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

Download Product Specifications in PDF Format
Download Installation Instructions