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High-Accuracy Metering Pumps for Chemicals
These pumps meter a consistent amount of liquid within ±2% of the maximum flow. Often used to pump water-treatment chemicals, cleaning fluids, and electropolishing solutions, they have an adjustment dial that alters flow rate in 2% increments of the maximum flow. Pumps are self-priming and create suction to draw liquid upward. They can run dry but are not for use with solids.
Repair kits include a pump head assembly, a diaphragm, valves, and seals.
Pumps | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Tube | O'all | Repair Kits | |||||||||||||
| Flow Rate, gal./day | Max. Pressure, psi | Max. Viscosity, cP | Temp. Range, °F | Horsepower | Current, A  | ID | OD | Lg. | Wd. | Ht. | Features | Each | Each | ||
120V AC, Single Phase | |||||||||||||||
Plug | |||||||||||||||
| 0.03-3 | 300 | 1,000 | 35° to 150° | 11/64 hp | 1 | 1/4" | 3/8" | 10 7/8" | 5 1/2" | 10 3/8" | Backflow-Prevention Valve, Bleed Valve, Foot Valve/Strainer | 00000000 | 0000000 | 00000000 | 0000000 |
| 0.05-5 | 250 | 1,000 | 35° to 150° | 11/64 hp | 1 | 1/4" | 3/8" | 10 7/8" | 5 1/2" | 10 3/8" | Backflow-Prevention Valve, Bleed Valve, Foot Valve/Strainer | 00000000 | 000000 | 00000000 | 000000 |
| 0.12-12 | 250 | 1,000 | 35° to 150° | 11/64 hp | 1 | 1/4" | 3/8" | 11 1/4" | 5 1/2" | 10 5/8" | Backflow-Prevention Valve, Bleed Valve, Foot Valve/Strainer | 00000000 | 000000 | 00000000 | 000000 |
| 0.22-22 | 150 | 1,000 | 35° to 150° | 11/64 hp | 1 | 1/4" | 3/8" | 11 1/4" | 5 1/2" | 10 5/8" | Backflow-Prevention Valve, Bleed Valve, Foot Valve/Strainer | 00000000 | 000000 | 00000000 | 000000 |
| 0.24-24 | 100 | 1,000 | 35° to 150° | 11/64 hp | 1 | 1/4" | 3/8" | 10 3/4" | 5 1/2" | 10 5/8" | Backflow-Prevention Valve, Bleed Valve, Foot Valve/Strainer | 00000000 | 000000 | 00000000 | 000000 |
| 0.42-42 | 150 | 1,000 | 35° to 150° | 11/64 hp | 1 | 1/4" | 3/8" | 11 3/4" | 5 1/2" | 10 5/8" | Backflow-Prevention Valve, Bleed Valve, Foot Valve/Strainer | 00000000 | 00000000 | 00000000 | 000000 |
| 0.44-44 | 100 | 1,000 | 35° to 150° | 11/64 hp | 1 | 1/4" | 3/8" | 11 1/4" | 5 1/2" | 10 5/8" | Backflow-Prevention Valve, Bleed Valve, Foot Valve/Strainer | 00000000 | 000000 | 00000000 | 000000 |
| 0.94-94 | 100 | 1,000 | 35° to 150° | 11/64 hp | 1 | 3/8" | 1/2" | 11 3/4" | 5 1/2" | 11" | Backflow-Prevention Valve, Bleed Valve, Foot Valve/Strainer | 00000000 | 00000000 | 00000000 | 000000 |
| 1.2-120 | 100 | 1,000 | 35° to 150° | 11/64 hp | 1 | 3/8" | 1/2" | 12" | 6 1/4" | 11 3/8" | Backflow-Prevention Valve, Bleed Valve, Foot Valve/Strainer | 00000000 | 00000000 | 00000000 | 000000 |
| 1.92-192 | 50 | 1,000 | 35° to 150° | 11/64 hp | 1 | 3/8" | 1/2" | 11 1/4" | 6 1/8" | 11 3/4" | Backflow-Prevention Valve, Bleed Valve, Foot Valve/Strainer | 00000000 | 00000000 | 00000000 | 000000 |
| 2.4-240 | 35 | 1,000 | 35° to 150° | 11/64 hp | 1 | 3/8" | 1/2" | 12" | 6 1/8" | 11 3/4" | Backflow-Prevention Valve, Bleed Valve, Foot Valve/Strainer | 00000000 | 00000000 | 00000000 | 000000 |
| 6-600 | 30 | 1,000 | 35° to 150° | 11/64 hp | 1 | 1/2" | 3/4" | 11 3/8" | 6 1/8" | 11" | Backflow-Prevention Valve, Foot Valve/Strainer | 00000000 | 00000000 | 00000000 | 000000 |
| Replacement Foot Valve/Strainer for 1/2" Tube ID | 00000000 | Each | 000000 |
| Replacement Suction Valve for 1/2" Tube ID | 00000000 | Each | 000000 |
| Replacement Discharge Valve for 1/2" Tube ID | 00000000 | Each | 000000 |
| Replacement Discharge Valve for 82695K52, 82695K53, and 82695K54 | 00000000 | Each | 00000 |
| Replacement Foot Valve/Strainer for 1/4" Tube ID | 00000000 | Each | 00000 |
| Replacement Bleed Valve for 82695K93, 82695K45, 82695K52, 82695K53, and 82695K54 | 00000000 | Each | 00000 |
| Replacement Suction Valve for 82695K52, 82695K53, and 82695K54 | 00000000 | Each | 00000 |
| Replacement Suction Valve for 3/8" Tube ID | 00000000 | Each | 00000 |
| Replacement Foot Valve/Strainer for 3/8" Tube ID | 00000000 | Each | 00000 |
| Replacement Bleed Valve for 82695K57, 82965K58, 82695K59, and 82695K61 | 00000000 | Each | 00000 |
| Replacement Discharge Valve for 3/8" Tube ID | 00000000 | Each | 00000 |
| Replacement Suction Valve for 82695K93 and 82695K45 | 00000000 | Each | 00000 |
| Replacement Discharge Valve for 82695K93 and 82695K45 | 00000000 | Each | 00000 |
Remote-Adjustment High-Accuracy Metering Pumps for Chemicals
Automatically control output from a distance using 4-20 mA or external-pulse signals. View the flow rate on the backlit LCD. These pumps meter a consistent amount of liquid within ±2% of the maximum flow. Often used to pump water-treatment chemicals, cleaning fluids, and electropolishing solutions, they have an adjustment dial that alters flow rate in 2% increments of the maximum flow. Pumps can run dry. Do not use with solids.
Repair kits include a pump head assembly, a diaphragm, valves, and seals.
Pumps | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Tube | Overall | Repair Kits | ||||||||||||
| Flow Rate, gal./day | Max. Pressure, psi | Max. Viscosity, cP | Temp. Range, °F | Horsepower | Current, A | ID | OD | Lg. | Wd. | Ht. | Each | Each | ||
120V AC, Single Phase | ||||||||||||||
Plug | ||||||||||||||
| 0.005-5 | 250 | 1,000 | 35° to 150° | 11/64 hp | 1 | 1/4" | 3/8" | 10 7/8" | 5 3/8" | 10 3/8" | 00000000 | 000000000 | 00000000 | 0000000 |
| 0.012-12 | 100 | 1,000 | 35° to 150° | 11/64 hp | 1 | 1/4" | 3/8" | 10 3/4" | 5 3/8" | 10 5/8" | 00000000 | 00000000 | 00000000 | 000000 |
| 0.044-44 | 100 | 1,000 | 35° to 150° | 11/64 hp | 1 | 1/4" | 3/8" | 11 1/4" | 5 3/8" | 10 5/8" | 00000000 | 00000000 | 00000000 | 000000 |
| 0.094-94 | 100 | 1,000 | 35° to 150° | 11/64 hp | 1 | 3/8" | 1/2" | 11 1/4" | 6 1/4" | 11 1/4" | 00000000 | 00000000 | 00000000 | 000000 |
| 0.24-240 | 35 | 1,000 | 35° to 150° | 11/64 hp | 1 | 3/8" | 1/2" | 11 1/4" | 6 1/8" | 11 3/4" | 00000000 | 00000000 | 00000000 | 000000 |
Fixed-Flow-Rate Metering Pumps for Chemicals
Also known as peristaltic pumps and tubing pumps, these maintain a fixed flow rate. Pumps are self-priming, which means they create a suction force to draw liquid upward and fill the pump chamber. Mount them up to 25 feet above your liquid source. All can run dry. Do not use with solids.
Pumps with Viton® fluoroelastomer tubing withstand oil such as gasoline and hydraulic oil.
Overall | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Flow Rate, gal./day (For Tube ID) | Max. Pressure, psi | Max. Viscosity, cP | Temp. Range, °F | Horsepower | Current, A | Lg. | Wd. | Ht. | Includes | Each | |
115V AC,Single Phase—Plug | |||||||||||
PVDF Plastic and Viton® Fluoroelastomer Rubber Wetted Parts Material | |||||||||||
| 0.02 (1/32") 0.07 (1/16") 0.25 (1/8") | 30 | 800 | 32° to 122° | Subfractional | 0.03 | 5 1/2" | 3 1/4" | 3 3/4" | 4 1/2" Lg. of 1/32" ID Viton® Fluoroelastomer Tubing (Shore A60), 4 1/2" Lg. of 1/16" ID Viton® Fluoroelastomer Tubing (Shore A60), 4 1/2" Lg. of 1/8" ID Viton® Fluoroelastomer Tubing (Shore A60) | 000000000 | 0000000 |
| 0.11 (1/32") 0.34 (1/16") 1.25 (1/8") | 30 | 800 | 32° to 122° | Subfractional | 0.03 | 5 1/2" | 3 1/4" | 3 3/4" | 4 1/2" Lg. of 1/32" ID Viton® Fluoroelastomer Tubing (Shore A60), 4 1/2" Lg. of 1/16" ID Viton® Fluoroelastomer Tubing (Shore A60), 4 1/2" Lg. of 1/8" ID Viton® Fluoroelastomer Tubing (Shore A60) | 000000000 | 000000 |
| 0.87 (1/16") 3.53 (1/8") 6.84 (3/16") | 30 | 800 | 32° to 122° | Subfractional | 0.03 | 5 1/2" | 3 1/4" | 3 3/4" | 6" Lg. of 1/16" ID Viton® Fluoroelastomer Tubing (Shore A60), 6" Lg. of 1/8" ID Viton® Fluoroelastomer Tubing (Shore A60), 6" Lg. of 3/16" ID Viton® Fluoroelastomer Tubing (Shore A60) | 000000000 | 000000 |
| 1.75 (1/16") 7.07 1/8") 13.68 (3/16") | 30 | 800 | 32° to 122° | Subfractional | 0.03 | 5 1/2" | 3 1/4" | 3 3/4" | 6" Lg. of 1/16" ID Viton® Fluoroelastomer Tubing (Shore A60), 6" Lg. of 1/8" ID Viton® Fluoroelastomer Tubing (Shore A60), 6" Lg. of 3/16" ID Viton® Fluoroelastomer Tubing (Shore A60) | 000000000 | 000000 |
| 22.80 (3/16") 38.00 (1/4") | 15 | 500 | 32° to 122° | Subfractional | 0.52 | 5" | 5" | 7" | 6" Lg. of 3/16" ID Viton® Fluoroelastomer Tubing (Shore A60), 6" Lg. of 1/4" ID Viton® Fluoroelastomer Tubing (Shore A60) | 000000000 | 000000 |
| 45.6 (3/16") 76.00 (1/4") | 15 | 200 | 32° to 122° | Subfractional | 0.65 | 5" | 5" | 7" | 6" Lg. of 3/16" ID Viton® Fluoroelastomer Tubing (Shore A60), 6" Lg. of 1/4" ID Viton® Fluoroelastomer Tubing (Shore A60) | 000000000 | 000000 |
| 228.00 (3/16") 380.00 (1/4") | 15 | 50 | 32° to 122° | Subfractional | 1.74 | 5" | 5" | 7" | 6" Lg. of 3/16" ID Viton® Fluoroelastomer Tubing (Shore A60), 6" Lg. of 1/4" ID Viton® Fluoroelastomer Tubing (Shore A60) | 000000000 | 000000 |
High-Flow Metering Pumps for Chemicals
For high-volume chemical sampling and draining, these pumps have a powerful motor that enables them to move 2,592 gallons of liquid per day. They're commonly used with ammonia, acid-washing solutions, and cleaning fluids. Motor is open dripproof (ODP) for use in clean, dry, and well-ventilated environments. Pumps are self-priming and create a suction force to draw liquid upward. Mount up to 15 feet above your liquid source. They can run dry. Do not use with solids.
Intake | Discharge | Overall | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Flow Rate, gal./day | Max. Pressure, psi | Max. Viscosity, cP | Temp. Range, °F | Horsepower | Current, A | For Tube ID | Tube Connection Type | For Tube ID | Tube Connection Type | Lg. | Wd. | Ht. | Includes | Each | |
120V AC, Single Phase | |||||||||||||||
Plug | |||||||||||||||
| 2,592 | 20 | 1,000 | 35° to 160° | 1/4 hp | 3.1 | 1/2" | Barbed | 1/2" | Barbed | 10" | 5 1/2" | 10" | 10 5/8" Lg. of 1/2" ID Tygon Tubing (Shore A61) | 0000000 | 0000000 |
Miniature Metering Pumps for Chemicals
With a footprint that's only a few inches in any direction, these pumps fit into compact systems to dispense small amounts of acids, cleaning fluids, and other chemicals. They're often used in sterilization, photochemical, and water treatment systems. Choose from pumps with either a 4-20mA or 1-5V DC input signal that controls the flow rate.
Note: Pumps must be filled with liquid before use. They need a constant flow of liquid and cannot run dry.
External | Overall | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Flow Rate, gal./day | Max. Pressure, psi | Max. Viscosity, cP | Temp. Range, °F | Current, A | Signal | Voltage | For Intake Tube ID | For Discharge Tube ID | For Tube OD | Lg. | Wd. | Ht. | Each | |
12V DC—With Thermal Overload Protection | ||||||||||||||
Hardwire | ||||||||||||||
| 14 | 29 | 6 | 30° to 100° | 1.5 | __ | 1-5V DC | 1/8" | 1/8" | 1/4" | 4" | 2 1/2" | 3 5/8" | 000000 | 0000000 |
| 14 | 29 | 6 | 30° to 100° | 1.5 | 4-20mA | __ | 1/8" | 1/8" | 1/4" | 4" | 2 1/2" | 3 5/8" | 000000 | 000000 |
24V DC—With Thermal Overload Protection | ||||||||||||||
Hardwire | ||||||||||||||
| 14 | 29 | 6 | 30° to 100° | 1 | __ | 1-5V DC | 1/8" | 1/8" | 1/4" | 4" | 2 1/2" | 3 5/8" | 000000 | 000000 |
| 14 | 29 | 6 | 30° to 100° | 1 | 4-20mA | __ | 1/8" | 1/8" | 1/4" | 4" | 2 1/2" | 3 5/8" | 000000 | 000000 |
Metering Pumps for Coolants and Oils
Use these pumps for high-pressure output of antifreeze, hydraulic oil, and motor oil. They have an internal relief valve to prevent pressure buildup. The adjustment dial alters flow rate in 1% increments of the maximum flow. Pumps have a totally enclosed fan-cooled (TEFC) motor for use in dusty, dirty, and damp environments. Do not run dry or use with solids.
Intake | Discharge | Overall | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Flow Rate, gal./day | Max. Pressure, psi | Max. Viscosity, cP | Temp. Range, °F | Horsepower | Current, A | Pipe Size | Thread Type | Gender | Pipe Size | Thread Type | Gender | Lg. | Wd. | Ht. | Each | |
120V AC, Single Phase—With Thermal Overload Protection | ||||||||||||||||
Plug | ||||||||||||||||
| 4.8-48 | 700 | 1,500 | 40° to 200° | 1/3 hp | 5.9 | 3/8 | NPT | Male | 3/8 | NPT | Male | 14 3/4" | 5 1/2" | 15 1/2" | 0000000 | 000000000 |
| 16.8-168 | 900 | 1,500 | 40° to 200° | 1/3 hp | 5.9 | 3/8 | NPT | Male | 3/8 | NPT | Male | 14 3/4" | 5 1/2" | 15 1/2" | 0000000 | 00000000 |
| 43.2-432 | 350 | 1,500 | 40° to 200° | 1/3 hp | 5.9 | 3/8 | NPT | Male | 3/8 | NPT | Male | 14 3/4" | 5 1/2" | 15 1/2" | 0000000 | 00000000 |
Calibration Columns
Calibrate the flow rate of metering pumps. A graduated scale with zero at the top lets you easily see how much fluid is lost over the course of a one-minute test. This will tell you your pump’s flow rate. Periodic testing helps alert you to issues in your system, such as worn or dirty valves. Checking the flow rate after performing maintenance ensures your pump is working properly.
Install the column between your reservoir and pump. They require shutoff access to your reservoir and an on/off valve (not included) at the point where they connect to your system. To start the test, open the on/off valve as the system is running to fill the column with fluid up to the zero mark. Shut off the valve and wait one minute before observing the liquid level in the column. After you've taken the reading, close the on/off valve to the column and reopen access to the reservoir.
Borosilicate glass calibration columns and their fittings stand up to sulfuric acid, hydrochloric acid, and other corrosive chemicals.
For technical drawings and 3-D models, click on a part number.
Volume | Graduations | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Pipe Connections | Ht. | Flow Rate Range, gph | gal. | ml | gph | ml/min | Temp. Range, °F | O-Ring Material | Mounting Orientation | For Use With | Each | |
Borosilicate Glass Body with PTFE Plastic Fittings | ||||||||||||
Gallons per Hour, Milliliters per Minute | ||||||||||||
| 1/2 NPT Female | 13" | 0 to 1.5 | 1.5 | 100 | 0.02 | 1 | 40° to 150° | Fluoroelastomer Rubber | Vertical | Water, Gasoline, Diesel Fuel, Kerosene, Ammonium Hydroxide, Bleach, Chlorine, Citric Acid, Deionized Water, Ethylene Glycol, Fuel Oil, Hydraulic Oil, Hydrochloric Acid, Isopropyl Alcohol, Methyl Chloride, Motor Oil, Nitric Acid, Paint, Phosphoric Acid, Salt Water, Soap Solutions, Sodium Hydroxide, Sulfuric Acid | 00000000 | 0000000 |
| 1/2 NPT Female | 16 1/2" | 0 to 4 | 4 | 250 | 0.05 | 2 | 40° to 150° | Fluoroelastomer Rubber | Vertical | Water, Gasoline, Diesel Fuel, Kerosene, Ammonium Hydroxide, Bleach, Chlorine, Citric Acid, Deionized Water, Ethylene Glycol, Fuel Oil, Hydraulic Oil, Hydrochloric Acid, Isopropyl Alcohol, Methyl Chloride, Motor Oil, Nitric Acid, Paint, Phosphoric Acid, Salt Water, Soap Solutions, Sodium Hydroxide, Sulfuric Acid | 00000000 | 000000 |
| 3/4 NPT Female | 18" | 0 to 8 | 8 | 500 | 0.05 | 5 | 40° to 150° | Fluoroelastomer Rubber | Vertical | Water, Gasoline, Diesel Fuel, Kerosene, Ammonium Hydroxide, Bleach, Chlorine, Citric Acid, Deionized Water, Ethylene Glycol, Fuel Oil, Hydraulic Oil, Hydrochloric Acid, Isopropyl Alcohol, Methyl Chloride, Motor Oil, Nitric Acid, Paint, Phosphoric Acid, Salt Water, Soap Solutions, Sodium Hydroxide, Sulfuric Acid | 00000000 | 000000 |
| 3/4 NPT Female | 29" | 0 to 16 | 16 | 1,000 | 0.125 | 5 | 40° to 150° | Fluoroelastomer Rubber | Vertical | Water, Gasoline, Diesel Fuel, Kerosene, Ammonium Hydroxide, Bleach, Chlorine, Citric Acid, Deionized Water, Ethylene Glycol, Fuel Oil, Hydraulic Oil, Hydrochloric Acid, Isopropyl Alcohol, Methyl Chloride, Motor Oil, Nitric Acid, Paint, Phosphoric Acid, Salt Water, Soap Solutions, Sodium Hydroxide, Sulfuric Acid | 00000000 | 000000 |
| 1 NPT Female | 24" | 0 to 32 | 32 | 2,000 | 0.25 | 10 | 40° to 150° | Fluoroelastomer Rubber | Vertical | Water, Gasoline, Diesel Fuel, Kerosene, Ammonium Hydroxide, Bleach, Chlorine, Citric Acid, Deionized Water, Ethylene Glycol, Fuel Oil, Hydraulic Oil, Hydrochloric Acid, Isopropyl Alcohol, Methyl Chloride, Motor Oil, Nitric Acid, Paint, Phosphoric Acid, Salt Water, Soap Solutions, Sodium Hydroxide, Sulfuric Acid | 00000000 | 00000000 |
| 1 NPT Female | 39" | 0 to 64 | 64 | 4,000 | 0.25 | 20 | 40° to 150° | Fluoroelastomer Rubber | Vertical | Water, Gasoline, Diesel Fuel, Kerosene, Ammonium Hydroxide, Bleach, Chlorine, Citric Acid, Deionized Water, Ethylene Glycol, Fuel Oil, Hydraulic Oil, Hydrochloric Acid, Isopropyl Alcohol, Methyl Chloride, Motor Oil, Nitric Acid, Paint, Phosphoric Acid, Salt Water, Soap Solutions, Sodium Hydroxide, Sulfuric Acid | 00000000 | 00000000 |