gas velocity calculator

GAS VELOCITY CALCULATORNOTES:

This spreadsheet supplements the WGP-0150 Live Line Welding Parameters form. All welding requirements are determined by that form.

USER INPUT VALUES ( Determined by WGP-0150 )

Altitude 3440 ft.Atmospheric Pressure ### psia

Pipe OD ### in.Pipe WT ### in.

MAOP 850 psigMin. Allowable Gas Velocity 0 ft/s ( which is ) 0 mphMax. Allowable Gas Velocity 50 ft/s ( which is ) 34.1 mphMin. Allowable Line Pressure 600 psig

Max. Allowable Line Pressure 650 psigPressure Increment 1 psig

Min. Allowable Flow Rate 40 MMSCFDMax. Allowable Flow Rate 60 MMSCFD

Flow Increment 1 MMSCFDTemperature of Gas 71.0 °F

Compressibility of Gas ###

40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60

600 8.7 8.9 9.1 9.3 9.5 9.8 10.0 10.2 10.4 10.6 10.9 11.1 11.3 11.5 11.7 11.9 12.2 12.4 12.6 12.8 13.0

601 8.7 8.9 9.1 9.3 9.5 9.7 10.0 10.2 10.4 10.6 10.8 11.0 11.3 11.5 11.7 11.9 12.1 12.3 12.6 12.8 13.0

603 8.6 8.9 9.1 9.3 9.5 9.7 9.9 10.2 10.4 10.6 10.8 11.0 11.2 11.5 11.7 11.9 12.1 12.3 12.5 12.8 13.0

604 8.6 8.8 9.1 9.3 9.5 9.7 9.9 10.1 10.4 10.6 10.8 11.0 11.2 11.4 11.6 11.9 12.1 12.3 12.5 12.7 12.9

605 8.6 8.8 9.0 9.3 9.5 9.7 9.9 10.1 10.3 10.5 10.8 11.0 11.2 11.4 11.6 11.8 12.1 12.3 12.5 12.7 12.9

606 8.6 8.8 9.0 9.2 9.5 9.7 9.9 10.1 10.3 10.5 10.7 11.0 11.2 11.4 11.6 11.8 12.0 12.2 12.5 12.7 12.9

608 8.6 8.8 9.0 9.2 9.4 9.6 9.9 10.1 10.3 10.5 10.7 10.9 11.1 11.4 11.6 11.8 12.0 12.2 12.4 12.7 12.9

609 8.6 8.8 9.0 9.2 9.4 9.6 9.8 10.1 10.3 10.5 10.7 10.9 11.1 11.3 11.6 11.8 12.0 12.2 12.4 12.6 12.8

610 8.5 8.8 9.0 9.2 9.4 9.6 9.8 10.0 10.3 10.5 10.7 10.9 11.1 11.3 11.5 11.7 12.0 12.2 12.4 12.6 12.8

611 8.5 8.7 9.0 9.2 9.4 9.6 9.8 10.0 10.2 10.4 10.7 10.9 11.1 11.3 11.5 11.7 11.9 12.1 12.4 12.6 12.8

613 8.5 8.7 8.9 9.1 9.4 9.6 9.8 10.0 10.2 10.4 10.6 10.8 11.1 11.3 11.5 11.7 11.9 12.1 12.3 12.5 12.8

614 8.5 8.7 8.9 9.1 9.3 9.6 9.8 10.0 10.2 10.4 10.6 10.8 11.0 11.3 11.5 11.7 11.9 12.1 12.3 12.5 12.7

615 8.5 8.7 8.9 9.1 9.3 9.5 9.7 10.0 10.2 10.4 10.6 10.8 11.0 11.2 11.4 11.7 11.9 12.1 12.3 12.5 12.7

616 8.5 8.7 8.9 9.1 9.3 9.5 9.7 9.9 10.1 10.4 10.6 10.8 11.0 11.2 11.4 11.6 11.8 12.1 12.3 12.5 12.7

618 8.4 8.7 8.9 9.1 9.3 9.5 9.7 9.9 10.1 10.3 10.6 10.8 11.0 11.2 11.4 11.6 11.8 12.0 12.2 12.4 12.7

619 8.4 8.6 8.8 9.1 9.3 9.5 9.7 9.9 10.1 10.3 10.5 10.7 11.0 11.2 11.4 11.6 11.8 12.0 12.2 12.4 12.6

620 8.4 8.6 8.8 9.0 9.2 9.5 9.7 9.9 10.1 10.3 10.5 10.7 10.9 11.1 11.3 11.6 11.8 12.0 12.2 12.4 12.6

621 8.4 8.6 8.8 9.0 9.2 9.4 9.6 9.9 10.1 10.3 10.5 10.7 10.9 11.1 11.3 11.5 11.7 12.0 12.2 12.4 12.6

623 8.4 8.6 8.8 9.0 9.2 9.4 9.6 9.8 10.0 10.3 10.5 10.7 10.9 11.1 11.3 11.5 11.7 11.9 12.1 12.4 12.6

624 8.4 8.6 8.8 9.0 9.2 9.4 9.6 9.8 10.0 10.2 10.4 10.7 10.9 11.1 11.3 11.5 11.7 11.9 12.1 12.3 12.5

625 8.3 8.5 8.8 9.0 9.2 9.4 9.6 9.8 10.0 10.2 10.4 10.6 10.8 11.1 11.3 11.5 11.7 11.9 12.1 12.3 12.5

626 8.3 8.5 8.7 8.9 9.2 9.4 9.6 9.8 10.0 10.2 10.4 10.6 10.8 11.0 11.2 11.4 11.7 11.9 12.1 12.3 12.5

628 8.3 8.5 8.7 8.9 9.1 9.3 9.6 9.8 10.0 10.2 10.4 10.6 10.8 11.0 11.2 11.4 11.6 11.8 12.0 12.3 12.5

629 8.3 8.5 8.7 8.9 9.1 9.3 9.5 9.7 10.0 10.2 10.4 10.6 10.8 11.0 11.2 11.4 11.6 11.8 12.0 12.2 12.4

630 8.3 8.5 8.7 8.9 9.1 9.3 9.5 9.7 9.9 10.1 10.3 10.6 10.8 11.0 11.2 11.4 11.6 11.8 12.0 12.2 12.4

631 8.3 8.5 8.7 8.9 9.1 9.3 9.5 9.7 9.9 10.1 10.3 10.5 10.7 10.9 11.2 11.4 11.6 11.8 12.0 12.2 12.4

633 8.2 8.5 8.7 8.9 9.1 9.3 9.5 9.7 9.9 10.1 10.3 10.5 10.7 10.9 11.1 11.3 11.5 11.7 12.0 12.2 12.4

634 8.2 8.4 8.6 8.8 9.1 9.3 9.5 9.7 9.9 10.1 10.3 10.5 10.7 10.9 11.1 11.3 11.5 11.7 11.9 12.1 12.3

635 8.2 8.4 8.6 8.8 9.0 9.2 9.4 9.6 9.9 10.1 10.3 10.5 10.7 10.9 11.1 11.3 11.5 11.7 11.9 12.1 12.3

636 8.2 8.4 8.6 8.8 9.0 9.2 9.4 9.6 9.8 10.0 10.2 10.5 10.7 10.9 11.1 11.3 11.5 11.7 11.9 12.1 12.3

638 8.2 8.4 8.6 8.8 9.0 9.2 9.4 9.6 9.8 10.0 10.2 10.4 10.6 10.8 11.0 11.2 11.5 11.7 11.9 12.1 12.3

639 8.2 8.4 8.6 8.8 9.0 9.2 9.4 9.6 9.8 10.0 10.2 10.4 10.6 10.8 11.0 11.2 11.4 11.6 11.8 12.0 12.2

640 8.1 8.4 8.6 8.8 9.0 9.2 9.4 9.6 9.8 10.0 10.2 10.4 10.6 10.8 11.0 11.2 11.4 11.6 11.8 12.0 12.2

641 8.1 8.3 8.5 8.7 8.9 9.2 9.4 9.6 9.8 10.0 10.2 10.4 10.6 10.8 11.0 11.2 11.4 11.6 11.8 12.0 12.2

643 8.1 8.3 8.5 8.7 8.9 9.1 9.3 9.5 9.7 9.9 10.1 10.4 10.6 10.8 11.0 11.2 11.4 11.6 11.8 12.0 12.2

644 8.1 8.3 8.5 8.7 8.9 9.1 9.3 9.5 9.7 9.9 10.1 10.3 10.5 10.7 10.9 11.1 11.3 11.5 11.7 12.0 12.2

645 8.1 8.3 8.5 8.7 8.9 9.1 9.3 9.5 9.7 9.9 10.1 10.3 10.5 10.7 10.9 11.1 11.3 11.5 11.7 11.9 12.1

646 8.1 8.3 8.5 8.7 8.9 9.1 9.3 9.5 9.7 9.9 10.1 10.3 10.5 10.7 10.9 11.1 11.3 11.5 11.7 11.9 12.1

648 8.1 8.3 8.5 8.7 8.9 9.1 9.3 9.5 9.7 9.9 10.1 10.3 10.5 10.7 10.9 11.1 11.3 11.5 11.7 11.9 12.1

649 8.0 8.2 8.4 8.6 8.8 9.0 9.2 9.4 9.7 9.9 10.1 10.3 10.5 10.7 10.9 11.1 11.3 11.5 11.7 11.9 12.1

650 8.0 8.2 8.4 8.6 8.8 9.0 9.2 9.4 9.6 9.8 10.0 10.2 10.4 10.6 10.8 11.0 11.2 11.4 11.6 11.8 12.0

The password to protect/unprotect this worksheet is: welding

This spreadsheet is to be used ONLY AS A TOOL to determine gas velocity based on flow rate and pressure.

**This method accounts for Temperature and Compressibility ( AGA 8 Revised )

( see comment )

PR

ES

SU

RE

( P

SI )

FLOW RATE ( MMSCFD )

GASVELOCITY ( FT/SEC )

VELOCITYIF PRESSURE GOES ▲, VELOCITY GOES ▼IF FLOW GOES ▼, VELOCITY GOES ▼

PRESSUREIF FLOW GOES ▼, PRESSURE GOES ▲IF VELOCITY GOES ▼, PRESSURE GOES ▲

FLOWIF PRESSURE GOES ▲, FLOW GOES ▼IF VELOCITY GOES ▼, FLOW GOES ▼

Atmospheric Pr essure

Patm=14 .54(55096−(Elevation−361)55096+(Elevation−361 ) ) psia

A .G . A 3 Part 3 pg23

Flow Velocity

V fts

=

1 ,000 ,000⋅14460⋅60⋅24

14 .73(T ActualT Base )F (Z ActualZ Base )π (D2 − t)

2

(P+P Atm)

F12

Albany 269 ft Baker 3351 ft Boise 3200 ft Buhl 3345 ft Burley 4269 ft Caldwell 2497 ft Chehalis 470 ft Cisco 4400 ft Eugene 655 ft Goldendale 1712 ft Green River 6224 ft Kemmerer 6610 ft La Plata B 6643 ft Lava Hot Springs 4910 ft Little Valley 2889 ft McMinnville 185 ft Meacham 3780 ft Mesa 1050 ft Moab 5873 ft Mountain Home 3190 ft Mount Vernon 150 ft Muddy Creek 6855 ft Oregon City 170 ft Owyhee 5230 ft Pegram 6070 ft Pleasant View 7014 ft Plymouth 304 ft Pocatello 4655 ft Rangely 5500 ft Roosevelt 1220 ft Snohomish 466 ft Soda Springs 6135 ft Sumas 35 ft Sumner 456 ft Tumwater 110 ft Vernal 6008 ft Washougal 530 ft Willard 1280 ft Winchester 600 ft Zillah 1079 ft

F26

*This Assumes a MW of 17.4. Gas Chromatography may show More or Less which will affect the Accuracy.

GAS VELOCITY CALCULATORNOTES:

This spreadsheet supplements the WGP-0150 Live Line Welding Parameters form. All welding requirements are determined by that form.

USER INPUT VALUES ( Determined by WGP-0150 )

Altitude 3440 ft.Atmospheric Pressure ### psia

Pipe OD ### in.Pipe WT ### in.

MAOP 850 psigMin. Allowable Gas Velocity 0 ft/s ( which is ) 0 mphMax. Allowable Gas Velocity 50 ft/s ( which is ) 34.1 mphMin. Allowable Line Pressure 600 psig

Max. Allowable Line Pressure 650 psigPressure Increment 1 psig

Min. Allowable Flow Rate 40 MMSCFDMax. Allowable Flow Rate 60 MMSCFD

Flow Increment 1 MMSCFD

40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60

600 7.9 8.1 8.3 8.5 8.7 8.9 9.1 9.3 9.5 9.7 9.9 10.1 10.3 10.5 10.7 10.9 11.1 11.3 11.5 11.7 11.9

601 7.9 8.1 8.3 8.5 8.7 8.9 9.1 9.3 9.5 9.7 9.9 10.1 10.3 10.4 10.6 10.8 11.0 11.2 11.4 11.6 11.8

603 7.9 8.1 8.3 8.5 8.7 8.9 9.0 9.2 9.4 9.6 9.8 10.0 10.2 10.4 10.6 10.8 11.0 11.2 11.4 11.6 11.8

604 7.9 8.0 8.2 8.4 8.6 8.8 9.0 9.2 9.4 9.6 9.8 10.0 10.2 10.4 10.6 10.8 11.0 11.2 11.4 11.6 11.8

605 7.8 8.0 8.2 8.4 8.6 8.8 9.0 9.2 9.4 9.6 9.8 10.0 10.2 10.4 10.6 10.8 11.0 11.2 11.4 11.6 11.7

606 7.8 8.0 8.2 8.4 8.6 8.8 9.0 9.2 9.4 9.6 9.8 10.0 10.2 10.4 10.6 10.7 10.9 11.1 11.3 11.5 11.7

608 7.8 8.0 8.2 8.4 8.6 8.8 9.0 9.2 9.4 9.6 9.7 9.9 10.1 10.3 10.5 10.7 10.9 11.1 11.3 11.5 11.7

609 7.8 8.0 8.2 8.4 8.6 8.8 8.9 9.1 9.3 9.5 9.7 9.9 10.1 10.3 10.5 10.7 10.9 11.1 11.3 11.5 11.7

610 7.8 8.0 8.2 8.3 8.5 8.7 8.9 9.1 9.3 9.5 9.7 9.9 10.1 10.3 10.5 10.7 10.9 11.1 11.3 11.5 11.6

611 7.7 7.9 8.1 8.3 8.5 8.7 8.9 9.1 9.3 9.5 9.7 9.9 10.1 10.3 10.5 10.7 10.8 11.0 11.2 11.4 11.6

613 7.7 7.9 8.1 8.3 8.5 8.7 8.9 9.1 9.3 9.5 9.7 9.9 10.0 10.2 10.4 10.6 10.8 11.0 11.2 11.4 11.6

614 7.7 7.9 8.1 8.3 8.5 8.7 8.9 9.1 9.3 9.4 9.6 9.8 10.0 10.2 10.4 10.6 10.8 11.0 11.2 11.4 11.6

615 7.7 7.9 8.1 8.3 8.5 8.7 8.9 9.0 9.2 9.4 9.6 9.8 10.0 10.2 10.4 10.6 10.8 11.0 11.2 11.4 11.5

616 7.7 7.9 8.1 8.3 8.4 8.6 8.8 9.0 9.2 9.4 9.6 9.8 10.0 10.2 10.4 10.6 10.8 10.9 11.1 11.3 11.5

618 7.7 7.9 8.0 8.2 8.4 8.6 8.8 9.0 9.2 9.4 9.6 9.8 10.0 10.2 10.3 10.5 10.7 10.9 11.1 11.3 11.5

619 7.6 7.8 8.0 8.2 8.4 8.6 8.8 9.0 9.2 9.4 9.6 9.7 9.9 10.1 10.3 10.5 10.7 10.9 11.1 11.3 11.5

620 7.6 7.8 8.0 8.2 8.4 8.6 8.8 9.0 9.2 9.3 9.5 9.7 9.9 10.1 10.3 10.5 10.7 10.9 11.1 11.3 11.4

621 7.6 7.8 8.0 8.2 8.4 8.6 8.8 8.9 9.1 9.3 9.5 9.7 9.9 10.1 10.3 10.5 10.7 10.8 11.0 11.2 11.4

623 7.6 7.8 8.0 8.2 8.4 8.5 8.7 8.9 9.1 9.3 9.5 9.7 9.9 10.1 10.3 10.4 10.6 10.8 11.0 11.2 11.4

624 7.6 7.8 8.0 8.1 8.3 8.5 8.7 8.9 9.1 9.3 9.5 9.7 9.9 10.0 10.2 10.4 10.6 10.8 11.0 11.2 11.4

625 7.6 7.8 7.9 8.1 8.3 8.5 8.7 8.9 9.1 9.3 9.5 9.6 9.8 10.0 10.2 10.4 10.6 10.8 11.0 11.2 11.3

626 7.5 7.7 7.9 8.1 8.3 8.5 8.7 8.9 9.1 9.2 9.4 9.6 9.8 10.0 10.2 10.4 10.6 10.8 10.9 11.1 11.3

628 7.5 7.7 7.9 8.1 8.3 8.5 8.7 8.8 9.0 9.2 9.4 9.6 9.8 10.0 10.2 10.4 10.5 10.7 10.9 11.1 11.3

629 7.5 7.7 7.9 8.1 8.3 8.5 8.6 8.8 9.0 9.2 9.4 9.6 9.8 10.0 10.1 10.3 10.5 10.7 10.9 11.1 11.3

630 7.5 7.7 7.9 8.1 8.2 8.4 8.6 8.8 9.0 9.2 9.4 9.6 9.7 9.9 10.1 10.3 10.5 10.7 10.9 11.1 11.2

631 7.5 7.7 7.9 8.0 8.2 8.4 8.6 8.8 9.0 9.2 9.4 9.5 9.7 9.9 10.1 10.3 10.5 10.7 10.9 11.0 11.2

633 7.5 7.7 7.8 8.0 8.2 8.4 8.6 8.8 9.0 9.1 9.3 9.5 9.7 9.9 10.1 10.3 10.5 10.6 10.8 11.0 11.2

634 7.5 7.6 7.8 8.0 8.2 8.4 8.6 8.8 8.9 9.1 9.3 9.5 9.7 9.9 10.1 10.2 10.4 10.6 10.8 11.0 11.2

635 7.4 7.6 7.8 8.0 8.2 8.4 8.6 8.7 8.9 9.1 9.3 9.5 9.7 9.9 10.0 10.2 10.4 10.6 10.8 11.0 11.2

636 7.4 7.6 7.8 8.0 8.2 8.3 8.5 8.7 8.9 9.1 9.3 9.5 9.6 9.8 10.0 10.2 10.4 10.6 10.8 10.9 11.1

638 7.4 7.6 7.8 8.0 8.1 8.3 8.5 8.7 8.9 9.1 9.3 9.4 9.6 9.8 10.0 10.2 10.4 10.6 10.7 10.9 11.1

639 7.4 7.6 7.8 7.9 8.1 8.3 8.5 8.7 8.9 9.1 9.2 9.4 9.6 9.8 10.0 10.2 10.3 10.5 10.7 10.9 11.1

640 7.4 7.6 7.7 7.9 8.1 8.3 8.5 8.7 8.8 9.0 9.2 9.4 9.6 9.8 10.0 10.1 10.3 10.5 10.7 10.9 11.1

641 7.4 7.5 7.7 7.9 8.1 8.3 8.5 8.6 8.8 9.0 9.2 9.4 9.6 9.7 9.9 10.1 10.3 10.5 10.7 10.9 11.0

643 7.3 7.5 7.7 7.9 8.1 8.3 8.4 8.6 8.8 9.0 9.2 9.4 9.5 9.7 9.9 10.1 10.3 10.5 10.6 10.8 11.0

644 7.3 7.5 7.7 7.9 8.1 8.2 8.4 8.6 8.8 9.0 9.2 9.3 9.5 9.7 9.9 10.1 10.3 10.4 10.6 10.8 11.0

645 7.3 7.5 7.7 7.9 8.0 8.2 8.4 8.6 8.8 9.0 9.1 9.3 9.5 9.7 9.9 10.1 10.2 10.4 10.6 10.8 11.0

646 7.3 7.5 7.7 7.8 8.0 8.2 8.4 8.6 8.8 8.9 9.1 9.3 9.5 9.7 9.8 10.0 10.2 10.4 10.6 10.8 10.9

648 7.3 7.5 7.6 7.8 8.0 8.2 8.4 8.6 8.7 8.9 9.1 9.3 9.5 9.6 9.8 10.0 10.2 10.4 10.6 10.7 10.9

649 7.3 7.4 7.6 7.8 8.0 8.2 8.4 8.5 8.7 8.9 9.1 9.3 9.4 9.6 9.8 10.0 10.2 10.4 10.5 10.7 10.9

650 7.3 7.4 7.6 7.8 8.0 8.2 8.3 8.5 8.7 8.9 9.1 9.2 9.4 9.6 9.8 10.0 10.2 10.3 10.5 10.7 10.9

The password to protect/unprotect this worksheet is: welding

This spreadsheet is to be used ONLY AS A TOOL to determine gas velocity based on flow rate and pressure.

**This method Does Not account for Temperature and Compressibility

PR

ES

SU

RE

( P

SI )

FLOW RATE ( MMSCFD )

GASVELOCITY ( FT/SEC )

VELOCITYIF PRESSURE GOES ▲, VELOCITY GOES ▼IF FLOW GOES ▼, VELOCITY GOES ▼

PRESSUREIF FLOW GOES ▼, PRESSURE GOES ▲IF VELOCITY GOES ▼, PRESSURE GOES ▲

FLOWIF PRESSURE GOES ▲, FLOW GOES ▼IF VELOCITY GOES ▼, FLOW GOES ▼

Flow Velocity

V fts

=7500F [1−. 000145 (P+14 .5 ) ]

(D2 −t)2

(P+14 .7 )

A .G . A . 8

Atmospheric Pr essure

Patm=14 .54(55096−(Elevation−361)55096+(Elevation−361 ) ) psia

A .G . A 3 Part 3 pg23

F12


FPS to MPH

FPS MPH FPS MPH FPS MPH FPS MPH FPS MPH FPS MPH1.00 0.68 8.80 6.00 16.60 11.32 24.40 16.64 32.20 21.95 40.00 27.271.10 0.75 8.90 6.07 16.70 11.39 24.50 16.70 32.30 22.02 40.10 27.341.20 0.82 9.00 6.14 16.80 11.45 24.60 16.77 32.40 22.09 40.20 27.411.30 0.89 9.10 6.20 16.90 11.52 24.70 16.84 32.50 22.16 40.30 27.481.40 0.95 9.20 6.27 17.00 11.59 24.80 16.91 32.60 22.23 40.40 27.551.50 1.02 9.30 6.34 17.10 11.66 24.90 16.98 32.70 22.30 40.50 27.611.60 1.09 9.40 6.41 17.20 11.73 25.00 17.05 32.80 22.36 40.60 27.681.70 1.16 9.50 6.48 17.30 11.80 25.10 17.11 32.90 22.43 40.70 27.751.80 1.23 9.60 6.55 17.40 11.86 25.20 17.18 33.00 22.50 40.80 27.821.90 1.30 9.70 6.61 17.50 11.93 25.30 17.25 33.10 22.57 40.90 27.892.00 1.36 9.80 6.68 17.60 12.00 25.40 17.32 33.20 22.64 41.00 27.952.10 1.43 9.90 6.75 17.70 12.07 25.50 17.39 33.30 22.70 41.10 28.022.20 1.50 10.00 6.82 17.80 12.14 25.60 17.45 33.40 22.77 41.20 28.092.30 1.57 10.10 6.89 17.90 12.20 25.70 17.52 33.50 22.84 41.30 28.162.40 1.64 10.20 6.95 18.00 12.27 25.80 17.59 33.60 22.91 41.40 28.232.50 1.70 10.30 7.02 18.10 12.34 25.90 17.66 33.70 22.98 41.50 28.302.60 1.77 10.40 7.09 18.20 12.41 26.00 17.73 33.80 23.05 41.60 28.362.70 1.84 10.50 7.16 18.30 12.48 26.10 17.80 33.90 23.11 41.70 28.432.80 1.91 10.60 7.23 18.40 12.55 26.20 17.86 34.00 23.18 41.80 28.502.90 1.98 10.70 7.30 18.50 12.61 26.30 17.93 34.10 23.25 41.90 28.573.00 2.05 10.80 7.36 18.60 12.68 26.40 18.00 34.20 23.32 42.00 28.643.10 2.11 10.90 7.43 18.70 12.75 26.50 18.07 34.30 23.39 42.10 28.703.20 2.18 11.00 7.50 18.80 12.82 26.60 18.14 34.40 23.45 42.20 28.773.30 2.25 11.10 7.57 18.90 12.89 26.70 18.20 34.50 23.52 42.30 28.843.40 2.32 11.20 7.64 19.00 12.95 26.80 18.27 34.60 23.59 42.40 28.913.50 2.39 11.30 7.70 19.10 13.02 26.90 18.34 34.70 23.66 42.50 28.983.60 2.45 11.40 7.77 19.20 13.09 27.00 18.41 34.80 23.73 42.60 29.053.70 2.52 11.50 7.84 19.30 13.16 27.10 18.48 34.90 23.80 42.70 29.113.80 2.59 11.60 7.91 19.40 13.23 27.20 18.55 35.00 23.86 42.80 29.183.90 2.66 11.70 7.98 19.50 13.30 27.30 18.61 35.10 23.93 42.90 29.254.00 2.73 11.80 8.05 19.60 13.36 27.40 18.68 35.20 24.00 43.00 29.324.10 2.80 11.90 8.11 19.70 13.43 27.50 18.75 35.30 24.07 43.10 29.394.20 2.86 12.00 8.18 19.80 13.50 27.60 18.82 35.40 24.14 43.20 29.454.30 2.93 12.10 8.25 19.90 13.57 27.70 18.89 35.50 24.20 43.30 29.524.40 3.00 12.20 8.32 20.00 13.64 27.80 18.95 35.60 24.27 43.40 29.594.50 3.07 12.30 8.39 20.10 13.70 27.90 19.02 35.70 24.34 43.50 29.664.60 3.14 12.40 8.45 20.20 13.77 28.00 19.09 35.80 24.41 43.60 29.734.70 3.20 12.50 8.52 20.30 13.84 28.10 19.16 35.90 24.48 43.70 29.804.80 3.27 12.60 8.59 20.40 13.91 28.20 19.23 36.00 24.55 43.80 29.864.90 3.34 12.70 8.66 20.50 13.98 28.30 19.30 36.10 24.61 43.90 29.935.00 3.41 12.80 8.73 20.60 14.05 28.40 19.36 36.20 24.68 44.00 30.005.10 3.48 12.90 8.80 20.70 14.11 28.50 19.43 36.30 24.75 44.10 30.075.20 3.55 13.00 8.86 20.80 14.18 28.60 19.50 36.40 24.82 44.20 30.145.30 3.61 13.10 8.93 20.90 14.25 28.70 19.57 36.50 24.89 44.30 30.205.40 3.68 13.20 9.00 21.00 14.32 28.80 19.64 36.60 24.95 44.40 30.275.50 3.75 13.30 9.07 21.10 14.39 28.90 19.70 36.70 25.02 44.50 30.345.60 3.82 13.40 9.14 21.20 14.45 29.00 19.77 36.80 25.09 44.60 30.415.70 3.89 13.50 9.20 21.30 14.52 29.10 19.84 36.90 25.16 44.70 30.485.80 3.95 13.60 9.27 21.40 14.59 29.20 19.91 37.00 25.23 44.80 30.555.90 4.02 13.70 9.34 21.50 14.66 29.30 19.98 37.10 25.30 44.90 30.616.00 4.09 13.80 9.41 21.60 14.73 29.40 20.05 37.20 25.36 45.00 30.686.10 4.16 13.90 9.48 21.70 14.80 29.50 20.11 37.30 25.43 45.10 30.756.20 4.23 14.00 9.55 21.80 14.86 29.60 20.18 37.40 25.50 45.20 30.826.30 4.30 14.10 9.61 21.90 14.93 29.70 20.25 37.50 25.57 45.30 30.896.40 4.36 14.20 9.68 22.00 15.00 29.80 20.32 37.60 25.64 45.40 30.956.50 4.43 14.30 9.75 22.10 15.07 29.90 20.39 37.70 25.70 45.50 31.026.60 4.50 14.40 9.82 22.20 15.14 30.00 20.45 37.80 25.77 45.60 31.096.70 4.57 14.50 9.89 22.30 15.20 30.10 20.52 37.90 25.84 45.70 31.166.80 4.64 14.60 9.95 22.40 15.27 30.20 20.59 38.00 25.91 45.80 31.236.90 4.70 14.70 10.02 22.50 15.34 30.30 20.66 38.10 25.98 45.90 31.307.00 4.77 14.80 10.09 22.60 15.41 30.40 20.73 38.20 26.05 46.00 31.367.10 4.84 14.90 10.16 22.70 15.48 30.50 20.80 38.30 26.11 46.10 31.437.20 4.91 15.00 10.23 22.80 15.55 30.60 20.86 38.40 26.18 46.20 31.507.30 4.98 15.10 10.30 22.90 15.61 30.70 20.93 38.50 26.25 46.30 31.577.40 5.05 15.20 10.36 23.00 15.68 30.80 21.00 38.60 26.32 46.40 31.647.50 5.11 15.30 10.43 23.10 15.75 30.90 21.07 38.70 26.39 46.50 31.707.60 5.18 15.40 10.50 23.20 15.82 31.00 21.14 38.80 26.45 46.60 31.777.70 5.25 15.50 10.57 23.30 15.89 31.10 21.20 38.90 26.52 46.70 31.847.80 5.32 15.60 10.64 23.40 15.95 31.20 21.27 39.00 26.59 46.80 31.917.90 5.39 15.70 10.70 23.50 16.02 31.30 21.34 39.10 26.66 46.90 31.988.00 5.45 15.80 10.77 23.60 16.09 31.40 21.41 39.20 26.73 47.00 32.058.10 5.52 15.90 10.84 23.70 16.16 31.50 21.48 39.30 26.80 47.10 32.118.20 5.59 16.00 10.91 23.80 16.23 31.60 21.55 39.40 26.86 47.20 32.188.30 5.66 16.10 10.98 23.90 16.30 31.70 21.61 39.50 26.93 47.30 32.258.40 5.73 16.20 11.05 24.00 16.36 31.80 21.68 39.60 27.00 47.40 32.328.50 5.80 16.30 11.11 24.10 16.43 31.90 21.75 39.70 27.07 47.50 32.398.60 5.86 16.40 11.18 24.20 16.50 32.00 21.82 39.80 27.14 47.60 32.45

to get MPH from FPS multiply by 0.6818 to get FPS from MPH multiply by 1.46667

8.70 5.93 16.50 11.25 24.30 16.57 32.10 21.89 39.90 27.20 47.70 32.52

Flow Measured on One Pipe Size correlated to Another Pipe Size

**FLOW is the SAME, but VELOCITY CHANGES

Altitude Altitude = 6643 ft.Atmospheric Pressure Patm = 11.56 psiaPipe Outer Diameter ( OD ) OD = 22 inchesPipe Wall Thickness ( WT ) WT = 0.25 inchesActual Compressibility Factor ( Zact ) - from chart or chromatograph Zact = 0.935Temperature of Gas ( °F ) T = 71 °FPressure of Gas ( PSIG ) PSIG = 650 psigVolumetric Flow Rate ( MMSCFD ) - Standard Flow MMSCFD = 60 MMSCFD

Velocity of Gas ( ft/sec ) ft/sec = 5.873238 ft/sec

New Pipe Outer Diameter ( OD ) OD = 24 inchesNew Pipe Wall Thickness ( WT ) WT = 0.5 inches

New Velocity of Gas ( ft/sec ) ft/sec = 5.132145 ft/sec

a difference of 0.741094 ft/secwhich is 0.505291 mph

Flow Velocity

V fts

=

1 ,000 ,000⋅14460⋅60⋅24

14 .73(T ActualT Base )F (Z ActualZ Base )π (D2 −t)

2

(P+P Atm)

K5


K9

*This Assumes a MW of 17.4. Gas Chromatography may show More or Less which will affect the Accuracy.

gas velocity calculator

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