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

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 F
GPM LPM SCFM SLPM
3G1 .48 1.8 2.0 56 ½-LPG-04 LP .50” ½-24-G-3 1.75 1.50 8.00 7.00 2.25 OD.:1”
3G2 1.0 3.8 4.0 112 ½-LPG-05 LP .50” ½-24-G-3 1.75 1.50 8.00 7.00 2.25 OD.:1”
3G3 2.0 7.6 8.2 230 ½-SLG-01 SL .50” ½-24-G-3 1.75 1.50 8.00 7.00 2.25 OD.:1”
3P1 2.5 9.4 10.0 280 ⅝-GVP-01 GV .625” ⅝-29-P-3 1.75 1.50 8.00 7.00 2.25 OD.:1”
3P2 4.0 15.0 20.0 560 ⅝-SLP-01 SL .625” ⅝-29-P-3 1.75 1.50 8.00 7.00 2.25 OD.:1”
3P3 5.6 21.0 ⅝-SLP-02 SL .625” ⅝-29-P-3 1.75 1.50 8.00 7.00 2.25 OD.:1”
3P4 7.4 28.0 ⅝-SLP-03 SL .625” ⅝-29-P-3 1.75 1.50 8.00 7.00 2.25 OD.:1”
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 F
GPM LPM SCFM SLPM
6G1 0.5 1.9 2.0 57 ½-LPG-04 LP .50” ½-24-G-6 1.75 1.50 11.57 10.57 2.25 OD.:1”
6G2 1.0 3.8 4.2 118 ½-LPG-05 LP .50” ½-24-G-6 1.75 1.50 11.57 10.57 2.25 OD.:1”
6G3 2.0 7.6 8.2 230 ½-SLG-01 SL .50” ½-24-G-6 1.75 1.50 11.57 10.57 2.25 OD.:1”
6P1 2.5 9.4 10.0 280 ⅝-GVP-02 GV .625” ⅝-32-P-6 1.75 1.50 11.57 10.57 2.25 OD.:1”
6P2 4.0 15.0 20.0 560 ⅝-SLP-04 SL .625” ⅝-32-P-6 1.75 1.50 11.57 10.57 2.25 OD.:1”
6P3 5.6 21.0 ⅝-SLP-05 SL .625” ⅝-32-P-6 1.75 1.50 11.57 10.57 2.25 OD.:1”
6P4 7.4 28.0 ⅝-SLP-06 SL .625” ⅝-32-P-6 1.75 1.50 11.57 10.57 2.25 OD.:1”

* 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
Dual Scale - 9

Brass - Inlet - 1
Brass - Outlet - 2
No Valve - 3
316L SS - Inlet - 4
316L SS - Outlet - 5