Pressure Testing and Purging Calculator (1)

Printed: 11/27/2012

Volume of Nitrogen Required For Testing & Purging Containers ** Insert Pertinent Information In Yellow Boxes

Pressure Testing PIPE with Nitrogen 131

Length In Ft. =

23

Dia. In Inches. = =L =D

Dia. In Ft. =

Nitrogen Volume Required

Volume of Gas @

58

PSIG:

1,868

1.917

High Pressure 'T' Cylinders Required

T Cyl.s 6.3

CF

The Nitrogen volumes shown are for pressurizing a pipe to the selected pressure only. Additional Nitrogen would be required for any additional purging or volume changes. See below for purging calculations. It is always recommended to have additional Nitrogen available to compensate for any leaks or un-foreseen requirements.

Purging or Pressure Testing TANKS with Nitrogen 131

Length or Height In Ft. = =L

=D

Nitrogen Volume Required 371 CF

Volume of Gas @ 1 Atm. To Obtain:

Purging Data

Diameter In Ft. =

Volume Required for Air Purge @ 1 Atm: Volume Required for Food Purge @ 1 Atm.: Volume Required for 100 % Purge @ 1 Atm.:

1,114 2,599 1,856

2

Appr. Residual Oxygen Approximate Vol. Levels Changes Rqd.

CF

1.0% O2 Bal.

CF

.02% O2 Bal.

CF

.14% O2 Bal.

3 7 5

T' Cyl.s Req. to Achieve Volume Changes

3.7 8.5 6.1

Purging does not require pressurization. The results shown are for the number of 'T' cylinders to provide the appropriate number of volume changes at very low flow with no pressurization. Note: NEVER enter a vessel that has been purged with Nitrogen, or any other gas unless you have tested that atmosphere for proper levels of oxygen.

For Pressure Test of Vessel, Add Test Pressure Required. Volume of Gas @

Pressure Testing Data

25

PSIG:

1,003

CF

High Pressure Cylinders Required

T Cyl.s 3.3

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Printed: 11/27/2012

Volume of Nitrogen Required For Testing & Purging Containers ** Insert Pertinent Information In Yellow Boxes

Purging or Pressure Testing FURNACES with Nitrogen

12

Length In Ft. =

5

Width In Ft. =

6

Nitrogen Volume Required 360 CF

Volume of Gas @ 1 Atm. To Obtain:

Purging Data

Height In Ft. =

1,080 2,520 1,800

Volume Required for Air Purge @ 1 Atm: Volume Required for Food Purge @ 1 Atm.: Volume Required for 100 % Purge @ 1 Atm.:

Appr. Residual Oxygen Approximate Vol. Levels Changes Rqd.

CF

1.0% O2 Bal.

CF

.02% O2 Bal.

CF

.14% O2 Bal.

T' Cyl.s Req. to Achieve Volume Changes

3 7 5

3.6 8.3 5.9

Purging does not require pressurization. The results shown are for the number of 'T' cylinders to provide the appropriate number of volume changes at very low flow with no pressurization. Note: NEVER enter a vessel that has been purged with Nitrogen, or any other gas unless you have tested that atmosphere for proper levels of oxygen.

For Pressure Test of Vessel, Add Test Pressure Required. Volume of Gas @

50

Pressure Testing Data

PSIG:

1,584

CF

High Pressure Cylinders Required

T Cyl.s 5.3

** This information is used to determine volumes of N2 requirements for purging pipelines and vessels, and is not intended to replace proper monitoring of oxygen levels with proper equipment.

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2047 Progress Way Kaukauna, WI 54130 (920) 759-0800

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N 6446 Rolling Meadow Drive Fond du Lac, WI 54937 (920) 922-9600

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