User's Manual
Parts
28 312753E
Orifice Kits
Kit Numbers
Orifice Selection
To help choose the correct orifice for your application,
use the following equation to find a suggested ‘effective’
orifice size.
The calculated “D” is the suggested orifice size in milli-
meters. Round to the nearest available orifice size to get
the suggested orifice for the application.
F
IG. 6: L-Head Orifice Kit
Orifice size (mm) Kit
Calibrate M0934A-4
0.25 247761
0.45 247762
0.5 247763
0.75 247764
0.80 247765
0.85 247766
1.00 247767
1.10 247811
1.20 247848
1.25 247858
1.30 247859
1.40 247860
1.50 247861
1.60 247862
1.65 247863
1.70 247864
1.75 247865
1.80 247866
1.90 247867
2.00 247868
2.40 247869
3.20 247870
3.60 247871
4.20 247872
5.00 247873
5.60 247874
EB
EC
ED
EA
EE
Key:
EA L-injection Nozzle
EB L-style Injection Needle
EC O-ring
ED O-ring, fluoroelastomer
EE O-ring, fluoroelastomer
This section is provided to give an approximate ori-
fice size needed for a given application. There is no
guarantee that this formula will give you the correct
orifice.
D = Orifice Diameter (mm)
F = Flow through orifice (pounds / second)
P = Dispensing Pressure for Chemical (psi)
Sg = Specific Gravity of Chemical
D F 0.324⁄()P Sg 62.4××()×=










