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Indicating Flow Meters

10 Products
Sight Flow Indicators, Brass/316 SS, Single/Double Windows, Rotating Impellers

Discover the Sight Flow Indicators series, featuring durable brass or 316 SS construction. Available in single or double windows with rotating impellers for versatile use.

Product Number Material Construction Option Process Connection Size
SFI-100-3/4
$256.85 / each
169  In Stock
Single Window, Impeller, Bronze Body
3/4 in
SFI-100-1
$309.15 / each
90  In Stock
Single Window, Impeller, Bronze Body
1 in
SFI-100-2
$539.55 / each
Available
in 4 weeks
Single Window, Impeller, Bronze Body
2 in
SFI-300-1
$340.15 / each
Available
in 4 weeks
Double Window, Impeller, Bronze Body
1 in
SFI-300-2
$768.80 / each
9  In Stock
Double Window, Impeller, Bronze Body
2 in
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Glass Sight Window, Steel Body, NPT 1/4-2 in, for Tanks & Vessels

Sight Window has fused glass style sight windows which feature glass to metal bond for reliability. Windows are clear and flush with front face.

Product Number Process Connection Size
SFI-550-2
$114.05 / each
6  In Stock
2 in
SFI-550-1
$48.85 / each
20  In Stock
1 in
SFI-550-1/2
$32.45 / each
Available
in 4 weeks
1/2 in
SFI-550-1/4
$24.45 / each
Available
in 5 weeks
1/4 in
SFI-550-3/4
$37.95 / each
Available
in 4 weeks
3/4 in
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Rugged Flow Indicator & Transmitter, Hall Effect Output, Series SFI-800

The SFI-800 Series Rugged Flow Indicators & Transmitters offer durable, clear plastic construction for easy flow visibility and versatile Hall Effect outputs for monitoring.

Product Number Output Signal Port 1 Size Proof Pressure Volumetric Flow Rate, Max
SFI-800-3/4
$126.10 / each
9  In Stock
N/A
3/4 in
Up to 150 psi
35 GPM
SFI-800-1/2
$126.10 / each
Available
in 3 weeks
N/A
1/2 in
Up to 150 psi
20 GPM
SFI-801-1/2
$126.10 / each
Available
in 3 weeks
N/A
1/2 in
Up to 125 psi
20 GPM
SFI-801-3/4
$126.10 / each
5  In Stock
N/A
3/4 in
Up to 125 psi
35 GPM
SFI-800-1/2-A711
$290.75 / each
Available
in 3 weeks
DC Pulse
1/2 in
Up to 150 psi
20 GPM
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SFI-700 Visual Flow Indicators, Brass/316 SS, Red Impeller, Easy Maintenance

MIDWEST Sight Flow Indicator offer threaded process connections. Maintenance is simple with internal wipers. Economical.

Product Number Material Construction Option Process Connection Size
SFI-700SS-1/2
$1,049.25 / each
Available
in 4 weeks
316 Stainless Steel Body
1/2 in
SFI-700-1
$879.75 / each
Available
in 4 weeks
Brass Body
1 in
SFI-700-1/2
$675.45 / each
9  In Stock
Brass Body
1/2 in
SFI-700-1/4
$553.35 / each
Available
in 4 weeks
Brass Body
1/4 in
SFI-700-3/4
$823.70 / each
2  In Stock
Brass Body
3/4 in
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SFI-400 Premium Sight Flow Indicators, Threaded/Flanged, Cast Iron/SS

The MIDWEST Sight Flow Indicator has a glass tube for clear flow visibility and is made from quality materials, ensuring reliable, long-lasting service at affordable prices.

Product Number Material Construction Option Process Connection Size Process Connection Type
SFI-400F-1
$939.50 / each
Available
in 5 weeks
316 Stainless Steel
1 in
ANSI Flange
SFI-400F-2
$1,461.50 / each
Available
in 5 weeks
316 Stainless Steel
2 in
ANSI Flange
SFI-400F-3
$2,195.55 / each
Available
in 4 weeks
316 Stainless Steel
3 in
ANSI Flange
SFI-400F-4
$3,174.95 / each
Available
in 4 weeks
316 Stainless Steel
4 in
ANSI Flange
SFI-400CI-1
$565.70 / each
Available
in 5 weeks
Cast Iron
1 in
NPT Female
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Brass Body Tempered Glass Sight Window for Tank Level Observation

Sight Window has a tough tempered glass window that resists chemical attacks and abrasions. Applications include pressure vessels, coolant tanks, and oil reservoirs.

Product Number Material Construction Option Process Connection Size
SFI-500B-1
$129.55 / each
Available
in 4 weeks
Brass
1 in
SFI-500B-2
$206.85 / each
Available
in 4 weeks
Brass
2 in
SFI-500CS-1
$159.75 / each
Available
in 5 weeks
Carbon Steel
1 in
SFI-500CS-2
$258.00 / each
Available
in 5 weeks
Carbon Steel
2 in
SFI-500SS-1
$312.90 / each
Available
in 4 weeks
316 Stainless Steel
1 in
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Sight Flow Transmitter, 4-20 mA Output, 316 SS/Polycarbonate Cover

The Series SF Sight Flow Transmitter features a durable 316 SS or clear polycarbonate cover, providing accurate flow measurement with a 4-20 mA output for various applications.

Product Number Proof Pressure
SF10
$1,150.30 / each
2  In Stock
N/A
SF11
$1,150.30 / each
Available
in 5 weeks
Up to 200 psi
RTI2 Flow Rate & Total Indicator – Displays flow, generates outputs

Rate/Total Indicator takes the pulse output signal from compatible flowmeters and displays flow rate and total, and provides output signals

Product Number Mounting Orientation
RTI2-M
$1,265.40 / each
Available
in 5 weeks
Meter Mounted
RTI2-P
$1,257.80 / each
Available
in 5 weeks
Panel Mount
RTI2-W
$1,265.40 / each
1  In Stock
Wall Mount
SFI-100T Sight Flow Indicator & Transmitter for HVAC & Chillers

The SFI-100T Sight Flow Indicator & Transmitter features a durable brass body and a clear glass window for easy flow monitoring in HVAC and chiller systems.

Product Number Volumetric Flow Rate, Max
SFI-100T-1/2-A711T
$522.35 / each
Available
in 3 weeks
20 GPM
SFI-100T-3/4-A711T
$522.35 / each
3  In Stock
35 GPM
SFI-300F: 300°F Sight Flow Indicators, ANSI Flange, Dual Windows, SS/CS Body

MIDWEST Sight Flow Indicator has a double window with no moving indicator and the window is removable for easy service and replacement.

Product Number Material Construction Option Process Connection Size
SFI-350FSS-1-1/2
$2,276.60 / each
Available
in 4 weeks
No Moving 316 Stainless Steel Flapper
1 1/2 in
SFI-350FCS-2
$1,380.80 / each
Available
in 4 weeks
No Moving Indicator
2 in
SFI-350FCS-3
$2,165.70 / each
Available
in 11 weeks
No Moving Indicator
3 in
SFI-350FCS-4
$3,239.60 / each
Available
in 15 weeks
No Moving Indicator
4 in
SFI-350FCS-6
$5,557.30 / each
Available
in 5 weeks
No Moving Indicator
6 in
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Indicating Flow Meters

Indicating Flow Meters support flow measurement, switching, control, or ins...

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