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GPI® The Proven Choice® - Super Savings! Save up to 33%


Super Savings! Up to 33% off on GPI® The Proven Choice® products at Graph Barometer. Hurry! Limited time offers. Offers valid only while supplies last.



GPI A109GMA200NA2 Aluminum A1 Flowmeter, 2'' NPT Fittings
GPI A109GMA200NA2 Aluminum A1 Flowmeter, 2" NPT Fittings
In Stock
$1,100.80

mpn: A109GMA200NA2,

The GPI model A109GMA200NA2 is a 2" Aluminum A1 Flowmeter. This 2" aluminum flowmeter comes with NPT fittings and electronic digital LCD that reads in gallons. This flowmeter is great for use with petroleum based products.Flow Range: 30 to 300 GPM, 1...


GPI 113255-2 01A31LM Aluminum Fuel Meter, NPT Fittings, 1''
GPI 113255-2 01A31LM Aluminum Fuel Meter, NPT Fittings, 1"
In Stock
$243.99
$186.00
You Save: 24%

mpn: 113255-2,

4.9 out of 5 stars with 40 reviews
The GPI model 113255-2 is an Aluminum Fuel Meter 01A31LM, that is 1" in diameter with NPT Fittings. Compact and lightweight, this meter is designed for use on a hose. 10 to 100 LPM, NPT thread, and two totals (accumulative and batch). To use with: Bi...


GPI 113900-9502, 03A32GM Aluminum Turbine Fuel Meter, 2-Inch FNPT, 30-300 GPM
GPI 113900-9502, 03A32GM Aluminum Turbine Fuel Meter, 2-Inch FNPT, 30-300 GPM
In Stock
$935.00
$872.00
You Save: 7%

mpn: 03A32GM,

4.7 out of 5 stars with 52 reviews
The GPI 03A32GM aluminum turbine fuel flowmeter features a 2-inch FNPT inlet/outlet and is accurate to +/-1.5 percent of reading for flow rates from 30-300 GPM (114-1,135 LPM). The light-weight aluminum housing is compatible with diesel, gasoline and...


GPI A109GMN100NA1 Nylon A1 Flowmeter, 1'' NPT Fittings
GPI A109GMN100NA1 Nylon A1 Flowmeter, 1" NPT Fittings
In Stock
$554.88
$544.00
You Save: 2%

mpn: A109GMN100NA1,

The GPI model A109GMN100NA1 is a 1" Nylon A1 Flowmeter. This 1" nylon flowmeter with NPT fittings and electronic digital LCD that reads in gallons. This flowmeter can be installed on your water hose.Flow Range: 3 to 50 GPM, 11 to 190 LPM. Frequency: ...


GPI TM300-N-GX TM Series Water Meter, NPT (Female) Fittings, 4-20 mA Output with Display, 3''
GPI TM300-N-GX TM Series Water Meter, NPT (Female) Fittings, 4-20 mA Output with Display, 3"
In Stock
$1,193.37
$1,153.23
You Save: 3%

mpn: TM300-N-GX,

4.5 out of 5 stars with 43 reviews
The GPI model TM300-N-GX is a TM Series Water Meter. This 3" PVC water meter with NPT fittings and 4-20mA output with display that reads Gallons and Liters. Use with water and mild chemicals. Pressure Rating 225 PSIG.Design Type: Turbine. Fitting: Sc...


GPI TM300-F-GX TM Series Water Meter, 150# ANSI Fittings, 4-20 mA Output with Display, 3''
GPI TM300-F-GX TM Series Water Meter, 150# ANSI Fittings, 4-20 mA Output with Display, 3"
In Stock
$1,214.56
$1,198.93
You Save: 1%

mpn: TM300-F-GX,

The GPI model TM300-F-GX is a TM Series Water Meter. This 3" PVC water meter with 150# ANSI Flange fittings and 4-20mA output with display that reads Gallons and Liters. Use with water and mild chemicals. Pressure Rating 225 PSIG.Design Type: Turbine...


GPI TM300-F-GG TM Series Water Meter, 150# ANSI Flange, Pulse Output with Display, 3''
GPI TM300-F-GG TM Series Water Meter, 150# ANSI Flange, Pulse Output with Display, 3"
In Stock
$1,172.53
$1,148.49
You Save: 2%

mpn: TM300-F-GG,

The GPI model TM300-F-GG is a TM Series 3" Water Meter. This 3" PVC water meter with 150# ANSI Flange fittings and pulse output with display that reads Gallons and Liters. Use with water and mild chemicals.Design Type: Turbine. Fitting: Schedule 80 A...


GPI 111200-21, FM200-L6N Mechanical Disk Fuel Flowmeter 0.75-Inch FNPT, 15-76 LPM
GPI 111200-21, FM200-L6N Mechanical Disk Fuel Flowmeter 0.75-Inch FNPT, 15-76 LPM
In Stock
$210.00

mpn: FM-200-L6N,

The GPI FM-200-L6N mechanical fuel meter is constructed from rugged cast aluminum for use with flowrates from 15 to 76 LPM (4 to 20 GPM). The nutating disk design is accurate to +/-2 percent of reading. The FM-200-L6N is made to last and provides qui...


GPI 111200-13, FM200-L8N Mechanical Disk Fuel Flowmeter, 1-Inch FNPT, 15-75 LPM
GPI 111200-13, FM200-L8N Mechanical Disk Fuel Flowmeter, 1-Inch FNPT, 15-75 LPM
In Stock
$229.00

mpn: FM-200-L8N,

The GPI FM-200-L8N mechanical fuel meter is constructed from rugged cast aluminum for use with flowrates from 15 to 76 LPM (4 to 20 GPM). The nutating disk design is accurate to +/-2 percent of reading. The FM-200-L8N is made to last and provides qui...


GPI Electronic Water Meter - 1 1/2in., Model# TM150-N
GPI Electronic Water Meter - 1 1/2in., Model# TM150-N
In Stock
$460.00

mpn: TM150-N, ean: 0031401001556,

TM series water meters are an accurate and economical alternative to traditional water meters. The TM150-N has a 1.5-inch FNPT fitting and is accurate to +/-3 percent of reading for flow rates from 10 to 100 GPM. TM water meters offer both flow rate ...


GPI 120000-1, FM300H-G8N PBT Polyester Nutating Disk Chemical Meter, LCD Display, 1-Inch FNPT, 2-20 GPM, Gallons
GPI 120000-1, FM300H-G8N PBT Polyester Nutating Disk Chemical Meter, LCD Display, 1-Inch FNPT, 2-20 GPM, Gallons
In Stock
$293.00

mpn: FM-300H-G8N,

The GPI FM-300H-G8N Chemical Meter mounts easily on a hose end, pump or fluid transfer system to provide accurate readings to +/-2 percent (+/-0.5 percent in field calibration mode). Easy-to-read, 6-digit LCD display keeps batch and cumulative totals...


GPI 143620-01, CM-3120 Fuel Transfer Pump/Meter, 20 GPM, 115-VAC, Cabinet
GPI 143620-01, CM-3120 Fuel Transfer Pump/Meter, 20 GPM, 115-VAC, Cabinet
In Stock
$1,279.00
$850.54
You Save: 33%

mpn: CM-3120/MR530-G8N, ean: 0031401001426,

4.4 out of 5 stars with 19 reviews
The GPI CM-3120/MR530-G8N combines the M-3120, 115 VAC, heavy duty transfer pump with the ruggedly accurate MR530 mechanical fuel meter in a durable powder-coated, steel cabinet. The M-3120's 115-volt motor delivers flow rates up to 20 GPM (76 LPM). ...


GPI 126300-02, MR530-L6N Mechanical Disk Fuel Flowmeter .75-Inch FNPT Inlet/Outlet, 19-114 LPM, 4-Digit Batch Display, Non-Resettable Cumulative Total, +/-2 Percent Accuracy
GPI 126300-02, MR530-L6N Mechanical Disk Fuel Flowmeter .75-Inch FNPT Inlet/Outlet, 19-114 LPM, 4-Digit Batch Display, Non-Resettable Cumulative Total, +/-2 Percent Accuracy
In Stock
$211.00

mpn: MR5-30-L6N,

The GPI MR530-L6N mechanical fuel meter is designed for use with fuel transfer pumps and has 0.75-inch FNPT inlet/outlet fittings. This durable aluminum meter features a 4-digit batch display with turn knob reset, non-resettable cumulative total and ...


GPI 113255-2, 01A31LM Aluminum Turbine Fuel Flowmeter with Digital LCD Display, 10-100 LPM, 1-Inch FNPT Inlet/Outlet, 0.75-Inch Reducer Bushings
GPI 113255-2, 01A31LM Aluminum Turbine Fuel Flowmeter with Digital LCD Display, 10-100 LPM, 1-Inch FNPT Inlet/Outlet, 0.75-Inch Reducer Bushings
In Stock
$186.00

mpn: 01A31LM,

The GPI 01A31LM digital turbine flowmeter is made from durable cast aluminum and features an LCD display that is accurate to +/-5 percent of reading. This economical turbine meter is designed for flow rates from 10-100 LPM (3 to 30 GPM) and is factor...


GPI 133600-35, M-3120-AD/MR530-G8N, Pre-Assembled High Flow Cast Iron Fuel Transfer Pump with Meter, 20 GPM, 115-VAC, 4-Digit Batch Display, 1-Inch NPT X 18-Foot Fuel Hose, Automatic Diesel Nozzle
GPI 133600-35, M-3120-AD/MR530-G8N, Pre-Assembled High Flow Cast Iron Fuel Transfer Pump with Meter, 20 GPM, 115-VAC, 4-Digit Batch Display, 1-Inch NPT X 18-Foot Fuel Hose, Automatic Diesel Nozzle
In Stock
$1,058.00
$868.00
You Save: 18%

mpn: M-3120-AD/MR530-G8N, ean: 0031401001389,

4.7 out of 5 stars with 51 reviews
The GPI M-3120-AD/MR530-G8N combines the fuel dispensing power of the M-3120 heavy duty transfer pump with the accuracy of the MR530 mechanical fuel meter to create a ready to use fuel transfer system. The M-3120's 115-volt motor delivers flow rates ...


GPI 113900-9501, 03A31GM Aluminum Turbine Fuel Flowmeter, 1-Inch FNPT, 3-50 GPM
GPI 113900-9501, 03A31GM Aluminum Turbine Fuel Flowmeter, 1-Inch FNPT, 3-50 GPM
In Stock
$424.00
$287.40
You Save: 32%

mpn: 03A31GM,

4.6 out of 5 stars with 8 reviews
The GPI 03A31GM aluminum turbine fuel flowmeter features a 1-inch FNPT inlet/outlet and is accurate to +/-1.5 percent of reading for flow rates from 3-50 GPM (11-190 LPM). The light-weight aluminum housing is compatible with diesel, gasoline and kero...


GPI TM400-D-P TM Series Water Meter, DIN Flange, Open Collector Pulse Out Transmitter, 4''
GPI TM400-D-P TM Series Water Meter, DIN Flange, Open Collector Pulse Out Transmitter, 4"
In Stock
$424.06
$417.52
You Save: 2%

mpn: TM400-D-P,

The GPI model TM400-D-P is a TM Series 4" Water Meter. This 4" PVC water meter comes with NPT fittings and open collector pulse out transmitter. Use with water and mild chemicals. Pressure Rating 135 PSIG.Design Type: Turbine. Fitting: Schedule 80 DI...


FLOMEC TM075, PVC Turbine Flowmeter for Use with Water & Mild Chemicals, 0.75-Inch Spigot Fitting, 2-20 GPM, LCD Display, +/-3 Percent Accuracy, Durable Schedule 80 PVC
FLOMEC TM075, PVC Turbine Flowmeter for Use with Water & Mild Chemicals, 0.75-Inch Spigot Fitting, 2-20 GPM, LCD Display, +/-3 Percent Accuracy, Durable Schedule 80 PVC
In Stock
$410.00
$376.53
You Save: 8%

mpn: TM075,

4.4 out of 5 stars with 33 reviews
TM series water meters are an accurate and economical alternative to traditional water meters. The TM075 features a 0.5-inch spigot (pipe) end and is accurate to +/-3 percent of reading for flow rates from 2 to 20 GPM. TM water meters offer both flow...


GPI TM300-D-GA TM Series Water Meter, DIN Flange, 4-20 mA Output, No Display, 3''
GPI TM300-D-GA TM Series Water Meter, DIN Flange, 4-20 mA Output, No Display, 3"
In Stock
$894.02
$832.50
You Save: 7%

mpn: TM300-D-GA,

4.9 out of 5 stars with 39 reviews
The GPI model TM300-D-GA is a TM Series 3" Water Meter. This water meter comes with DIN Flange, and a 4-20 mA Output, No Display. Use with water and mild chemicals. Pressure Rating 150 PSIG.Design Type: Turbine. Fitting: Schedule 80 DIN Flange 3". Fl...


GPI TM400-GG TM Series Water Meter, Spigot (Pipe) End, Pulse Output with Display, 4''
GPI TM400-GG TM Series Water Meter, Spigot (Pipe) End, Pulse Output with Display, 4"
In Stock
$1,026.18

mpn: TM400-GG,

The GPI model TM400-GG is a TM Series 4" Water Meter. This 4" PVC water meter comes with spigot fittings and pulse output with display that reads Gallons and Liters. Use with water and mild chemicals.Design Type: Turbine. Fitting: Schedule 80 Spigot ...



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