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 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 to 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

	Liquid Compatible
	Gas Compatible
	Alarm Compatible

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.

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
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	A	B	C	D	Connection Size FNPT
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"

7610 Series Flowmeter

Dimensions (Inches)

Metering Tube Size	Detail Letter				Connection Size (FNPT)
Metering Tube Size	A	B	C	D	Connection Size (FNPT)
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 PVC* - 3 *(Not for air service)	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

Example: 761 - 2 - 2 - 1 - A - 53W

Download Product Specifications in PDF Format

Download Installation Instructions

The Company Mission
“To produce the finest group of rotameters ever sold”

We are committed to:
Clearly understanding and fulfilling our Customers’ needs and expectations of timely delivery, product performance and value.
Fostering productive, long-term relationships with Suppliers by aligning their goals with the needs of our Customers.
Methodically improving our production systems to create true quality and productivity enhancements that directly benefit our Customers.
A culture that values continuous improvement in our products, services, and personal relationships.

Ph: (714) 891-0008 • sales@kinginstrumentco.com • 12700 Pala Drive Garden Grove, CA 92841 | Quality Made In The U.S.A.