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7610 Series - Glass Tube Flowmeters
7610 models feature fully enclosed, 127 mm scale, borosilicate glass metering tube with 304 stainless steel case. In-line 316L fittings and internals or PVC fittings with Hastelloy® C-276 internals are suitable for a variety of applications.
DESCRIPTION
Metering Tube | Borosilicate Kinglass | |
Internal Components | Standard: 316L SS | |
Optional: Hastelloy® C-276 | ||
Fitting Material | Standard: 316L SS | |
Optional: PVC | ||
Inlet/Outlet Fittings | FNPT, vertical | |
O-Ring | Standard: Viton® | |
Optional: Buna N, EPR, and Kalrez® | ||
Case and Covers | 304 SS case; polycarbonate shield | |
PERFORMANCE
Capacities | Water 0.25 to 116 GPM | |
Air 1 to 245 SCFM | ||
Scale | 127 mm (5”) Direct reading, detachable | |
Accuracy | ± 3% of full scale flow | |
Turndown | 10:1 | |
Repeatability | 0.5% | |
Maximum Temperature | 316L SS fittings 200° F (93° C) | |
PVC fittings 110° F (43° C) | ||
Maximum Pressure | 316L SS fittings | 250 psig, size 3 & 4 |
316L SS fittings | 200 psig, size 5 & 6 | |
316L SS fittings | 150 psig, size 8 & 9 | |
PVC fittings | 100 psig | |
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 |
FLOAT
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 |
|||||
A | B | C | D | |||||||||||||
31W | .25 | No | 31A | 1.0 | No | 3/8 -LPG-01 | LP | — | 3G - 3/8-20-G-5 | 11.875 | 3.15 | 3.125 | 9.50 | 1/2” | ||
32W | .36 | No | 32A | 1.5 | No | 3/8-SLG-01 | SL | 2 | 3G - 3/8-20-G-5 | 11.875 | 3.15 | 3.125 | 9.50 | 1/2” | ||
33W | .74 | No | 33A | 3.0 | No | 3/8 -SLG-02 | SL | 5 | 3G - 3/8-20-G-5 | 11.875 | 3.15 | 3.125 | 9.50 | 1/2” | ||
41W | 1.0 | No | 41A | 4.2 | No | 1/2-LPG-01 | LP | 6 | 4G - 1/2 -27-G-5 | 11.875 | 3.15 | 3.125 | 9.50 | 1/2” | ||
43W | 2.0 | Yes | 43A | 8.2 | Yes | 1/2 -SLG-01 | GS | 10 | 4G - 1/2-27-G-5 | 11.875 | 3.15 | 3.125 | 9.50 | 1/2” | ||
51W | 1.5 | No | 51A | 6.0 | No | 3/4 -LPG-01 | LP | 3 | 5G - 3/4 -30-G-5 | 13.75 | 3.95 | 3.90 | 10.60 | 1” | ||
52W | 3.8 | Yes | 52A | 16.0 | Yes | 3/4 -GSG-01 | GS | 10 | 5G - 3/4 -30-G-5 | 13.75 | 3.95 | 3.90 | 10.60 | 1” | ||
53W | 5.0 | Yes | 53A | 21.5 | Yes | 3/4 -SLG-01 | SL | 14 | 5G - 3/4 -30-G-5 | 13.75 | 3.95 | 3.90 | 10.60 | 1” | ||
61W | 6.0 | No | 61A | 25.5 | No | 1-GVP-01 | GV | 5 | 6P - 1-33-P-5 | 13.75 | 3.95 | 3.90 | 10.60 | 1” | ||
62W | 7.4 | No | 62A | 30.0 | No | 1-GVP-02 | GV | 6 | 6P - 1-33-P-5 | 13.75 | 3.95 | 3.90 | 10.60 | 1” | ||
63W | 9.6 | No | 63A | 40.0 | No | 1-GSP-01 | GS | 10 | 6P - 1-33-P-5 | 13.75 | 3.95 | 3.90 | 10.60 | 1” | ||
64W | 11.0 | No | 64A | 45.0 | No | 1-GSP-02 | GS | 13 | 6P - 1-33-P-5 | 13.75 | 3.95 | 3.90 | 10.60 | 1” | ||
65W | 14.0 | No | 65A | 62.0 | No | 1-GSP-03 | GS | 24 | 6P - 1-33-P-5 | 13.75 | 3.95 | 3.90 | 10.60 | 1” | ||
66W | 20.0 | Yes | 66A | 90.0 | Yes | 1-SLP-01 | SL | 39 | 6P - 1-33-P-5 | 13.75 | 3.95 | 3.90 | 10.60 | 1” | ||
67W | 26.0 | Yes | — | — | — | 1-SLP-02 | SL | 45 | 6P - 1-33-P-5 | 13.75 | 3.95 | 3.90 | 10.60 | 1” | ||
81W | 22.0 | Yes | 81A | 90.0 | Yes | 1 1/2-GVP-01 | GV | 16 | 8P - 1 1/2-34-P-5 | 16 | 5.312 | 5.375 | 11.80 | 2” | ||
82W | 44.0 | Yes | 82A | 180.0 | Yes | 1 1/2-SLP-01 | SL | 30 | 8P - 1 1/2-34-P-5 | 16 | 5.312 | 5.375 | 11.80 | 2” | ||
83W | 61.0 | Yes | 83A | 250.0 | Yes | 1 1/2-SLP-02 | SL | 40 | 8P - 1 1/2-34-P-5 | 16 | 5.312 | 5.375 | 11.80 | 2” | ||
91W | 41.0 | Yes | 91A | 160.0 | Yes | 2-GVP-01 | GV | 5 | 9P - 2-33-P-5 | 16 | 5.312 | 5.375 | 11.80 | 2” | ||
92W | 60.0 | Yes | 92A | 245.0 | Yes | 2-GSP-01 | GS | 16 | 9P - 2-33-P-5 | 16 | 5.312 | 5.375 | 11.80 | 2” | ||
93W | 86.0 | Yes | — | — | — | 2-SLP-01 | SL | 25 | 9P - 2-33-P-5 | 16 | 5.312 | 5.375 | 11.80 | 2” | ||
94W | 116.0 | Yes | — | — | — | 2-SLP-02 | SL | 45 | 9P - 2-33-P-5 | 16 | 5.312 | 5.375 | 11.80 | 2” |
* 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: 761 - 2 - 2 - 1 - A - 53W
761 | |||||
Meter Series | Fitting Material | Float Material | O-Ring Material | Alarm Option | Order Number |
316L SS - 2 PVC (Not for air service) - 3 |
316L SS - 2 Hastelloy® 276-C - 4 |
EPR - 1 Buna-N - 2 Viton® - 3 Kalrez® - 4 |
Without Alarm - 0 One Alarm - A Two Alarms - D |
See Specifications table |
NEED HELP?
Contact us for help selecting the correct product for your application.
(714) 891-0008 X108