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Meter Selection Guide

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7480 Series - Glass Tube Flowmeter

This 250mm scale, economical glass tube flowmeter features 304 stainless steel case construction. NPT or flange, vertical or horizontal connections offer installation versatility.

DESCRIPTION

Metering Tube  Borosilicate Kinglass
Internal Components  Standard: 316L SS
Optional: Hastelloy® C-276
Fitting Material  Standard: 316L SS
Optional: PVC (vertical connections only)
Inlet/Outlet Fittings  FNPT or flange, vertical or horizontal
O-Ring  Standard: Viton®
Optional: Buna N, EPR, and Kalrez®
Case and Covers  304 SS case Polycarbonate shield

PERFORMANCE

Capacities  Water 0.22 to 132 GPM
Air 0.9 to 350 SCFM
Scale  250 mm (10”) direct reading, detachable
Accuracy  ± 2% of full scale flow
Turndown  10:1
Repeatability  0.5%
Maximum Temperature  316L SS fittings Gases 200° F (93° C)
PVC fittings Liquids 110° F (43° C)
Maximum Pressure  316L SS fittings 250 psig, size 3 & 4
316L SS fittings 250 psig, size 5 & 6
316L SS fittings 150 psig, size 8 & 9
PVC fittings* 150 psig, size 3, 4, 5 & 6
PVC fittings* 125 psig, size 8 & 9
Ambient Temperature  33° F to 125° F (1° C to 52° C)

* Liquids service only

OPTIONS

Alarm  Latching Reed Switch
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

Order
No.
Full Scale
Flow
GPM - Water 
Alarm
Opt. 
Order
No. 
Full Scale
Flow
SCFM - Air 
Alarm
Opt. 
Float
Number 
Float
Type 
Press.
Drop
In W.C 
Tube
Size - Number*
Dimensions (Inches)  Connection
Size 
FNPT  Flange
31W .22 No 31A .9 No 3/8-LPG-01 LP 3G - 3/8-20-G-10 19.69 4.22 4.22 15.00 17.42 3.56 3/4” 1/2”
32W .315 No 32A 1.4 No 3/8-SLG-01 SL 2 3G - 3/8-20-G-10 19.69 4.22 4.22 15.00 17.42 3.56 3/4” 1/2”
33W .64 No 33A 2.7 No 3/8-SLG-02 SL 7 3G - 3/8-20-G-10 19.69 4.22 4.22 15.00 17.42 3.56 3/4” 1/2”
41W .77 No 41A 3.4 No 1/2-LPG-01 LP 6 4G - 1/2-32-G-10 19.69 4.22 4.22 15.00 17.42 3.56 3/4” 1/2”
42W 1.02 No 42A 4.4 No 1/2-LPG-02 LP 10 4G - 1/2-32-G-10 19.69 4.22 4.22 15.00 17.42 3.56 3/4” 1/2”
43W 1.20 Yes 43A 5.0 Yes 1/2-GVG-01 GV 10 4G - 1/2-32-G-10 19.69 4.22 4.22 15.00 17.42 3.56 3/4” 1/2”
44W 1.44 No 44A 6.1 No 1/2-GSG-01 GS 15 4G - 1/2-32-G-10 19.69 4.22 4.22 15.00 17.42 3.56 3/4” 1/2”
45W 1.92 Yes 45A 8.5 Yes 1/2-SLG-01 SL 28 4G - 1/2-32-G-10 19.69 4.22 4.22 15.00 17.42 3.56 3/4” 1/2”
46W 2.26 Yes 46A 10.2 Yes 1/2-SLG-02 SL 41 4G - 1/2-32-G-10 19.69 4.22 4.22 15.00 17.42 3.56 3/4” 1/2”
51W 1.1 No 51A 4.5 No 3/4-LPG-01 SL 1 5G - 3/4-28-G-10 19.69 4.22 4.22 15.00 17.42 4.00 3/4” 1”
52W 2.4 Yes 52A 10.0 Yes 3/4-GVG-01 SL 4 5G - 3/4-28-G-10 19.69 4.22 4.22 15.00 17.42 4.00 3/4” 1”
53W 3.0 Yes 53A 12.0 Yes 3/4-GSG-01 SL 5 5G - 3/4-28-G-10 19.69 4.22 4.22 15.00 17.42 4.00 3/4” 1”
54W 3.3 Yes 54A 13.2 Yes 3/4-GVG-02 SL 6 5G - 3/4-28-G-10 19.69 4.22 4.22 15.00 17.42 4.00 3/4” 1”
55W 4.0 Yes 55A 16.4 Yes 3/4-GSG-02 SL 6 5G - 3/4-28-G-10 19.69 4.22 4.22 15.00 17.42 4.00 3/4” 1”
56W 5.2 Yes 56A 22.0 Yes 3/4-SLG-01 SL 18 5G - 3/4-28-G-10 19.69 4.22 4.22 15.00 17.42 4.00 3/4” 1”
61W 6.9 Yes 1-LPG-02 LP 4 6G - 1-32-G-10 19.69 4.22 4.22 15.00 17.42 4.00 3/4” 1”
62W 9.8 No 1-SLG-01 SL 8 6G - 1-32-G-10 19.69 4.22 4.22 15.00 17.42 4.00 3/4” 1”
63W 12.6 Yes 1-SLG-02 SL 13 6G - 1-32-G-10 19.69 4.22 4.22 15.00 17.42 4.00 3/4” 1”
64W 6.7 No 64A 27.0 No 1-LPP-01 LP 4 6P - 1-40-P-10 19.69 4.22 4.22 15.00 17.42 4.00 3/4” 1”
65W 7.4 No 65A 30.0 No 1-GVP-01 GV 6 6P - 1-40-P-10 19.69 4.22 4.22 15.00 17.42 4.00 3/4” 1”
66W 8.5 No 66A 35.0 No 1-GVP-02 GV 8 6P - 1-40-P-10 19.69 4.22 4.22 15.00 17.42 4.00 3/4” 1”
67W 10.4 No 67A 42.5 No 1-GSP-01 GS 10 6P - 1-40-P-10 19.69 4.22 4.22 15.00 17.42 4.00 3/4” 1”
68W 11.6 No 68A 46.5 No 1-GVP-03 GV 15 6P - 1-40-P-10 19.69 4.22 4.22 15.00 17.42 4.00 3/4” 1”
69W 12.0 No 69A 50.0 No 1-GSP-02 GS 14 6P - 1-40-P-10 19.69 4.22 4.22 15.00 17.42 4.00 3/4” 1”
610W 15.6 No 610A 63.0 No 1-GSP-03 GS 24 6P - 1-40-P-10 19.69 4.22 4.22 15.00 17.42 4.00 3/4” 1”
611W 21.6 Yes 611A 100.0 Yes 1-SLP-01 SL 61 6P - 1-40-P-10 19.69 4.22 4.22 15.00 17.42 4.00 3/4” 1”
612W 27.5 Yes 1-SLP-02 SL 85 6P - 1-40-P-10 19.69 4.22 4.22 15.00 17.42 4.00 3/4” 1”
613W 34.5 Yes 1-SLP-03 SL 110 6P - 1-40-P-10 19.69 4.22 4.22 15.00 17.42 4.00 3/4” 1”
84W 17.0 No 84A 70.0 No 11/2-GVP-01 LP 2 8P - 11/2-32-P-10 19.69 5.90 5.90 16.14 20.41 5 1 1/2” 1 1/2”
85W 21.2 No 85A 87.0 No 11/2-GVP-02 LP 4 8P - 11/2-32-P-10 19.69 5.90 5.90 16.14 20.41 5 1 1/2” 1 1/2”
86W 22.2 No 11/2-GSP-01 LP 6 8P - 11/2-32-P-10 19.69 5.90 5.90 16.14 20.41 5 1 1/2” 1 1/2”
87W 24.8 No 87A 102.0 No 11/2-GVP-03 GV 10 8P - 11/2-32-P-10 19.69 5.90 5.90 16.14 20.41 5 1 1/2” 1 1/2”
88W 28.5 No 11/2-GSP-02 GV 20 8P - 11/2-32-P-10 19.69 5.90 5.90 16.14 20.41 5 1 1/2” 1 1/2”
89W 35.0 No 11/2-GSP-03 GS 24 8P - 11/2-32-P-10 19.69 5.90 5.90 16.14 20.41 5 1 1/2” 1 1/2”
94W 41.5 No 94A 170.0 No 2-GVP-01 GV 2 9P - 2-30-P-10 19.69 5.90 5.90 16.14 20.41 5 1 1/2” 1 1/2”
95W 58.0 No 95A 240.0 No 2-GSP-01 GS 6 9P - 2-30-P-10 19.69 5.90 5.90 16.14 20.41 5 1 1/2” 1 1/2”
96W 65.0 No 96A 270.0 No 2-GSP-02 GS 10 9P - 2-30-P-10 19.69 5.90 5.90 16.14 20.41 5 1 1/2” 1 1/2”
97W 85.0 No 97A 350.0 No 2-SLP-00 SL 40 9P - 2-30-P-10 19.69 5.90 5.90 16.14 20.41 5 1 1/2” 1 1/2”
98W 100.0 No 2-SLP-01 SL 50 9P - 2-30-P-10 19.69 5.90 5.90 16.14 20.41 5 1 1/2” 1 1/2”
99W 132.0 No 2-SLP-02 SL 60 9P - 2-30-P-10 19.69 5.90 5.90 16.14 20.41 5 1 1/2” 1 1/2”

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

Download Dimension Drawings

ORDERING:

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

Example: 748 - 1 - 2 - 3 - 61W - 0

748 *
Meter Series Fitting Type/Material  Float Material O-Ring Material Order Number Alarm Option
Vertical FNPT - 316L SS - 1
Horizontal FNPT - 316L SS - 2
Vertical Flange - 150# - 3
Vertical Flange - 300# - 4
Horizontal Flange - 150# - 5
Horizontal Flange - 300# - 6
Vertical FNPT-PVC - 7   (not for air)
316L SS - 2
Hastelloy® 276-C - 4
EPR - 1
Buna-N - 2
Viton® - 3
Kalrez® - 4
see Specifications
table
see Specifications
table for availability
Without Alarm - 0
With Alarm - 1

* Only use this 4th box with order numbers 610W thru 613W. Otherwise leave blank.

NEED HELP?

Contact us for help selecting the correct product for your application.

(714) 891-0008 X108

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Meter Selection Guide

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