Flow Meter Specifications Sheet

Specifications

Housing	Polycarbonate	Aluminum
	UV Stabilized

Body	Bronze	Monel
		316 SS

Bellows	Bronze	Monel
		316 SS
		Inconel

Seals	Buna-N	Viton
		EPR
		Teflon

Crystal	Polycarbonate	Glass
		Plastic

Gear Movement	Bronze	316 SS

Accuracy	± 3% F.S
Repeatability	± 1% F.S

Pressure
Maximum	180 psig	400 psig
Minimum	10 psig	10 psig

Temperature
Maximum	212 °F	350 °F
Minimum	-30 °F	-80 °F


	Standard Options How to Order Selecting the Flo-Gage is easy... and our factory staff is always glad to help! Select a) body size, b) series, c) body material, d) direction of flow, e) full scale flow rate, f) options (if required) and g) switches (if required). a) BODY SIZE - the pipe size at the meter inlet. See "Standard Flow Rates and Body Sizes" for available sizes. b) SERIES (end connection) 7 - Threaded units provided with FNPT connections standard. (FBSP parallel threads available on request for Bronze and Monel) 8 - Wafer units mount between any standard 150 or 300 class flanges (or international equivalent). c) MATERIAL 1 = Bronze 2 = Monel 3 = Stainless Steel (316) d) FLOW DIRECTION (L, R, VUL, VUR, VDL, VDR) e) FLOW RATE (full scale GPM for liquids and SCFM for compressed gas). Prefix full scale with "M" for metric units. Non-standard flow rates require option "E". f) OPTIONS (if required) - Select from the Table of Options Below. g) SWITCHES (if required) - See Options Table Below. 1S2 - One single pole double throw dry contact form C switch 2S2 - Two single pole double throw dry contact form C switches Example: 3/4-71-R-20-AD-1S2 is the catalog number for a 3/4" FNPT connection Series 7000 Flo-Gage of Bronze construction, flow direction from left to right, flow range of 20 GPM full scale, equipped with optional seals of Viton, optional gasketed case and one single pole double throw reed switch. Example 3/4 - 71 - R - 20 - AD - 1S2 I I I I I I I a bc d e f g Curve A - bronze bellows

Specifications (continued)

Description

The RCM Flo-Gage™ is a direct reading flow meter with a large, easy to read dial calibrated in engineering units (GPM, SCFM, I/min, etc.).

The Flo-Gage™ measures flow based on a pressure differential created across a built-in calibrated nozzle. The meter is self-contained and complete. It does not require external power connections, separate orifices, or blocking, purging or equalizing valves.

The Flo-Gage™ is suitable for measuring water, oil and most other low viscosity liquids which do not deposit out and which are compatible with the materials of construction.

The Flo-Gage™ is also suitable for measuring compressed air, oxygen, carbon dioxide and many other nontoxic compressed gases (specify option I). Saturated Steam can also be measured up to 120 psig (Option K).

The Flo-Gage™ can be fitted with a transmitter to provide a current output for remote indication, recording or totalization, or with reed switch contacts for signaling high or low flows.

Features and Benefits

Sturdy in-line metal construction to withstand piping stresses without breaking
Black on white dial won't crack, glaze or become hard to read
Expanded 3.5" (90 mm) 270° analog dial for reading at a glance
Suitable for use with both opaque and clear fluids
Measures 6:1 range with ± 3% F.S. accuracy
Dial and case factory configured for quick installation but easily field re-configured if needed
Liquid flow ranges from 4 GPH (15 l/h) in 1/2" meter to 3000 GPM (12000 l/m) in 8" flow meter
Gas flow ranges from 40 SCFH (1 Nm³/h) in 1/2" meter to 20,000 SCFM (600 Nm³/m) in 8" flow meter

Applications

The RCM Flo-Gage™ flow meter has been developed for industrial and commercial applications where durability and reliability are important considerations in the monitoring of flow. The Flo-Gage™ has accuracy for most industrial processes and is particularly suited for applications where compactness, low cost, minimal maintenance and resistance to accidental damage are important factors.

Typical applications include: lube oil monitoring, blending processes, cooling water, reverse osmosis systems, and compressed air measurement.

Transmitter Option W, X, Y, Z W2, W3

(4-wire) (2-wire)

Table of Options

Accuracy
Horizontal	± 3% F.S.	± 3% F.S.
Vertical	± 5% F.S.	± 5% F.S.
Minimum Flow Rate	30% F.S.	15% F.S.
Ambient Temp Limit	120 °F, 50 °C	120 °F, 50 °C
Current Output	4-20mA	4-20mA
Ohms max.	800	650 (RW3 350)
Contact Rating (Hi/Lo)	3.0 amp @ 24V
	1.0 amp @ 117V
	0.5 amp @ 230V
Frequency Output	0-1000 Hz F.S.
	5V Peak
	270 ms on time
Electrical Rating	General Purpose
Power Input	100mA	25mA
Optional - PS-24	24Vdc	24Vdc

Reed Switches (Option 1S2 or 2S2)

			TRANSMITTERS
A	Viton Seals	W	4-20mA DC 4-Wire Transmitter
B	EPR Seals	W2	4-20mA DC 2-Wire Transmitter
B2	Teflon Seals	W3	4-20mA DC 2-Wire Transmitter (Output Only)
C	Calibrated for Specific Gravity (customer specified)	RW3	Digital Display Readout (Rate and Total)
D	Gasketed Case	X	Hi / Lo Alarm Relays
D2	Gasketed Case with Condulet	Y	0 - 1000 Hz Frequency Transmitter
E	Non-Standard Flow Rate	Z	Combination of W, X, Y
ES	Low Flow Rate (below 2 GPM)
F	Aluminum Housing with Plastic Dial Crystal		REED SWITCHES
F2	Aluminum Housing with Glass Dial Crystal	-1S2	1 Single Pole Double Throw Reed Switch
G	Custom Scales and Dials	-2S2	2 Single Pole Double Throw Reed Switches
H	High Pressure Service (400psig max)	-LED	Light Emitting Diode Coming Soon!
I	Compressed Gas Service
J	Peak Flow Indicator		APPROVALS
K	Saturated Steam Service	-EM	Electromagnetic Compatibility 89/336/EEC
N	Ammonia Service	-IS	Intrinsic Safety 94/9/EC
P	Panel Mount
R2	Remote Readout, Bronze		ACCESSORIES
R3	Remote Readout, 316 SS	DR-1	Remote Digital Display (requires transmitter)
T	Expanded Temperature Range (350 °F max)	PS-24	Power Supply, 24Vdc Out, 115Vac In, 100mA
V	High Viscosity Service (5 - 500 cps - specify)	KT-1	Fittings for Connecting Remote Readout, R2, Brass
		KT-3	Fittings for Connecting Remote Readout, R3, SST

Switches are field adjustable from 30% and 90% of full scale or can be factory set to customer requirements.

Setability ± 5% F.S.

Repeatability ± 1% F.S.

Hysteresis 7 to 13% F.S.

Contact Rating 10 watts

Voltage 175Vdc - max

125Vac - max

Current 350mA max switching

1.0 amp max carry

Size		Full Scale Flow Range
	Liquid	Gas (option I)	Steam

Standard Flow Rates & Body Sizes

Series 7000 (threaded) and 8000 (wafer)

in	mm	GPM	l/m	SCFM	Nm³/h	#/h
1/4	08	2	8	10	15	40
		3	15	20	30	60
		4	25	30	50	80

1/2	15	2	8	10	15	40
		3	10	20	30	60
		4	15	30	50	80
		6	25	40	80	120
		10	40	60	100	200

3/4	20	6	25	60	100	120
		10	40	100	150	200
		15	60	150	200	300
		20	80	200	300	400

1	25	15	60	150	250	300
		20	80	200	400	400
		30	120	300	500	600
		40	150	400	600	800

1 1/2	40	30	120	300	500	600
		40	150	400	600	800
		60	240	600	1000	1000
		100	400	800	1200	2000

2	50	40	150	400	600	800
		60	240	600	1000	1000
		100	400	800	1200	2000
		150	600	1000	1500	3000
		200	800	1200	2000	4000

3	80	200	800	1000	1500	4000
		300	1000	2000	3000	6000
		400	1500	3000	5000	8000
		500	2000	4000	6000	10000

Optional Low Flow Range (option ES)

Size		Full Scale Flow Range
	Liquid	Gas (option I)	Steam

in	mm	GPH	l/h	cc/m	SCFH	Nm³/h	#/h
1/2	15	4	15	200	40	1	2
		6	20	300	60	2	3
		10	40	400	100	3	4
		15	60	600	150	4	6
		20	80	1000	200	6	8
		30	120	2000	300	8	10
		40	150	3000	400	10	15
		60	240	4000
		100	400	6000

Series 8000 only (wafer)

Size		Full Scale Flow Range
	Liquid	Gas (option I)	Steam

in	mm	GPM	l/m	SCFM	Nm³/h	#/h
2 1/2	65	60	240	600	1000	1000
		100	400	800	1200	2000
		150	600	1000	1500	3000
		200	800	1200	2000	4000

in	mm	GPM	l/m	SCFM	Nm³/m	#/h
4	100	300	1000	1500	50	6000
		400	1500	3000	100	8000
		600	2400	5000	150	10000
		800	3000	6000	200	15000

5	125	300	1000	1500	50	6000
		400	1500	3000	100	8000
		600	2400	5000	150	10000
		800	3000	6000	200	15000

6	150	600	2400	3000	100	10000
		800	3000	5000	150	15000
		1000	4000	8000	250	20000
		2000	8000	15000	400	40000

8	200	600	2400	5000	150	10000
		1000	4000	8000	250	20000
		2000	8000	15000	400	40000
		3000	12000	20000	600	60000

Pressure Drop Characteristics

Curve B - monel, SS, Inconel bellows

Series 7000 Flo-Gage

in	mm	in	mm	in	mm
1/4	08	5.95	3.06	n/a	n/a
1/2	15	5.95	3.06	6.62	168
3/4	20	5.95	3.06	7.06	179

1	25	6.07	154	7.25	184
1 1/2	40	6.39	162	7.81	198
2	50	6.80	172	8.00	203

2 1/2	65	n/a	n/a	8.54	217
3	80	7.48	190	8.87	225
4	100	n/a	n/a	9.95	252

5	125	n/a	n/a	10.36	263
6	150	n/a	n/a	11.05	280
8	200	n/a	n/a	12.30	311

Selecting Flow Meters for Liquid Service

The Flo-Gage™ can be used to meter flow rates of a wide variety of liquids including water, fuel oil (#2 through #6), lubricant, solvents and many chemical compounds.

For best accuracy, select a flow rate which will permit normal operation in the upper half of the flow meter scale.

To choose the proper meter, select pipe size and full scale flow rate from the chart of "Standard Flow Rate" and "Body Sizes".

Selecting Flow Meters for Compressed Gas Service

The Flo-gage™ can be used to measure flow rate of various gases such as air, nitrogen, oxygen, carbon dioxide, hydrogen, propane, methane (natural gas), argon, helium, sulfur dioxide, etc.

To insure satisfactory operation, pressure should be not less than 10 psig at the flow meter inlet.

Minimum Flow Rates

The minimum flow rate which can be read is approximately 15% of full scale flow rate for all flow meters.

Installation Guidelines

Provide 10 pipe diameters of straight run in front of the flow meter. Install control valves or solenoid valves downstream of the flow meter if possible.

Services Not Recommended

Flow meter not recommended for the following kinds of service:

Resins, paints or monomers which can form solid deposits in the piping system
Super-solvents which attack most available elastomers
Sulfuric acid in any concentration
Foams which tend to have inconsistent densities
Toxic substances requiring hermetically sealed enclosures
Fluids with viscosity above 500 centipoise
Pumping systems using piston pumps which produce non-steady flow conditions
Gravity fed systems having less head than the pressure loss across the flow meter at normal operating conditions

Dimensions

Nominal	*Series 7000*	*Series 8000*
Size	A	A

Note: Dimensions are based on bronze meter.

Series 8000 Flo-Gage

110 Mason Circle Suit D Concord, CA 94529-1238

PH: 925-687-8363 Toll Free: 888-flo-gage Fax: 925-671-9636

e-mail: sales@flo-gage.com http://www.flo-gage.com

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