7450 Series – Glass Tube Flowmeter

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  Liquid 200° F (93° C)
Gases 250° F (121° 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

FLOATS

Options for rotameter float materials and designs extend flow ranges for different fluids within a given rotameter tube design.

SPECIFICATIONS

75mm (3”) Scale Models
  Full Scale Flow         Dimensions (Inches)
Order
Number
Water Air Float
Number
Float
Type
Tube
Size
Tube
Number
A B C D E
GPM LPM SCFM SLPM
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
150mm (6”) Scale Models
  Full Scale Flow         Dimensions (Inches)
Order
Number
Water Air Float
Number
Float
Type
Tube
Size
Tube
Number*
A B C D E
GPM LPM SCFM SLPM
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

* Tubes designated “G” have rib-guided floats.
Tubes designated “P” have pole-guided floats.

ORDERING:

Use the following guide to determine the specific product number you require.Example: 745 – 6P4 – 2 – 3 – 2 – 1

745
Meter Series Order Number  Fitting Material O-Ring Material ScaleType Valve Option
see
Specifications
table
Brass – 3/8″ FNPT – 1
316L SS – 3/8″ FNPT – 2
EPR – 1
Buna-N – 2
Viton® – 3
Kalrez® No Valve – 4
Kalrez® Valve – 5
Millimeter – 1
GPM Water@70°F – 2
LPM Water@70°F – 3
SCFM Air@STP – 4
SLPM Air@STP – 5
Non standard – 6
Brass – Inlet – 1
Brass – Outlet – 2
No Valve – 3
316L SS – Inlet – 4
316L SS – Outlet – 5

Download Product Specifications in PDF Format
Download Installation Instructions