psia) 164.70Outlet Pressure (psia) 64.70Temperature (R) 530.00Critical Pressure Ratio 0.53Upstream Density (lbm/ft3) 0.84Gc (ft lbm /lb /s2) 32.17

Flow Test Data

Date 5/18/2000Media NitrogenTemperature 68 Degrees FairenheitPart Number 4GDR-500B-V-AInlet 150.0 PsiSet Pressure 50.0 Psi Set @ 1 SCFM FlowLockUp 52.2

Inlet Outlet Flow (SCFH) Flow (SCFM) 10% Droop Line150 50.0 0 0.00 45 0150 47.3 764 12.73 45 20000150 46.6 1,200 20.00150 46.0 1,620 27.00150 45.8 2,000 33.33150 45.5 2,395 39.92150 45.1 2,825 47.08150 45.0 3,210 53.50150 45.0 2,585 43.08150 45.0 3,880 64.67150 45.0 4,210 70.17150 45.1 4,590 76.50

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4GDR-500B-V-AInlet Pressure 150 Psig

Set Pressure 50 Psig (dynamically)

Flow SCFH (Nitrogen)

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150 45.3 4,910 81.83150 45.5 4,175 69.58150 46.3 5,520 92.00

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Flow Test Data

Date 5/18/2000Media NitrogenTemperature 68 Degrees FairenheitPart Number 4GDR-500B-V-BInlet 200.0 PsiSet Pressure 100.0 Psi Set @ 1 SCFM FlowLockUp 102.2

Inlet Outlet Flow (SCFH) Flow (SCFM) 10% Droop Line200 100.0 0 0.00 90 0200 96.2 655 10.92 90 20000200 95.2 1,440 24.00200 94.0 1,580 26.33200 93.5 1,935 32.25200 93.2 2,410 40.17200 92.6 2,775 46.25200 92.2 3,225 53.75200 91.8 3,620 60.33200 91.5 3,975 66.25

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4GDR-500B-V-BInlet Pressure 200 Psig



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200 91.2 4,350 72.50200 90.8 4,710 78.50200 90.5 5,035 83.92200 90.5 5,340 89.00200 90.2 5,680 94.67200 90.0 5,880 98.00

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Flow Test Data

Date 5/18/2000Media NitrogenTemperature 68 Degrees FairenheitPart Number 4GDR-500B-V-BInlet 300.0 PsiSet Pressure 200.0 Psi Set @ 1 SCFM FlowLockUp 202.2Test Terminated at 15,000 SCFH


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4GDR-500B-V-CInlet Pressure 300 Psig



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300 187.8 4,825 80.42300 187.5 5,100 85.00300 187.1 5,420 90.33300 186.4 5,835 97.25300 186.3 6,270 104.50300 186.4 6,395 106.58300 186.5 6,520 108.67300 186.3 6,895 114.92300 185.0 8,780 146.33300 184.5 9,770 162.83300 183.0 12,950 215.83

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Regulator Flow Calculator

Product: 3/4" & 1" GDRINPUT

Sealing Diameter, Sd (in) 0.710Valve/Poppet Sealing Diameter, Pd (in) 0.687Upper Retainer Diameter (in) 2.200Lower Diaphragm Diameter (in) 3.400 Adjustment Spring Free Length (in) 2.750Adjustment Spring Rate (lb/in) 405

Valve Spring Free Length (in) 1.585Valve Spring Rate, Kv (lb/in) 18.300Valve Spring Installed Length (in) 0.775Seat Stress Force, Fseat (lb) 9.24

Valve Lift (in), Max .125 0.039

Inlet Pressure, P1 (psig) 150.0Outlet Pressure, P2 (psig) 50.0

Flow CalculatorMain Orifice Diameter 0.710Flow Coefficient 0.55Upstream Temperature (F) 68

Gas Density, Standard (lbm/ft3) 0.0724= 0.0749 (Air)

= 0.1034 (Argon)= 0.0103 (Helium)


Gas Constant (ft lb /lbm /R) 55.15= 53.34 (Air)

= 38.65 (Argon)= 386.0 (Helium)


Upstream Gas Ratio of specific heats 1.400= 1.40 for diatomic gasses (ex: air, nitrogen, oxygen, hydrogen)= 1.67 for monatomic gasses (ex: helium, argon)

Spring Information Psi Free Length Rate"A" Spring 0-50 2.750 405"B" Spring 0-125 2.700 1070"C" Spring 0-200 2.600 1960"D" Spring 0-250 2.400 3400

CALCULATED

Pressure load on diaphragm (lb) 307.88

Sealing Area, Aa (in2) 0.396Valve/Poppet Area, Ap (in2) 0.371Sealing/Poppet Delta, Adsp (psid) -0.025Diaphragm Area, Ad 6.158

Spring Rate (lb/in) 405.00

Force from Valve Spring, Fv (lb) 15.54

Total Spring Rate, Kd (lb/in) 423.30

Delta Pressure , Pd (psid) 100Lock Up, (psi) 1.50Balance Effect, Pressure Rise/100 psi -0.41

Droop 2.71Resulting Outlet Pressure @ Flow 47.29Percent Droop 5.41%

Flow Coefficient Cv 1.83Flow Rate @ Droop Stated Above (SCF 150Flow Rate @ Droop Stated Above (SCFH 9,000

Equivalent Flow Orifice (in) 0.088

Inlet Pressure (psia) 164.70Outlet Pressure (psia) 64.70Temperature (R) 528.00Critical Pressure Ratio 0.53Upstream Density (lbm/ft3) 0.81Gc (ft lbm /lb /s2) 32.17

Ben Buren:Droop Should Never Exceede 10%

G25

Ben Buren: Droop Should Never Exceede 10%

Number of Turns "A" "B" "C"0 0.0 0.0 0.01 3.0 7.7 13.52 5.9 15.2 28.83 9.0 22.9 44.44 12.1 30.6 60.15 15.1 38.5 75.56 18.2 46.3 91.17 21.4 54.3 106.88 24.6 62.2 123.09 27.9 70.2 139.8

10 31.3 78.3 156.911 34.6 86.4 173.612 37.9 94.5 191.213 41.5 102.6 209.214 44.5 110.6 227.115 48.2 118.916 51.8 127.217 55.4 135.618 58.9 143.519 62.8 153.5

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Series GDR (3/4" & 1")Turns Vs Pressure

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"A" "B" "C"

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Flow Test Data

Date 5/17/2000Media NitrogenTemperature 68 Degrees FairenheitPart Number 4GDR-1000B-V-AInlet 150.0 PsiSet Pressure 50.0 Psi Set @ 1 SCFM FlowLockUp 51.3 PsiTest Terminated at 15000 SCFH

Inlet Outlet Flow (SCFH) Flow (SCFM) 10% Droop Line150 50.0 0 0.00 45 0150 49.9 660 11.00 45 20000150 50.0 1,110 18.50150 49.8 1,605 26.75150 49.9 1,980 33.00150 49.9 2,420 40.33150 49.9 2,380 39.67150 49.7 3,000 50.00150 49.6 3,525 58.75150 49.7 3,960 66.00150 49.5 4,265 71.08

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150 49.4 4,650 77.50150 49.3 5,040 84.00150 49.3 5,330 88.83150 49.2 5,675 94.58150 49.2 5,990 99.83150 49.3 7,550 125.83150 49.3 8,100 135.00150 49.3 8,300 138.33150 49.3 8,450 140.83150 49.0 13,450 224.17150 48.5 14,975 249.58150 48.0 15,739 262.32

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Flow Test Data

Date 5/17/2000Media NitrogenTemperature 68 Degrees FairenheitPart Number 4GDR-1000B-V-BInlet 200.0 PsiSet Pressure 100.0 Psi Set @ 1 SCFM FlowLockUp 101.4 PsiTest Terminated at 15,000 SCFH

Inlet Outlet Flow (SCFH) Flow (SCFM) 10% Droop Line200 100.0 0 0.00 90 0200 99.2 680 11.33 90 20000200 99.5 1,100 18.33200 99.0 1,560 26.00200 99.0 1,950 32.50200 99.0 2,400 40.00200 99.0 2,820 47.00200 98.9 3,250 54.17200 98.8 3,610 60.17

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200 98.8 3,990 66.50200 98.5 4,410 73.50200 98.6 4,630 77.17200 98.4 4,955 82.58200 98.4 5,310 88.50200 98.5 5,700 95.00200 98.4 6,000 100.00200 98.4 6,270 104.50200 98.2 6,440 107.33200 98.1 6,560 109.33200 97.9 6,750 112.50200 97.5 7,600 126.67200 97.0 11,000 183.33200 96.5 12,900 215.00200 96.0 15,500 258.33

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Flow Test Data

Date 5/17/2000Media NitrogenTemperature 68 Degrees FairenheitPart Number 4GDR-1000B-V-BInlet 300.0 PsiSet Pressure 200.0 Psi Set @ 1 SCFM FlowLockUp 201.9 PsiTest Terminated at 15,000 SCFH


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300 196.7 4,760 79.33300 196.4 5,080 84.67300 196.3 5,330 88.83300 196.1 5,700 95.00300 195.9 6,025 100.42300 195.9 6,340 105.67300 195.7 6,500 108.33300 195.7 6,800 113.33300 195.0 7,650 127.50300 194.5 8,800 146.67300 194.0 10,000 166.67300 193.5 10,600 176.67300 193.0 12,100 201.67300 192.5 13,700 228.33300 192.0 15,500 258.33

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InstructionsFill 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 Ratio

ReadCalculated Flow in blue boxes

Orifice Flow Calculator GASRev C, 10/14/99

Remarks:

INPUT

Orifice Diameter (in) 0.250 Orifice Area (in2)Orifice Discharge Coefficient 0.753 Inlet Pressure (psia)Upstream Pressure (psig) 253.0 Outlet Pressure (psia)Downstream Pressure (psig) 0.0 Temperature (R)Upstream Temperature (F) 70 Critical Pressure RatioIf Calculating Co2 Flow, type "Yes" and N/A Upstream Density (lbm/ft3)

use Air values from below Gc (ft lbm /lb /s2)Gas Density, Standard (lbm/ft3) 0.0724

= 0.0749 (Air) Gas Flow Rate (lbm/s)= 0.1034 (Argon) Gas Flow Rate (lbm/min)= 0.0103 (Helium) Gas Flow Rate (lbm/hr)= 0.00521 (Hydrogen) Gas Flow Rate (SCFM)= 0.0724 (Nitrogen) Gas Flow Rate (SCFH)= 0.0828 (Oxygen)=0.045 (Methane)

Gas Constant (ft lb /lbm /R) 55.15 Carbon Dioxide Flow (SCFM)= 53.34 (Air)= 38.65 (Argon)= 386.0 (Helium)= 766.4 (Hydrogen)= 55.15 (Nitrogen)= 48.28 (Oxygen)

Upstream Gas Ratio of specific heats 1.400= 1.40 for diatomic gasses (ex: air, nitrogen, oxygen, hydrogen)= 1.67 for monatomic gasses (ex: helium, argon)= 1.31 for Methane Gas

Assumptions: Fluid behaves as an ideal gas.

Fill in Discharge Coeficient. (List of Generant Kd on sheet 2)Fill in Upstream Pressure, Downstream Pressure and Temperature.

CALCULATED

Orifice Area (in2) 0.05Inlet Pressure (psia) 267.70Outlet Pressure (psia) 14.70Temperature (R) 530.00Critical Pressure Ratio 0.53Upstream Density (lbm/ft3) 1.32Gc (ft lbm /lb /s2) 32.17

Gas Flow Rate (lbm/s) 0.22Gas Flow Rate (lbm/min) 13.49Gas Flow Rate (lbm/hr) 809.24Gas Flow Rate (SCFM) 186.29Gas Flow Rate (SCFH) 11,177.36

Carbon Dioxide Flow (SCFM) N/A

= 1.40 for diatomic gasses (ex: air, nitrogen, oxygen, hydrogen)

HPRV DataOrifice Diameter Flow Coeficient Kd

Size Configuration 0 - 12001/4" HPRV 0.275 0.271/4" HPRVA 0.275 0.651/2" HPRV 0.515 0.201/2" HPRVA 0.515 0.353/4" HPRV 0.735 0.45

CRV Data, Dirt Guard DesignValve Orifice .250 Diameter, Same for 1/4", 3/8" and 1/2" NPTSpring Lower Upper KdCRV-4-250-22 20.1 29.0 0.62CRV-4-250-35 29.1 45.0 0.53CRV-4-250-50 45.1 60.0 0.54CRV-4-250-75 60.1 90.0 0.61CRV-4-250-100 90.1 125.0 0.76CRV-4-250-150 125.1 190.0 0.76CRV-4-250-230 190.1 275.0 0.67CRV-4-250-350 275.1 375.0 0.61CRV-4-250-500 375.1 600.0 0.48

CRV Data, Prior to Dirt Guard InhancmentValve Orifice .312 Diameter, Same for 1/4", 3/8" and 1/2" NPTSpring Lower Upper KdCRV-4-250-22 20.5 28 0.59CRV-4-250-35 29 45 0.59CRV-4-250-50 46 62 0.59CRV-4-250-75 63 89 0.54CRV-4-250-100 90 130 0.42CRV-4-250-150 131 180 0.35CRV-4-250-230 181 250 0.25CRV-4-250-350 251 375 0.12CRV-4-250-500 376 615 0.18

Part Number CvCV-125 1.71CV-250 3.03CV-375 3.87CV-500 7.38CV-750 11.40

CV-1000 14.20CV-1250 26.80CV-1500 26.80CV-2000 51.00

ICV-125 0.35ICV-250 0.85ICV-375 1.25ICV-500 1.75ICV-750 3.50

Orifice Diameter Flow Coeficient Kd1,200 - 24000.250 N/A0.250 N/A0.275 0.270.275 0.650.515 0.20

Liquid Flow CalculatorRev A

Generant P/N:

INPUT CALCULATED

Upstream Pressure, P1 (psig) 160 Flow (GPM) 15Downstream Pressure, P2 (psig) 150 Upstream Pressure, P1 (psia) 175CV 4.74 Downstream Pressure, P2 (psia 165Specific Gravity (Water 1.0) 1.00

= 1.00 (Water)= 0.83 (Hyd Oil,Mil 5606)= 0.75 (Gasoline)

Cv CalculatorRev A

Generant P/N:

INPUT CALCULATED

Upstream Pressure, P1 (psig) 100.00 Cv 6.4233Downstream Pressure, P2 (psig) 95.00 Temperature (R) 530.0Flow, Q (SCFM) 150.00 Upstream Pressure, P1 (psia) 114.700Temperature, (F) 70.00 Downstream Pressure, P2 (psia 109.700Specific Gravity 1.000

= 1.000 (Air)= 0.137 (Helium)= 0.0695 (Hydrogen)= 0.967 (Nitrogen)= 1.105 (Oxygen)

Equivalent Sharp Edge Orifice 1.000 Cv 17.95

Orifice Area (sq in) 0.200 Flow Coeficient Cd 0.8

Area CalculatorFor Sharp Edge

Diameter 0.595 Area 0.28

For Conical Seat Area (Conical Seat) 0.200Diameter 0.500Lift 0.127

Pressure ConversionRev A

INPUT CALCULATED

Enter Pressure (PSI) 435.41 Pressure in in. H2OPressure in in. HgPressure in mm/H20Pressure in cm/H20Pressure in kg/cm^2Pressure in BarPressure in mbarPressure in PaPressure in kPa

INPUT CALCULATED

Enter Inches 0.3700 MillimetersCentimetersMetersFeet

Enter Millimeters 3.50 Inches

INPUT CALCULATED

Enter Degrees Fahrenheit 70.00 Degrees CelciusDegrees KelvinDegrees Ranken

GasesINPUT CALCULATED

Enter Flow Rate (SCFM) 61.58 Standard Cubic Feet per HourStandard Liters Per MinuteStandard Liters Per HourStandard Cubic Centimeters Per MiStandard Cubic Centimeters Per HoNm3/Hr (Netwon Meters Cubed/Hr)

Flow (SCFM) ArgonFlow (SCFM) Carbon DioxideFlow (SCFM) Fuel GasesFlow (SCFM) Helium

Flow (SCFM) HydrogenFlow (SCFM) NitrogenFlow (SCFM) Nitrous OxideFlow (SCFM) Oxygen

Liquids

INPUT

Enter Flow Rate (GPM) 1.00 Gallons Per HourLiters Per MinuteLiters Per Hour

InterpolationINPUT CALCULATED

Enter Scale Low 20.00 Scale ReadingEnter Scale High 30.00Enter Value Low 2038.00Enter Value High 3524.00Enter Value Sought 2550.00

Atm 1.0000Psi 14.7000torr 0.0013Micron ###In Hg 29.92

AreaINPUT CALCULATED

Enter Diameter 0.228 AreaNumber of Holes 1Percentage Exposed 100.00% ForcePressure 100.000

Enter Flow in SCFM 1602.1362 Flow in Lbs/s

Gas Density, Standard (lbm/ft 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 pressure

InputVessel Gallons 100 Cubic FeetDesired Pressure Psi 50 Desired Pressure PsiaTime Minutes 10 Flow Rate SCFM

Seat StressFor Sharp Edge

Orifice Di 0.410 Nominal Seat Dia (in)Seal OD 0.437 Pressure Area (in2)Inlet Pre 50.00 Seat Area (in2)

Ratio: Pressure Area/Seat AreaInlet Area (in2)Contact Stress @ MAWP (psi)

12,065.31886.50

306,139.3330,613.93

30.6130.00

30,021.773,002,177.07

3,002.18

9.400.940.09

0.0308

0.138

21.11294.26529.60

3,694.80 SCFH1,743.70 LPM

104,624.42 LPH1,743,760.86 CC/Min "=MM/Min"

104,625,097.38 CC/Hr 25.02453104.37

52.3449.8852.96

165.65

233.3962.8149.8858.50

60.00 Gal/Hr3.79 L/Min

227.10 L/Hr

23.45

0.041

4.083

2.00

Calculated13.3764.68

4.55

0.42350.14090.0180

7.840.1320

392

G120

Ben Buren: The higher the Ratio the better the sealing.

G122

Ben Buren: Can't exceed the Compressive Strength of the material (Neoflon 5280)

· xls file · web view · 2003-05-19conversions cv calculator liquid cv...

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