7510 & 7511 Series - Acrylic
Acrylic block construction with direct reading scales have white screen printed backs to enhance scale
readability. Connections are in-line for easy installation.

Description
Metering Tube
Machined Cast Acrylic
Internal Components
316L Stainless Steel
Inlet/Outlet Fittings
FNPT, Vertical
Fitting Material
Standard: PVC
Optional: 316L Stainless Steel, Brass
Elastomers
Standard: EPR
Optional: Buna N, Viton
Options
Certified Calibrations
Conform to ISA RP 16.6
Scales
Can be produced in any volumetric unit
Liquid Compatible
Gas Compatible
7510 & 7511 Series Acrylic Tube Rotameters
Performance
Capacities
7 GPH to 20 GPM – Water
2.6 SCFH to 60 SCFM – Air
Scale
50 mm, 65 mm, 100 mm, 127 mm, 250 mm Direct reading
Accuracy
± 6% of Full Scale Flow, 50 mm scale
± 5% of Full Scale Flow, 65 mm scale
± 4% of Full Scale Flow, 100 mm scale
± 3% of Full Scale Flow, 127 mm scale
± 2% of Full Scale Flow, 250 mm scale
Turndown
10:1 to12.5:1 unless otherwise indicated
Repeatability
3%, 50 mm scale 2%, 75 mm scale
2%, 100 mm scale 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
7510
7510
7511
Block #
2A
6A & 7A
2B & 5B
Meter Tube Cast Acrylic Cast Acrylic Cast Acrylic
Fittings Brass*, PVC*, 316L SS PVC*, Brass, 316L SS PVC*, Brass, 316L SS
O-Rings EPR*, Buna-N, Viton® EPR*, Buna-N, Viton® EPR*, Buna-N, Viton®
*Denotes standard construction.
Specifications
Order
Number		 Flow
Water		 Order
Number		 Flow
Air		 Connection
Size
Dimensions (Inches)
A
B
C
D
E
F
G
Block #2A, 50mm (2" Inch) Scale
–
–
2A-01
2.6 SCFH
1/4" FNPT*
4.75
1
1.125
3.5
1.5
–
1
–
–
2A-03
5 SCFH
1/4" FNPT*
4.75
1
1.125
3.5
1.5
–
1
–
–
2A-05
10 SCFH
1/4" FNPT*
4.75
1
1.125
3.5
1.5
–
1
–
–
2A-07
20 SCFH
1/4" FNPT*
4.75
1
1.125
3.5
1.5
–
1
2A-02
7 GPH
2A-09
30 SCFH
1/4" FNPT*
4.75
1
1.125
3.5
1.5
–
1
2A-04
12 GPH
2A-11
70 SCFH
1/4" FNPT*
4.75
1
1.125
3.5
1.5
–
1
2A-06
22 GPH
2A-13
100 SCFH
1/4" FNPT*
4.75
1
1.125
3.5
1.5
–
1
2A-08
44 GPH
2A-15
180 SCFH
1/4" FNPT*
4.75
1
1.125
3.5
1.5
–
1
2A-10
60 GPH
2A-17
4 SCFM
1/4" FNPT*
4.75
1
1.125
3.5
1.5
–
1
2A-12
75 GPH
–
–
1/4" FNPT*
4.75
1
1.125
3.5
1.5
–
1
Block #2B, 50mm (2" Inch) Scale
2B-02
1 GPM
2B-01
4 SCFM
1/2" FNPT
6.5
1.375
1.375
5
2.5
.937
1.25
2B-04
2 GPM
2B-03
8 SCFM
1/2" FNPT
6.5
1.375
1.375
5
2.5
.937
1.25
2B-06
3.6 GPM
2B-05
15 SCFM
1/2" FNPT
6.5
1.375
1.375
5
2.5
.937
1.25
2B-08
5 GPM
2B-07
20 SCFM
1/2" FNPT
6.5
1.375
1.375
5
2.5
.937
1.25
Block #5B, 127mm (5" Inch) Scale
5B-02
1 GPM
5B-01
4.2 SCFM
1/2" FNPT
9.25
1.375
1.375
7.75
5.25
.937
1.25
5B-04
2 GPM
5B-03
8.2 SCFM
1/2" FNPT
9.25
1.375
1.375
7.75
5.25
.937
1.25
5B-06
3.5 GPM
5B-05
15 SCFM
1/2" FNPT
9.25
1.375
1.375
7.75
5.25
.937
1.25
5B-08
5 GPM
5B-07
21 SCFM
1/2" FNPT
9.25
1.375
1.375
7.75
5.25
.937
1.25
Block #6A, 100mm (4" Inch) Scale
6A-02
10 GPM
6A-01
40 SCFM
1" FNPT
8.375
1.75
1.812
6.625
4
1.25
1.312
6A-04
15 GPM
6A-03
60 SCFM
1" FNPT
8.375
1.75
1.812
6.625
4
1.25
1.312
6A-06
20 GPM
–
–
1" FNPT
8.375
1.75
1.812
6.625
4
1.25
1.312
Block #7A, 250mm (10" Inch) Scale
7A-02
2 GPM
7A-01
8 SCFM
3/4" FNPT
14.812
1.78
1.812
13
8
1.25
2.5
7A-04
3.5 GPM
7A-03
14.8 SCFM
3/4" FNPT
14.812
1.78
1.812
13
8
1.25
2.5
7A-06
5 GPM
7A-05
20 SCFM
3/4" FNPT
14.812
1.78
1.812
13
8
1.25
2.5
7A-08
10 GPM
7A-07
42 SCFM
3/4" FNPT
14.812
1.78
1.812
13
8
1.25
2.5

• Block 2A has 1/4" FNPT with Brass or Stainless Steel Fitting, 1/4" MNPT with PVC fittings
**10-32 female thread. (Mounting Screws Not Supplied)



                              
Ordering:
Use the following guide to determine the specific product number you require.
7
5
1
  
 
 
       
Meter Series Fitting Material O-Ring Material Order Number
7510 - 2A, 6A, 7A Brass - 1 EPR - 1 See Specifications Table
7511 - 2B, 5B PVC - 2 Buna-N - 2  
316L SS - 3 Viton® - 3
  Example: 7511 - 2 - 1 - 5B08
Download Product Specifications in PDF Format