King Instrument 7510, 7511 Specifications
7510 / 7511 Series
Acrylic Tube
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 SS
Fitting Material Standard: PVC
Inlet/Outlet Fittings FNPT, vertical
O-Ring Standard: EPR
PERFORMANCE
Capacities Water 7 GPH to 20 GPM
Scale 50mm, 65mm, 100mm, 127mm,
Accuracy ± 6% of full scale flow, 50mm scale
Turndown 10:1
Repeatability 3%, 50 mm scale
Maximum Temperature Liquid 130° F (54° C)
Maximum Pressure Water 125 psig
Ambient Temperature 33° F to 125° F (1° C to 52° C)
Optional: 316L SS, brass
Optional: Buna N, Viton
Air 2.6 SCFH to 60 SCFM
250mm direct reading
± 5% of full scale flow, 65mm scale
± 4% of full scale flow, 100mm scale
± 3% of full scale flow, 127mm scale
± 2% of full scale flow, 250mm scale
2%, 75 mm scale
2%, 100 mm scale
2%, 127 mm scale
0.5%, 250 mm scale
Gases 100° F (38° C)
Air 100 psig
OPTIONS
Certified Calibrations Conform to ISA RP 16.6
Scales Any volumetric unit
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7510 / 7511 Series Specifications
Acrylic Tube
Order Flow Order Flow Connection
Number Water Number Air Size 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 3.50 1 1.50 —
— — 2A-03 5 SCFH 1/4” FNPT* 4.75 1 1.125 3.50 1 1.50 —
— — 2A-05 10 SCFH 1/4” FNPT* 4.75 1 1.125 3.50 1 1.50 —
— — 2A-07 20 SCFH 1/4” FNPT* 4.75 1 1.125 3.50 1 1.50 —
2A-02 7 GPH 2A-09 30 SCFH 1/4” FNPT* 4.75 1 1.125 3.50 1 1.50 —
2A-04 12 GPH 2A-11 70 SCFH 1/4” FNPT* 4.75 1 1.125 3.50 1 1.50 —
2A-06 22 GPH 2A-13 100 SCFH 1/4” FNPT* 4.75 1 1.125 3.50 1 1.50 —
2A-08 44 GPH 2A-15 180 SCFH 1/4” FNPT* 4.75 1 1.125 3.50 1 1.50 —
2A-10 60 GPH 2A-17 4 SCFM 1/4” FNPT* 4.75 1 1.125 3.50 1 1.50 —
2A-12 75 GPH — — 1/4” FNPT* 4.75 1 1.125 3.50 1 1.50 —
Block #2B, 65mm (2 1/2 Inch) Scale
2B-02 1 GPM 2B-01 4 SCFM 1/2” FNPT 6.50 1.375 1.375 5 1.25 2.50 .937
2B-04 2 GPM 2B-03 8 SCFM 1/2” FNPT 6.50 1.375 1.375 5 1.25 2.50 .937
2B-06 3.6 GPM 2B-05 15 SCFM 1/2” FNPT 6.50 1.375 1.375 5 1.25 2.50 .937
2B-08 5 GPM 2B-07 20 SCFM 1/2” FNPT 6.50 1.375 1.375 5 1.25 2.50 .937
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 1.25 5.25 .937
5B-04 2 GPM 5B-03 8.2 SCFM 1/2” FNPT 9.25 1.375 1.375 7.75 1.25 5.25 .937
5B-06 3.5 GPM 5B-05 15 SCFM 1/2” FNPT 9.25 1.375 1.375 7.75 1.25 5.25 .937
5B-08 5 GPM 5B-07 21 SCFM 1/2 ” FNPT 9.25 1.375 1.375 7.75 1.25 5.25 .937
Block #6A, 100mm (4 Inch) Scale
6A-02 10 GPM 6A-01 40 SCFM 1” FNPT 8.375 1.78 1.812 6.625 1.312 4 1.25
6A-04 15 GPM 6A-03 60 SCFM 1” FNPT 8.375 1.78 1.812 6.625 1.312 4 1.25
6A-06 20 GPM — — 1” FNPT 8.375 1.78 1.812 6.625 1.312 4 1.25
Block #7A, 250mm (10 Inch) Scale
7A-02 2 GPM 7A-01 8 SCFM 3/4” FNPT 14.78 1.78 1.812 13 2.50 8 1.25
7A-04 3.5 GPM 7A-03 14.8 SCFM 3/4” FNPT 14.78 1.78 1.812 13 2.50 8 1.25
7A-06 5 GPM 7A-05 20 SCFM 3/4” FNPT 14.78 1.78 1.812 13 2.50 8 1.25
7A-08 10 GPM 7A-07 42 SCFM 3/4” FNPT 14.78 1.78 1.812 13 2.50 8 1.25
Dimensions (Inches)
*Block 2A has 1/4” FNPT with brass or stainless steel tting, 1/4” MNPT with PVC ttings
**10-32 female thread. (mounting screws not supplied)
DIMENSION DIAGRAM
2A Blocks
ORDERING:
Use the following guide to determine the specific product number you require.
7 5 1
Meter Series
7510 - 2A, 6A, 7A Brass - 1 EPR - 1 See Specifications
7511 - 2B, 5B PVC - 2 Buna-N - 2 table
Fitting Material
316L SS - 3 Viton - 3
O-Ring Material Order Number
Front View Side View
2B, 5B, 6A, and 7A Blocks
Back View
(714) 891-0008 • www.kinginstrumentco.comWhen it comes to ow...we’re instrumental.
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