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CALCULATE THE VOLUME OF PRESSURE VESSEL HEADS

Head Volume Calculator
U.S. Gallons for Cylindrical Heads
Measurements:
Head Inside Diameter:	inches
Straight Flange Length:	inches
Head Type:	Select a head type ASME Flanged & Dished Standard Flanged & Dished 80:10 Flanged & Dished Hemispherical Elliptical
ASME Flanged & Dished:	Dish Radius = Head Diameter Knuckle Radius = 6% of Head Diameter
Standard Flanged & Dished:	Dish Radius = Head Diameter Knuckle Radius = 3/4" to 2" depending on Head Diameter
80:10 Flanged & Dished:	Dish Radius = 80% of Head Diameter Knuckle Radius = 10% of Head Diameter
Hemispherical:	Dish Radius = 1/2 Head Inside Diameter Knuckle Radius = N/A
Elliptical:	Dish Radius ≡ 90% of Head Diameter Knuckle Radius ≡ 17.3% of Head Diameter
ASME:	10% Dish Radius = Head Diameter Knuckle Radius = 10% of Head Diameter
Calculation Results:
Volume of straight flange	Gallons  Liters
Volume of Head (Does not include Straight Flange volume)	Gallons  Liters
Total volume of head	Gallons  Liters
Flooded volume	Gallons  Liters