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Welcome To REPS- "Your Complete Cryogenics Company"

Departments:

CO2 System Sales
Equipment Specifications
CO2 Engineering Data
Absolute Temperature Data
Plumbing Requirements
Conversion Data For Different Types Of Gases

Engineering Data For Co2:

BTU per kilowatt	3412
BTU per pound of steam	1000
BTU per pound of water per degree	1
BTU Required to vaporize 1 pound of Co2	120
BTU Required to vaporize 1 pound of H2O	960

**Note:**
One pound of steam = One pound of water. Average heat required to vaporize and super heat one pound of Co2 to 70 degrees F = 135 BTU

**Note:**
1000 watts = 1 Kw (kilowatt)

**Steam** required per pound to vaporize and super heat = .14 lbs.
100 lbs. per hour	14 lbs. of steam
500 lbs. per hour	70 lbs. of steam
1000 lbs. per hour	140 lbs. of steam
5000 lbs. per hour	700 lbs. of steam
10,000 lbs. per hour	1400 lbs. of steam

**Note:**
The steam pressure does not effect these numbers. The steam pressure affects the sizing of the steam train and the condensate return system. Lower pressure steam will require a larger steam train and condensate system.

The following information is based on **liquid** withdrawn from the tank being pressurized with saturated liquid at 285 to 295 psig. For every pound of liquid Co2 withdrawn, .0536 lbs. of gas will need to be put back into the tank to maintain the tank at pressure.
700 lbs. of liquid withdrawn	37.52 lbs. of pressure build required
1000 lbs. of liquid withdrawn	53 lbs. of pressure build required
5000 lbs. of liquid withdrawn	268 lbs. of pressure build required
BTU per pound of pressure build	120 BTU

**Note:**
If customer is using gas off the top of the tank, the pressure build unit will have to deliver the same number of pounds of gas as the customer is using. A straight 1 to 1 ratio will need to be used.

**BTU** required to heat 1 lb. of Co2 gas 1 degree = .2040445
Example: 500 lbs. of gas per hour heated 60 degrees	500 x 60 x .2040445
	6121.33 BTU
	1.79 kilowatts
	6.12 lbs. of steam

Note:
One pound of steam = One pound of water.
Average heat required to vaporize and super heat
one pound of Co2 to 70 degrees F = 135 BTU

Power required per pound 40 watts

100 lbs. per hour 4000 watts = 4 Kw

375 lbs. per hour 15,000 watts = 15 Kw

750 lbs. per hour 30,000 watts = 30 Kw

1000 lbs. per hour 40,000 watts = 40 Kw

Note:
1000 watts = 1 Kw (kilowatt)

Steam required per pound to vaporize and super heat = .14 lbs.
100 lbs. per hour 14 lbs. of steam

500 lbs. per hour 70 lbs. of steam

1000 lbs. per hour 140 lbs. of steam

5000 lbs. per hour 700 lbs. of steam

10,000 lbs. per hour 1400 lbs. of steam

Note:
The steam pressure does not effect these numbers. The steam pressure affects the sizing of the steam train and
the condensate return system. Lower pressure steam will require a larger steam train and condensate system.

Pressure Building Information For Co2:

The following information is based on liquid withdrawn from the tank being pressurized with saturated liquid at 285 to 295 psig. For every pound of liquid Co2 withdrawn, .0536 lbs. of gas will need to be put back into the tank to maintain the tank at pressure.

700 lbs. of liquid withdrawn 37.52 lbs. of pressure build required

1000 lbs. of liquid withdrawn 53 lbs. of pressure build required

5000 lbs. of liquid withdrawn 268 lbs. of pressure build required

BTU per pound of pressure build 120 BTU

Note:
If customer is using gas off the top of the tank, the pressure build unit will have to deliver the same number of pounds of gas as the customer is using. A straight 1 to 1 ratio will need to be used.

Trim Heater Information For Co2:

BTU required to heat 1 lb. of Co2 gas 1 degree = .2040445
Example: 500 lbs. of gas per hour heated 60 degrees 500 x 60 x .2040445

6121.33 BTU

1.79 kilowatts

6.12 lbs. of steam

Wattage Change Due To Voltage

How To Contact REPS:

Send email To REPS

Rick Landucci
23792 Yosemite Blvd.
Waterford, CA 95386

Phone: 209-595-7432
Fax: 209-874-4207

Power required per pound	40 watts
100 lbs. per hour	4000 watts = 4 Kw
375 lbs. per hour	15,000 watts = 15 Kw
750 lbs. per hour	30,000 watts = 30 Kw
1000 lbs. per hour	40,000 watts = 40 Kw