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7910 Series - Glass
70 flow ranges in 7 tube sizes make these 250mm scale glass tube, 304 stainless 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 Glass
Internal Components
Standard: 316L Stainless Steel
Optional: Hastelloy C-276®
Inlet/Outlet Fittings
NPT or Flange, Vertical or Horizontal
360° Fully Rotatable
Fitting Material
Standard: 316L Stainless Steel
Optional: PVC (vertical connections only)
Elastomers
Standard: Viton®
Optional: Buna N, EPR, and Kalrez®
Case and Covers
304 Stainless Steel
Options
Alarm
Latching Reed Switch
Certified Calibrations
Conform to ISA RP 16.6
Scales
Can be produced in any volumetric unit
7910
Performance
Capacities
.22 to 132 GPM — Water
.9 to 350 SCFM — Air
Scale
250 mm (10") Direct reading, detachable
Accuracy
± 2% of Full Scale Flow
Turndown
10:1 to12.5:1 unless otherwise indicated
Repeatability .5%
Max Temperature
316L SS Fittings — 200° F (93° C)
PVC Fittings — 115° F (46° C)
Max 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)
Materials Of Construction
Part
Standard
 Optional
Meter Tube Borosilicate Glass –
Float/Guide Rod 316L SS Hastelloy® C-276
Fittings 316L SS PVC*
O-Rings Viton® EPR, Buna-N, Kalrez®
Case & Cover 304SS –
Scale Plate Polycarbonate –
Shields Polycarbonate –
*PVC fittings not for air service.
Liquid Compatible
Gas Compatible
Alarm Compatible
Specifications
Order
Number
 Full Scale
Flow
GPM-Water
Alarm
Option
 Order
Number		 Full Scale
Flow
SCFM-Air¹		 Alarm
Option		 Float
Number		 Float
Type		 Press.
Drop
In W.C.²		 Tube
Size		 Tube
Number		 Dimensions
(Inches)		 Connection
Size (FNPT)
A B C D
31W
0.22
No
31A
0.9
No
3/8-LPG-01
LP
–
3G
3/8-20-G-10
20
3.125
3.125
17.5

1/2" (FNPT)

Flange connections 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
20
3.125
3.125
17.5
33W
0.64
No
33A
2.7
No
3/8-SLG-02
SL
7
3G
3/8-20-G-10
20
3.125
3.125
17.5
41W
0.77
No
41A
3.4
No
1/2-LPG-01
LP
6
4G
1/2-32-G-10
20
3.125
3.125
17.5
42W
1.02
No
42A
4.4
No
1/2-LPG-02
LP
10
4G
1/2-32-G-10
20
3.125
3.125
17.5
43W
1.2
Yes
43A
5
Yes
1/2-GVG-01
GV
10
4G
1/2-32-G-10
20
3.125
3.125
17.5
44W
1.44
No
44A
6.1
No
1/2-GSG-01
GS
15
4G
1/2-32-G-10
20
3.125
3.125
17.5
45W
1.92
Yes
45A
8.5
Yes
1/2-SLG-01
SL
28
4G
1/2-32-G-10
20
3.125
3.125
17.5
46W
2.26
Yes
46A
10.2
Yes
1/2-SLG-02
SL
41
4G
1/2-32-G-10
20
3.125
3.125
17.5
51W
1.1
No
51A
4.5
No
3/4-LPG-01
LP
1
5G
3/4-28-G-10
20
4.625
4
17.5

1" (FNPT)

Flange connections are also available. Contact the factory.
52W
2.4
Yes
52A
10
Yes
3/4-GVG-01
GV
4
5G
3/4-28-G-10
20
4.625
4
17.5
53W
3
Yes
53A
12
Yes
3/4-GSG-01
GS
5
5G
3/4-28-G-10
20
4.625
4
17.5
54W
3.3
Yes
54A
13.2
Yes
3/4-GVG-02
GV
6
5G
3/4-28-G-10
20
4.625
4
17.5
55W
4
Yes
55A
16.4
Yes
3/4-GSG-02
GS
6
5G
3/4-28-G-10
20
4.625
4
17.5
56W
5.2
Yes
56A
22
Yes
3/4-SLG-01
SL
18
5G
3/4-28-G-10
20
4.625
4
17.5
61W
6.9
Yes
–
–
No
1-LPG-02
LP
4
6G
1-32-G-10
20
4.625
4
17.5
62W
9.8
Yes
–
–
No
1-SLG-01
SL
8
6G
1-32-G-10
20
4.625
4
17.5
63W
12.6
Yes
–
–
No
1-SLG-02
SL
13
6G
1-32-G-10
20
4.625
4
17.5
64W
6.7
No
64A
27
No
1-LPP-01
LP
4
6P
1-40-P-10
20
4.625
4
17.5
65W
7.4
No
65A
30
No
1-GVP-01
GV
6
6P
1-40-P-10
20
4.625
4
17.5
66W
8.5
No
66A
35
No
1-GVP-02
GV
8
6P
1-40-P-10
20
4.625
4
17.5
67W
10.4
No
67A
42.5
No
1-GSP-01
GS
10
6P
1-40-P-10
20
4.625
4
17.5
68W
11.6
No
68A
46.5
No
1-GVP-03
GV
15
6P
1-40-P-10
20
4.625
4
17.5
69W
12
No
69A
50
No
1-GSP-02
GS
14
6P
1-40-P-10
20
4.625
4
17.5
610W
15.6
No
610A
63
No
1-GSP-03
GS
24
6P
1-40-P-10
20
4.625
4
17.5
611W
21.6
Yes
611A
100
Yes
1-SLP-01
SL
61
6P
1-40-P-10
20
4.625
4
17.5
612W
27.5
Yes
–
–
No
1-SLP-02
SL
85
6P
1-40-P-10
20
4.625
4
17.5
613W
34.5
Yes
–
–
No
1-SLP-03
SL
110
6P
1-40-P-10
20
4.625
4
17.5
84W
17
No
84A
70
No
1 1/2-GVP-01
GV
10
8P
1 1/2-32-P-10
25
5.75
6.125
20.5

1 1/2" Horiz., 2" Vertical (FNPT) (PVC fittings
Vert. only)

Flange connections are also available. Contact the factory.
85W
21.2
No
85A
87
No
1 1/2-GVP-02
GV
13
8P
1 1/2-32-P-10
25
5.75
6.125
20.5
86W
22.2
No
–
–
No
1 1/2-GSP-01
GS
14
8P
1 1/2-32-P-10
25
5.75
6.125
20.5
87W
24.8
No
87A
102
No
1 1/2-GVP-03
GV
18
8P
1 1/2-32-P-10
25
5.75
6.125
20.5
88W
28.5
No
–
–
No
1 1/2-GSP-02
GS
20
8P
1 1/2-32-P-10
25
5.75
6.125
20.5
89W
34
No
–
–
No
1 1/2-GSP-03
GS
24
8P
1 1/2-32-P-10
25
5.75
6.125
20.5
94W
41.5
No
94A
170
No
2-GVP-01
GV
20
9P
2-30-P-10
25
5.75
6.125
20.5
95W
58
No
95A
240
No
2-GSP-01
GS
25
9P
2-30-P-10
25
5.75
6.125
20.5
96W
65
No
96A
270.05
No
2-GSP-02
GS
30
9P
2-30-P-10
25
5.75
6.125
20.5
97W
85.04
No
97A
350.05
No
2-SLP-00
SL
40
9P
2-30-P-10
25
5.75
6.125
20.5
98W
100.04
No
–
–
No
2-SLP-01
SL
50
9P
2-30-P-10
25
5.75
6.125
20.5
99W
132.04
No
–
–
No
2-SLP-02
SL
60
9P
2-30-P-10
25
5.75
6.125
20.5
Float Types
LP
GV
GS
SL
Lowest Pressure Loss
Maximum Viscosity Compensation
Semi Viscosity Compensation
Maximum flow


Alarm Options:
Latching Reed Switch
A latching reed switch is available for 7300, 7470, 7480, 7600 and 7900 Series flowmeters. The switch is reed type and uses a biasing magnet to create a latching feature. The switch is classified as a simple apparatus by UL, FM, etc. and may be suitable for hazardous use when connected to an intrinsic safety barrier. Check your local electrical code for wiring specifications.		 Switch Specifications
Switch Type: SPDT
Max Contact Voltage: 100 Vdc
Max Contact Current: 0.2 A
Max Contact Power: 4 W
Breakdown Voltage: 200 Vdc

 
Ordering:
Use the following guide to determine the specific product number you require.
7
9
1
 
 
 
     
*
 
 
Meter Series Fitting Material Float Material O-Ring Material Order Number Connection Alarm Option
316 Stainless Steel - 2 316L SS - 2 EPR - 1 See Specifications Vertical - V Without Alarm - 0
PVC* - 3 Hastelloy® 276-C - 4 Buna-N - 2 Table Horizontal - H Alarm - A
*not for air service   Viton® - 3   (plastic fittings  
  Kalrez® - 4   vertical only)
        * Only use this box with order numbers
610W thru 613W. Otherwise leave blank
  Example: 791 - 2 - 2 - 3 - 83W - VO
Download Product Specifications in PDF Format
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