7910-2


Compatability-ALG



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7910 Series - Glass Tube Flowmeter

70 flow ranges in 7 tube sizes makes these 250 mm scale glass tube, 304 Stainless steel case models one of our largest series. Dual port connections (both horizontal and vertical on each end) allow for a variety of installation options.

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  NPT or flange, vertical or horizontal 360° fully rotatable
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  250mm (10”) Direct reading, detachable
Accuracy  ± 2% of full scale flow
Turndown  10:1
Repeatability  0.5 %
Maximum Temperature  316L SS fittings 200° F (93° C)
PVC fittings 115° F (46° C)
Maximum Pressure  316L SS fittings 300 psig, size 3 & 4
316L SS fittings 250 psig, size 5 & 6
316L SS fittings 150 psig, size 8
316L SS fittings 125 psig, size 9
PVC fittings 150 psig, size 3,4,5,6 & 8
PVC fittings 125 psig, size 9
Ambient Temperature  33° F to 125° F (1° C to 52° C)

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
Tube
Number*
Dimensions (Inches) Connection
Size FNPT
A B C D E
31W 0.220 No 31A .9 No 3/8-LPG-01 LP 3G 3/8-20-G-10 19.85 3.125 14.45 3.125 17.50 1/2” (FNPT)
Flange
connection are
also available.
Contact
the factory.
32W 0.315 No 32A 1.4 No 3/8-SLG-01 SL 2 3G 3/8-20-G-10 19.85 3.125 14.45 3.125 17.50
33W 0.640 No 33A 2.7 No 3/8-SLG-02 SL 7 3G 3/8-20-G-10 19.85 3.125 14.45 3.125 17.50
41W 0.77 No 41A 3.4 No 1/2-LPG-01 LP 6 4G 1/2-32-G-10 19.85 3.125 14.45 3.125 17.50
42W 1.02 No 42A 4.4 No 1/2-LPG-02 LP 10 4G 1/2-32-G-10 19.85 3.125 14.45 3.125 17.50
43W 1.20 Yes 43A 5.0 Yes 1/2-GVG-01 GV 10 4G 1/2-32-G-10 19.85 3.125 14.45 3.125 17.50
44W 1.44 No 44A 6.1 No 1/2-GSG-01 GS 15 4G 1/2-32-G-10 19.85 3.125 14.45 3.125 17.50
45W 1.92 Yes 45A 8.5 Yes 1/2-SLG-01 SL 28 4G 1/2-32-G-10 19.85 3.125 14.45 3.125 17.50
46W 2.26 Yes 46A 10.2 Yes 1/2-SLG-02 SL 41 4G 1/2-32-G-10 19.85 3.125 14.45 3.125 17.50
51W 1.1 No 51A 4.5 No 3/4-LPG-01 LP 1 5G 3/4-28-G-10 20.75 4.625 14.46 4.50 17.45 1” (FNPT) Flange
connections are
also available.
Contact
the factory
52W 2.4 Yes 52A 10.0 Yes 3/4-GVG-01 GV 4 5G 3/4-28-G-10 20.75 4.625 14.46 4.50 17.45
53W 3.0 Yes 53A 12.0 Yes 3/4-GSG-01 GS 5 5G 3/4-28-G-10 20.75 4.625 14.46 4.50 17.45
54W 3.3 Yes 54A 13.2 Yes 3/4-GVG-02 GV 6 5G 3/4-28-G-10 20.75 4.625 14.46 4.50 17.45
55W 4.0 Yes 55A 16.4 Yes 3/4-GSG-02 GS 6 5G 3/4-28-G-10 20.75 4.625 14.46 4.50 17.45
56W 5.2 Yes 56A 22.0 Yes 3/4-SLG-01 SL 18 5G 3/4-28-G-10 20.75 4.625 14.46 4.50 17.45
61W 6.9 Yes 1-LPG-02 LP 4 6G 1-32-G-10 20.75 4.625 14.46 4.50 17.45
62W 9.8 No 1-SLG-01 SL 8 6G 1-32-G-10 20.75 4.625 14.46 4.50 17.45
63W 12.6 Yes 1-SLG-02 SL 13 6G 1-32-G-10 20.75 4.625 14.46 4.50 17.45
64W 6.7 No 64A 27.0 No 1-LPP-01 LP 4 6P 1-40-P-10 20.75 4.625 14.46 4.50 17.45
66W 8.5 No 66A 35.0 No 1-GVP-02 GV 8 6P 1-40-P-10 20.75 4.625 14.46 4.50 17.45
67W 10.4 No 67A 42.5 No 1-GSP-01 GS 10 6P 1-40-P-10 20.75 4.625 14.46 4.50 17.45
68W 11.6 No 68A 46.5 No 1-GVP-03 GV 15 6P 1-40-P-10 20.75 4.625 14.46 4.50 17.45
69W 12.0 No 69A 50.0 No 1-GSP-02 GS 14 6P 1-40-P-10 20.75 4.625 14.46 4.50 17.45
610W 15.6 No 610 A 63.0 No 1-GSP-03 GS 24 6P 1-40-P-10 20.75 4.625 14.46 4.50 17.45
611W 21.6 Yes 611A 100.0 Yes 1-SLP-01 SL 61 6P 1-40-P-10 20.75 4.625 14.46 4.50 17.45
612W 27.5 Yes 1-SLP-02 SL 85 6P 1-40-P-10 20.75 4.625 14.46 4.50 17.45
613W 34.5 Yes 1-SLP-03 SL 110 6P 1-40-P-10 20.75 4.625 14.46 4.50 17.45
84W 17.0 No 84A 70.0 No 11/2-GVP-01 GV 10 8P 11/2-32-P-10 25.65 6.25 16.25 6.125 20.50 1 1/2” Horiz.,
2” Vert (FNPT)
(PVC fittings
vert. only)
Flange
connection
also available.
Contact
the factory
85W 21.2 No 85A 87.0 No 11/2-GVP-02 GV 13 8P 11/2-32-P-10 25.65 6.25 16.25 6.125 20.50
86W 22.2 No 11/2-GSP-01 GS 14 8P 11/2-32-P-10 25.65 6.25 16.25 6.125 20.50
87W 24.8 No 87A 102.0 No 11/2-GVP-03 GV 18 8P 11/2-32-P-10 25.65 6.25 16.25 6.125 20.50
88W 28.5 No 11/2-GSP-02 GS 20 8P 11/2-32-P-10 25.65 6.25 16.25 6.125 20.50
89W 35.0 No 11/2-GSP-03 GS 24 8P 11/2-32-P-10 25.65 6.25 16.25 6.125 20.50
94W 41.5 No 94A 170.0 No 2-GVP-01 GV 20 9P 2-30-P-10 25.65 6.25 16.25 6.125 20.50
95W 58.0 No 95A 240.0 No 2-GSP-01 GS 25 9P 2-30-P-10 25.65 6.25 16.25 6.125 20.50
96W 65.0 No 96A 270.0 No 2-GSP-02 GS 30 9P 2-30-P-10 25.65 6.25 16.25 6.125 20.50
97W 85.0 No 97A 350.0 No 2-SLP-00 SL 40 9P 2-30-P-10 25.65 6.25 16.25 6.125 20.50
98W 100.0 No 2-SLP-01 SL 50 9P 2-30-P-10 25.65 6.25 16.25 6.125 20.50
99W 132.0 No 2-SLP-02 SL 60 9P 2-30-P-10 25.65 6.25 16.25 6.125 20.50

* 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: 791 - 2 - 2 - 3 - 83W - V - O

791 *
Meter Series Fitting Material
Float Material
O-Ring Material Order Number Connection Alarm Option
316 Stainless Steel - 2
PVC (not for air) - 3
316L SS - 2
Hastelloy® 276-C - 4
EPR - 1
Buna-N - 2
Viton® - 3
Kalrez® - 4
see Specifications
table
* Only use this box
with order numbers
610W thru 613W.
Otherwise leave blank
Vertical - V
Horizontal - H
(plastic fittings
vertical only)
No Alarm - 0
Alarm - A

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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