King Instrument 7450 Specifications

7450 Series

Glass Tube

Side plate style meters with 75 mm or 150 mm borosilicate glass tube and 316L stainless steel or
brass connections. Valves optional. Available with Hastelloy® C-276 construction for greater chemical
resistance.

DESCRIPTION

Metering Tube Borosilicate Kinglass

Internal Components 316L SS

Fitting Material Brass or 316L SS

Inlet/Outlet Fittings FNPT, horizontal

Control valve optional

O-Ring Standard: Viton

Optional: Buna N, EPR, and Kalrez

PERFORMANCE

Capacities Water 0.48 to 7.4 GPM

Air 2 to 20 SCFM

Scale 75 mm (3”), 150 mm (6”)

direct reading, detachable

Accuracy ± 5% of full scale flow, 75 mm

± 3% of full scale flow, 150 mm

Turndown 10:1

Repeatability 1%

Maximum Temperature 200° F (93° C)

Maximum Pressure 200 psig

Ambient Temperature 33° F to 125° F (1° C to 52° C)

OPTIONS

Certified Calibrations Conform to ISA RP 16.6

Scales Any volumetric unit

When it comes to ow...we’re instrumental.16

7450 Series Specifications

75mm (3”) Scale Models

Full Scale Flow Dimensions (Inches)

Order

Number

3G1 .48 1.8 2.0 56 1/2-LPG-04 LP .50” 1/2-24-G-3 1.75 1.50 8.00 7.00 2.25

3G2 1.0 3.8 4.0 112 1/2-LPG-05 LP .50” 1/2-24-G-3 1.75 1.50 8.00 7.00 2.25

3G3 2.0 7.6 8.2 230 1/2-SLG-01 SL .50” 1/2-24-G-3 1.75 1.50 8.00 7.00 2.25

3P1 2.5 9.4 10.0 280 5/8-GVP-01 GV .625” 5/8-29-P-3 1.75 1.50 8.00 7.00 2.25

3P2 4.0 15.0 20.0 560 5/8-SLP-01 SL .625” 5/8-29-P-3 1.75 1.50 8.00 7.00 2.25

3P3 5.6 21.0 — — 5/8-SLP-02 SL .625” 5/8-29-P-3 1.75 1.50 8.00 7.00 2.25

3P4 7.4 28.0 — — 5/8-SLP-03 SL .625” 5/8-29-P-3 1.75 1.50 8.00 7.00 2.25

Order

Number

6G1 0.5 1.9 2.0 57 1/2-LPG-04 LP .50” 1/2-24-G-6 1.75 1.50 11.57 10.57 2.25

6G2 1.0 3.8 4.2 118 1/2-LPG-05 LP .50” 1/2-24-G-6 1.75 1.50 11.57 10.57 2.25

6G3 2.0 7.6 8.2 230 1/2-SLG-01 SL .50” 1/2-24-G-6 1.75 1.50 11.57 10.57 2.25

6P1 2.5 9.4 10.0 280 5/8-GVP-02 GV .625” 5/8-32-P-6 1.75 1.50 11.57 10.57 2.25

6P2 4.0 15.0 20.0 560 5/8-SLP-04 SL .625” 5/8-32-P-6 1.75 1.50 11.57 10.57 2.25

6P3 5.6 21.0 — — 5/8-SLP-05 SL .625” 5/8-32-P-6 1.75 1.50 11.57 10.57 2.25

6P4 7.4 28.0 — — 5/8-SLP-06 SL .625” 5/8-32-P-6 1.75 1.50 11.57 10.57 2.25

Wate r Air

GPM LPM SCFM SLPM

150mm (6”) Scale Models

Full Scale Flow Dimensions (Inches)

Wate r Air

GPM LPM SCFM SLPM

Float

Number

Float

Number

Float
Type

Float
Type

Tube

Size

Tube

Size

Tube

Number

Tube

Number

A B C D E

A B C D E

Glass Tube

DIMENSION DIAGRAM

A

C

E

DB

D

Connection Size: 3/8”
FNPT

ORDERING:

Use the following guide to determine the specific product number you require.

7 4 5

Meter Series Order Number Fitting Material O-ring Material Scale Valve Option

See Specifications Brass - 1 EPR - 1 Millimeter - 1 Brass - Inlet - 1

table 316L SS - 2 Buna-N - 2 GPM Water@70°F - 2 Brass - Outlet - 2

Viton® - 3 LPM Water@70°F - 3 No Valve - 3

Kalrez® - No Valve - 4 SCFM Air@STP - 4 316L SS - Inlet - 4

Kalrez® - Valve - 5 SLPM Air@STP - 5 316L SS - Outlet - 5

Non standard - 6

[phone] • www.kinginstrumentco.comWhen it comes to ow...we’re instrumental.

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