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7420 Series
PVDF in-line connections,
Hastelloy C-276 internals
and borosilicate glass
tubes with a polycarbonate
housing make these both
chemical-resistant and
economical
Description
®
Glass Tube
Performance
Capacities
.48 to 7.4 GPM — Water
2 to 20 SCFM — Air
Metering Tube
Borosilicate Glass
Internal Components
316L Stainless Steel or Hastelloy C-276
®
Inlet/Outlet Fittings
1/2” FNPT, Vertical
Fitting Material
Standard: PVDF
Optional: 316L Stainless Steel
Options
Certified Calibrations
Conform to ISA RP 16.6
Scales
Can be produced in any volumetric unit
Scale
75 mm (3”), 150 mm (6”)
Direct reading
Accuracy
± 5% of Full Scale Flow, 75 mm
± 3% of Full Scale Flow, 150 mm
Turndown
10:1 to 12.5:1, unless otherwise
indicated
Repeatability
.5 %
Max Temperature
150 F (66 C)
Max Pressure
150 psig
Ambient Temperature
33 F to 125 F (1 C to 52 C)
Float Types:
GV
Maximum Viscosity
Compensation
14
LP
Lowest Pressure
Loss
Refer to specification
table on page 15
SL
Maximum Flow
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7420 Series
KINGLASS
Specifications:
Glass Tube
75mm (3”) Scale Models
Full Scale Flow
Dimensions
Order Water Air Float Float Tube Tube (Inches)
Number GPM LPM SCFM SLPM Number Type Size Number A B
3G10 .48 1.8 2.0 56
3G20 1.0 3.8 4.0 112
3G30 2.0 7.6 8.2 230
3P10 2.5 9.4 10.0 280
3P20 4.0 15.0 20.0 560
3P30 5.6 21.0 — —
3P40 7.4 28.0 — —
1
/
-LPG-04 LP .50”
2
1
/
-LPG-05 LP .50”
2
1
/
-SLG-01 SL .50”
2
5
/
-GVP-01 GV .625”
8
5
/
-SLP-01 SL .625”
8
5
/
-SLP-02 SL .625”
8
5
/
-SLP-03 SL .625”
8
1
/
-24-G-3 1.75 7.74
2
1
/
-24-G-3 1.75 7.74
2
1
/
-24-G-3 1.75 7.74
2
5
/
-29-P-3 1.75 7.74
8
5
/
-29-P-3 1.75 7.74
8
5
/
-29-P-3 1.75 7.74
8
5
/
-29-P-3 1.75 7.74
8
150mm (6”) Scale Models
Full Scale Flow Dimensions
Order Water Air Float Float Tube Tube (Inches)
Number GPM LPM SCFM SLPM Number Type Size Number A B
6G10 0.5 1.9 2.0 57
6G20 1.0 3.8 4.2 118
6G30 2.0 7.6 8.2 230
6P10 2.5 9.4 10.0 280
6P20 4.0 15.0 20.0 560
6P30 5.6 21.0 — —
6P40 7.4 28.0 — —
1
/
-LPG-04 LP .50”
2
1
/
-LPG-05 LP .50”
2
1
/
-SLG-01 SL .50”
2
5
/
-GVP-02 GV .625”
8
5
/
-SLP-04 SL .625”
8
5
/
-SLP-05 SL .625”
8
5
/
-SLP-06 SL .625”
8
1
/
-24-G-6 1.75 11.26
2
1
/
-24-G-6 1.75 11.26
2
1
/
-24-G-6 1.75 11.26
2
5
/
-32-P-6 1.75 11.26
8
5
/
-32-P-6 1.75 11.26
8
5
/
-32-P-6 1.75 11.26
8
5
/
-32-P-6 1.75 11.26
8
King Instrument Company
manufactures borosilicate
glass metering tubes.
These are used exclusively
in all Kinglass models.
Ordering:
Use the following guide to determine the specific product number you require.
7 4 B
Meter Series Order Number Float Material Fitting Material Scale
See Specifications 316L SS - 2 PVDF - 7 Millimeter - 1
Table Hastelloy® C-276 - 4 316L SS - 2 GPM Water@70
LPM Water@70
SCFM Air@STP - 4
SLPM Air@STP - 5
Non standard - 6
o
F - 2
o
F - 3
Example: 74B - 6P30 - 2 - 7 - 2
15
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