7520 & 7530 Series - Acrylic Tube Flowmeter
Economical machined cast acrylic block construction makes these flowmeters great for OEM use.
Optional inlet metering valve available.
Description
Metering Tube
Machined Cast Acrylic
Internal Components
316L Stainless Steel
Inlet/Outlet Fittings
NPT, Horizontal, Inlet valve optional
Fitting Material
Standard: PVC (Brass for 2C block size)
Optional: 316L Stainless Steel or Brass
Elastomers
Standard: EPR
Optional: Buna N, Viton®, and Kalrez®
Options
Certified Calibrations
Conform to ISA RP 16.6
Scales
Can be produced in any volumetric unit
 |
Liquid Compatible |
 |
Gas Compatible |
Performance
Capacities
7 GPH to 20 GPM – Water
2.6 SCFH to 60 SCFM – Air
Scale
50 mm, 75 mm, 100 mm, 127 mm, 250 mm Direct reading
Accuracy
± 6% of Full Scale Flow, 50 mm scale
± 4% of Full Scale Flow, 75 mm scale
± 4% of Full Scale Flow, 100 mm scale
± 7% of Full Scale Flow, 6C-04, 6C-06
± 3% of Full Scale Flow, 127 mm scale
± 2% of Full Scale Flow, 250 mm scale
Turndown
10:1 to unless otherwise indicated
Repeatability
3%, 50 mm scale
2%, 75 mm scale
2%, 100 mm scale
4%, 6C-04, 6C-06
2%, 127 mm scale
1/2%, 250 mm scale
Max Temperature
Air – 100° F (38° C)
Water – 130° F (54° C)
Max Pressure
Water – 125 psig
Air – 100 psig
Ambient Temperature
33° F to 125° F (1° C to 52° C)
Materials Of Construction
| Model | 7520 | 7520 | 7530 | 7530 |
| Block # | 2C | 3C, 5C, 6C & 7C | 2C | 3C, 5C, 6C & 7C |
| Meter Tube | Cast Acrylic | Cast Acrylic | Cast Acrylic | Cast Acrylic |
| Fittings | Brass*, 316L SS | PVC*, Brass, 316L SS | Brass*, 316L SS | PVC*, Brass*, 316L SS |
| O-Rings | EPR*, Buna-N, Viton® | EPR*, Buna-N, Viton® | EPR*, Buna-N, Viton® | EPR*, Buna-N, Viton® |
| Valve Assembly | Not Available | Not Available | Brass*, 316L SS | Brass*, 316L SS |
*Denotes standard construction.
Specifications
| Order Number |
Flow Water |
Order Number |
Flow Air |
Dimensions (inches) | ||||||
| A | B | C | D | E | F | G | ||||
| Block #2C, 50mm (2" Inch) Scale | ||||||||||
| – | – | 2C-01 | 2.6 SCFH | 4.125 | 1 | 1.125 | 4 | .50 | 1.05 | 3 |
| – | – | 2C-03 | 5 SCFH | 4.125 | 1 | 1.125 | 4 | .50 | 1.05 | 3 |
| – | – | 2C-05 | 10 SCFH | 4.125 | 1 | 1.125 | 4 | .50 | 1.05 | 3 |
| – | – | 2C-07 | 20 SCFH | 4.125 | 1 | 1.125 | 4 | .50 | 1.05 | 3 |
| 2C-02 | 7 GPH | 2C-09 | 30 SCFH | 4.125 | 1 | 1.125 | 4 | .50 | 1.05 | 3 |
| 2C-04 | 12 GPH | 2C-11 | 60 SCFH | 4.125 | 1 | 1.125 | 4 | .50 | 1.05 | 3 |
| 2C-06 | 22 GPH | 2C-13 | 100 SCFH | 4.125 | 1 | 1.125 | 4 | .50 | 1.05 | 3 |
| 2C-08 | 44 GPH | 2C-15 | 180 SCFH | 4.125 | 1 | 1.125 | 4 | .50 | 1.05 | 3 |
| 2C-10 | 60 GPH | 2C-17 | 4 SCFM | 4.125 | 1 | 1.125 | 4 | .50 | 1.05 | 3 |
| 2C-12 | 75 GPH | – | – | 4.125 | 1 | 1.125 | 4 | .50 | 1.05 | 3 |
| Block #3C, 75mm (3" Inch) Scale | ||||||||||
| 3C-02 | 1 GPM | 3C-01 | 4 SCFM | 6.875 | 1.20 | 1.35 | 6.625 | 1 | 1.37 | 5 |
| 3C-04 | 2 GPM | 3C-03 | 8 SCFM | 6.875 | 1.20 | 1.35 | 6.625 | 1 | 1.37 | 5 |
| 3C-06 | 3.5 GPM | 3C-05 | 15 SCFM | 6.875 | 1.20 | 1.35 | 6.625 | 1 | 1.37 | 5 |
| 3C-08 | 5 GPM | 3C-07 | 23 SCFM | 6.875 | 1.20 | 1.35 | 6.625 | 1 | 1.37 | 5 |
| Block #5C, 127mm (5" Inch) Scale | ||||||||||
| 5C-10 | 10 GPH | 5C-11 | 42 SCFH | 8.45 | 1.20 | 1.35 | 8.25 | 1 | 1.37 | 6.437 |
| 5C-12 | 20 GPH | 5C-13 | 100 SCFH | 8.45 | 1.20 | 1.35 | 8.25 | 1 | 1.37 | 6.437 |
| 5C-14 | 40 GPH | 5C-15 | 175 SCFH | 8.45 | 1.20 | 1.35 | 8.25 | 1 | 1.37 | 6.437 |
| 5C-02 | 1 GPM | 5C-01 | 4 SCFM | 8.45 | 1.20 | 1.35 | 8.25 | 1 | 1.25 | 6.437 |
| 5C-04 | 100 GPH | 5C-03 | 6.8 SCFM | 8.45 | 1.20 | 1.35 | 8.25 | 1 | 1.37 | 6.437 |
| 5C-06 | 2 GPM | 5C-05 | 8.2 SCFM | 8.45 | 1.20 | 1.35 | 8.25 | 1 | 1.37 | 6.437 |
| 5C-08 | 5 GPM | 5C-07 | 22 SCFM | 8.45 | 1.20 | 1.35 | 8.25 | 1 | 1.37 | 6.437 |
| Block #6C, 100mm (4" Inch) Scale | ||||||||||
| 6C-02 | 10 GPM | 6C-01 | 40 SCFM | 9.125 | 1.78 | 1.812 | 8.875 | 1.25 | 1.875 | 6.5 |
| 6C-04 | 15 GPM | 6C-03 | 60 SCFM | 9.125 | 1.78 | 1.812 | 8.875 | 1.25 | 1.875 | 6.5 |
| 6C-06 | 20 GPM | – | – | 9.125 | 1.78 | 1.812 | 8.875 | 1.25 | 1.875 | 6.5 |
| Block #7C, 250mm (10" Inch) Scale | ||||||||||
| 7C-02 | 2 GPM | 7C-01 | 8 SCFM | 14.5 | 1.78 | 1.812 | 14.25 | 0.75 | 1.75 | 12.25 |
| 7C-04 | 3.5 GPM | 7C-03 | 14.4 SCFM | 14.5 | 1.78 | 1.812 | 14.25 | 0.75 | 1.75 | 12.25 |
| 7C-06 | 5 GPM | 7C-05 | 20 SCFM | 14.5 | 1.78 | 1.812 | 14.25 | 0.75 | 1.75 | 12.25 |
| 7C-08 | 10 GPM | 7C-07 | 42 SCFM | 14.5 | 1.78 | 1.812 | 14.25 | 0.75 | 1.75 | 12.25 |
Connections & Mounting
| Block | Connection | Centerline | Thread | Diameter |
| Number | Size | H | J | L |
| 2C | 1/4" FNPT | – | – | 0.625 |
| 3C | 1/2" MNPT x .25"FNPT | 3 | .25 - 20 | 1 |
| 5C | 1/2" MNPT x .25"FNPT | 3.937 | .25 - 20 | 1 |
| 6C | 1" MNPT | 4 | .25 - 20 | 1.375 |
| 7C | 1/2" FNPT | 8.75 | .375 - 24 | 1.25 |
Ordering:
Use the following guide to determine the specific product number you require.
7
5
|
||||
| Meter Series | Fitting Material | O-Ring Material | Valve Material | Order Number |
| 7520 No valve 7530 With valve |
Brass - 1 PVC - 2 316L SS - 3 |
EPR - 1 Buna-N - 2 Viton® - 3 |
Brass - 1 316L SS - 2 Without Valve - 0 |
See Specifications Table |
Example: 7520 - 1 - 1 - 0 - 5C06
The Company Mission
“To produce the finest group of rotameters ever sold”
We are committed to:
Clearly understanding and fulfilling our Customers’ needs and expectations of timely delivery, product performance and value.
Fostering productive, long-term relationships with Suppliers by aligning their goals with the needs of our Customers.
Methodically improving our production systems to create true quality and productivity enhancements that directly benefit our Customers.
A culture that values continuous improvement in our products, services, and personal relationships.
Ph: (714) 891-0008 • sales@kinginstrumentco.com • 12700 Pala Drive Garden Grove, CA 92841 | Quality Made In The U.S.A.