7610 Series - Glass
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 fitttings with Hastelloy® C-276 internals are suitable for a
variety of applications

Description
Metering Tube
Borosilicate Glass
Internal Components
Standard: 316L Stainless Steel
Optional: Hastelloy C-276®
Inlet/Outlet Fittings
FNPT, Vertical
Fitting Material
Standard: 316L Stainless Steel
Optional: PVC
Elastomers
Standard: Viton®
Optional: Buna N, EPR, and Kalrez®
Options
Alarm Latching Reed Switch
Certified Calibrations
Conform to ISA RP 16.6
Scales
Can be produced in any volumetric unit
King Flowmeters - 7610 Series Glass Tube Rotameters
Performance
Capacities
.25 to 116 GPM — Water
1 to 245 SCFM — Air
Scale
127 mm (5") Direct reading, detachable
Accuracy
± 3% of Full Scale Flow
Turndown
10:1 to12.5:1 unless otherwise indicated
Repeatability 1/2%
Max Temperature
316L SS Fittings — 200° F (93° C)
PVC Fittings — 110° F (43° C)
Max 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)
Materials Of Construction
Part
Standard
 Optional
Meter Tube Borosilicate Glass –
Float 316L SS Hastelloy® C-276
Guide Rod 316L SS Hastelloy® C-276
Fittings 316L SS PVC*
O-Rings Viton® EPR, Buna-N, Kalrez®
Shields Polycarbonate –
Float Stops 316L SS PVC
*PVC not for air service.
Liquid Compatible
Gas Compatible
Alarm Compatible

Specifications

Order
Number		 FullScale
Flow
GPM-Water		 Alarm
Options		 Order
Number		 FullScale
Flow
SCFM-Air 		Alarm
Options		 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 3.125 9.50 3.15 11.875 1/2"
32W .36 No 32A 1.5 No 3/8-SLG-01 SL 2 3G-3/8-20-G-5 3.125 9.50 3.15 11.875 1/2"
33W .74 No 33A 3.0 No 3/8-SLG-02 SL 5 3G-3/8-20-G-5 3.125 9.50 3.15 11.875 1/2"
41W 1.0 No 41A 4.2 No 1/2-LPG-01 LP 6 4G-1/2-27-G-5 3.125 9.50 3.15 11.875 1/2"
43W 2.0 Yes 43A 8.2 Yes 1/2-SLG-01 GS 10 4G-1/2-27-G-5 3.125 9.50 3.15 11.875 1/2"
51W 1.5 No 51A 6.0 No 3/4-LPG-01 LP 3 5G - 3/4-30-G-5 3.875 10.60 3.95 13.75 1"
52W 3.8 Yes 52A 16.0 Yes 3/4-GSG-01 GS 10 5G-3/4-30-G-5 3.875 10.60 3.95 13.75 1"
53W 5.0 Yes 53A 21.0 Yes 3/4-SLG-01 SL 14 5G-3/4-30-G-5 3.875 10.60 3.95 13.75 1"
61W 6.0 No 61A 25.5 No 1-GVP-01 GV 5 6P-1-33-P-5 3.875 10.60 3.95 13.75 1"
62W 7.4 No 62A 30.0 No 1-GVP-02 GV 6 6P-1-33-P-5 3.875 10.60 3.95 13.75 1"
63W 9.6 No 63A 40.0 No 1-GSP-01 GS 10 6P-1-33-P-5 3.875 10.60 3.95 13.75 1"
64W 11.0 No 64A 45.0 No 1-GSP-02 GS 13 6P-1-33-P-5 3.875 10.60 3.95 13.75 1"
65W 14.0 No 65A 62.0 No 1-GSP-03 GS 24 6P-1-33-P-5 3.875 10.60 3.95 13.75 1"
66W 20.0 Yes 66A 90.0 Yes 1-SLP-01 SL 39 6P-1-33-P-5 3.875 10.60 3.95 13.75 1"
67W 26.0 Yes — — — 1-SLP-02 SL 45 6P-1-33-P-5 3.875 10.60 3.95 13.75 1"
81W 22.0 Yes 81A 90.0 Yes 11/2-GVP-01 GV 16 8P-11/2-34-P-5 5.375 11.80 5.312 16 2"
82W 44.0 Yes 82A 180.0 Yes 11/2-SLP-01 SL 30 8P-11/2-34-P-5 5.375 11.80 5.312 16 2"
83W 61.0 Yes 83A 250.0 Yes 11/2-SLP-02 SL 40 8P-11/2-34-P-5 5.375 11.80 5.312 16 2"
91W 41.0 Yes 91A 160.0 Yes 2-GVP-01 GV 5 9P-2-33-P-5 5.375 11.80 5.312 16 2"
92W 60.0 Yes 92A 245.0 Yes 2-GSP-01 GS 16 9P-2-33-P-5 5.375 11.80 5.312 16 2"
93W 86.0 Yes — — — 2-SLP-01 SL 25 9P-2-33-P-5 5.375 11.80 5.312 16 2"
94W 116.0 Yes — — — 2-SLP-02 SL 45 9P-2-33-P-5 5.375 11.80 5.312 16 2"

 

Dimensions (Inches)
Metering
Tube Size
Detail Letter
 Connection
Size (FNPT)
A
B
C
D
3 & 4
2.562
8.937
2.5
11.875
.50"
5 & 6
3.875
10.687
3.375
13.75
1”
8 & 9
5.375
11.75
5.312
16
2”

 
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
6
1
 
 
 
 
     
Meter Series Fitting Material Float Material O-Ring Material Alarm Option Order Number
316L SS - 2 316L SS - 2 EPR - 1 Without Alarm - 0 See Specifications Table
PVC* - 3 Hastelloy® 276-C - 4 Buna-N - 2 One Alarm - A
*(Not for air service) Viton® - 3 Two Alarms - D
Kalrez® - 4  
  Example: 761 - 2 - 2 - 1 - A - 53W
Download Product Specifications in PDF Format