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Mercer Valve Company, Inc. ®

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Liquid Fire Sizing Information Sheet

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All formulas for calculations are at the bottom of this page, below the form.

Customer Information
  Customer Name
  Company
  Location
  Email
  Phone # () -
  Fax # () -
  Tag/PSV Numbers
  Quantity
Vessel Data
  Vessel Inside Diameter (D) in
  Vessel Length Seam to Seam (L)
(Not applicable for Spherical Tanks) 		ft
  Vessel Mounting Horizontal      Vertical      Sphere
  Types of Ends
(Not applicable for Spherical Tanks) 		Flat Head      Elliptical      Hemispherical
  Insulation Thickness in
  Fluid Level Height %       inches
  Is there ideal drainage and fire fighting equipment available? Yes       No
Operating Data
  Operating Pressure psig
  Operating Temperature °F
  Set Pressure psig
  Back Pressure  
  Superimposed psig Constant or Variable
  Built-up psig
Fluid Data (the liquid will be boiling off and turning into a vapor)
  Liquid Name
  Fluid Saturation Temperature (Tf)
(Boiling Point at Relieving Pressure)		 °F
  Latent Heat of Vaporization at Overpressure (h) BTU/lb
  Molecular Weight (M)
  Gas Constant
  Compressibility Factor (Z)

Auto Seat Technology® is a registered trademark of Mercer Valve Co., Inc. ® 9609 NW 4th St. OKC, OK 73127. 1-405-495-6533