1000-4 page 3
C V INTERACTIVE CALCULATOR
Option 1: Solve for ∆ P P inlet G Temp Flow Cv
Option 2: Solve for Cv
P inlet G Temp
psig
psig
°F scfh
°F
Flow
scfh
∆ P (acceptable)
inWC
inWC
∆ P =
Cv =
INSTRUCTION for USE For Option 1 Calculator
Step 1: Select the Cv from page 1 for the valve you want to use in the application. Step 2: Enter all the data in the Option 1 calculator above. Step 3: Review the resulting P. Repeat calculations as required for different Cv values until you obtain the desired P.
For Option 2 Calcuator
Step 1: Determine the P you can afford to take across the valve. Step 2: Enter all the data in Option 2 calculator above. Step 3: Review the resulting Cv. Step 4: Enter the chart on page 1 and select the next larger Cv from what was calculated. Optional Step 5: Enter the the selected Cv in the Option 1 calculator to determine the P for the selected valve.
WARNING: Situations dangerous to personnel and property may exist with the operation and maintenance of any combustion equipment. The presence of fuels, oxidants, hot and cold combustion products, hot surfaces, electrical power in control and ignition circuits, etc., are inherent with any combustion application. Components in combustion systems may exceed 160°F (71°C) surface temperatures and present hot surface contact hazard. Fives North American Combustion, Inc. suggests the use of combustion systems that are in compliance with all Safety Codes, Standards, Regulations and Directives; and care in operation.
CONTACT fna.sales@fivesgroup.com T +1 800 626 3477 - F +1 216 373 4237
Fives North American Combustion, Inc. 4455 East 71st Street - Cleveland, OH 44105 - USA www.fivesgroup.com
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