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Video: Familiarization with the Holding Time Calculator
Video: Calculator Demo
Pasteurization
Calculation:
Version 9.06 (15 August 2026)
Use the View menu to show additional informational panels.
Milk Origin
Added TS
Added Sweeteners
Bovine/Cow (Unknown/Average)
Bovine/Cow (Holstein)
Bovine/Cow (Brown Swiss)
Bovine/Cow (Ayrshire)
Bovine/Cow (Guernsey)
Bovine/Cow (Jersey)
Bovine/Cow (Short Horn)
Goat
Sheep
Water Buffalo
Camel (Unknown/Average)
Camel (Asia)
Camel (East Africa)
Camel (North Africa)
Camel (Indian subcontinent)
Camel (West Asia)
%
No
Yes
Holding Time is
Product
Heat Exchange
Cut-Out Temperature
Calculated (DHA-VS)
Calculated (NSRDEC)
Calculated (FDA)
Measured (FDA)
milk (skim)
milk (low fat)
milk (reduced fat)
milk (whole)
milk (10% fat)
milk (18% TS)
milk (w/ added sweeteners)
cream (half and half)
cream (medium)
cream (manufacturers)
mix (ice cream)
mix (eggnog)
cream (for butter)
cream (for plastic)
UP (dairy products)
UP (all other products)
egg, whites, plain (SE Negative Only)
egg, whole, plain
egg, whole, blends (<2% added TS)
egg, whole, sugared (2-12% added TS)
egg, yolk, plain
egg, whole, blends (2-12% added TS)
egg, whole, salted (≥2% added TS)
egg, yolk, sugared (≥2% added TS)
egg, yolk, salted (2-12% added TS)
egg, whites, plain, pH 7.8 (5.7-log)
egg, whites, plain, pH 8.2 (5.7-log)
egg, whites, plain, pH 8.8 (5.7-log)
egg, whites, plain, pH 9.3 (5.7-log)
Reset
indirect heat
direct heat
°C
Min
Cut-Out:
Boiling Pressure of Water
Min. Holding Tube Pressure
Min. Press. Drop Across Steam Injector
bar
kPa
psi
n/a
n/a
Milk Fat Contents
Density
Viscosity
Reynolds
%
kg/m
3
mPa s
Milkfat:
Pumping Time for Known Amount of Water
Pumping Time for Known Amount of Product
Time:
sec
Temp.:
C Density:
kg/m
3
Weight:
Kg
Volume:
L
Clear All
Estimate
Time:
sec
Temp.:
C Density:
kg/m
3
Weight:
Kg
Volume:
L
Clear All
Estimate
Max Flow Rate
Holding Tube Length
Inner Diameter
Volume
L/h
Max
m
Min
OD:
n/a
1.270 cm - 0.5"
1.905 cm - 0.75"
2.540 cm - 1"
3.810 cm - 1.5"
5.080 cm - 2"
6.350 cm - 2.5"
7.620 cm - 3"
10.160 cm - 4"
1.00 cm
1.20 cm
1.30 cm - DN10
1.80 cm
1.90 cm - DN15
2.20 cm
2.30 cm - DN20
2.50 cm
2.80 cm
2.90 cm - DN25
3.20 cm
3.37 cm
3.40 cm
3.50 cm - DN32
3.80 cm
4.00 cm
4.10 cm - DN40
5.10 cm
5.20 cm
5.30 cm - DN50
6.35 cm
7.00 cm - DN65
7.61 cm
8.50 cm - DN80
9.30 cm - DN90
10.16 cm
10.40 cm - DN100
12.90 cm - DN125
15.40 cm - DN150
ID:
cm
liters
Flow Rate:
Length:
Diameter:
REC to FDD Distance
Recorder Lag Time
Time to Close FDV
FF FDV Delay
FF LDV Flush Delay
cm
Min
Min:
s Max:
s
s
Max
s
s
Min
Measured Holding Time
Measured to Product Conversion Factor
Calculated Product Holding Time
sec
Min
Vm / Vw =
Reset
n/a
sec
Hold:
Average Flow
Water
Flow
Product Turbulent Flow
Product Laminar Flow
v
max
=v
avg
=
m/s
h
min
=h
avg
=
v
max
=
1.25
⋅v
avg
=
m/s
h
min
=h
avg
/
1.25
=
Reynolds=
v
max
=
1.25
⋅v
avg
=
m/s
h
min
=h
avg
/
1.25
=
v
max
=2⋅v
avg
=
m/s
h
min
=h
avg
/2=
Process Lethality
Target Lethality
F-value=
0
min
Public Health: F0=
0
min Commercial Sterility: F0=
0
min
US Forces Statement