Gear Pumps | McMaster-Carr

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For Use With

Ammonium Hydroxide

Ethylene Glycol

Hydraulic Fluid

Isopropyl Alcohol

Methyl Chloride

Nitric Acid (20% Concentration)

Nitric Acid (50% Concentration)

Sodium Hypochlorite (Bleach)

Maximum Flow Rate

Less than 5 gpm

5 gpm to 9.99 gpm

10 gpm to 19.99 gpm

20 gpm to 24.99 gpm

25 gpm or greater

Voltage

208V AC to 240V AC

Maximum Pressure

Less than 1,000 psi

1,000 psi to 1,999 psi

2,000 psi to 2,999 psi

3,000 psi to 3,999 psi

4,000 psi or greater

Power Source

Discharge Pipe Size

Shaft Diameter

Pump Type

Positive Displacement

Power

Maximum Flow Rate @ 25 psi

Maximum Temperature

Less than 150° F

150° F to 174° F

175° F to 199° F

200° F to 249° F

250° F or greater

Housing Material

Stainless Steel

Intake Pipe Size

Priming Type

Maximum Feet of Head

Less than 100 ft.

100 ft. to 249 ft.

250 ft. to 499 ft.

500 ft. to 999 ft.

1,000 ft. or greater

Fixed Displacement Rate

For Motor Power Source

Material

Stainless Steel

SAE Pump Flange Size

Flow Rate

Less than 5 gpm

5 gpm to 9.99 gpm

10 gpm to 19.99 gpm

20 gpm to 24.99 gpm

25 gpm or greater

REACH

DFARS Specialty Metals

RoHS

Compliant with Exemptions

Export Control Classification Number (ECCN)

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Pump Style

Constant Flow Rate

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98 Products

Gear Pumps

Hydraulic Gear Pumps

Hydraulic Gear Pumps

Combine with an electric motor to generate flow in a hydraulic system

Constant-Flow-Rate Gear Pumps for Water

Constant-Flow-Rate Gear Pumps for Water

Move liquid smoothly for everything from cooling engines to powering hydraulic equipment

Constant-Flow-Rate Gear Pumps without Motor for Water

Constant-Flow-Rate Gear Pumps without Motor for Water

Pair your own motor with the bronze housing and gears to move water smoothly

Constant-Flow-Rate Gear Pumps for Oil

Constant-Flow-Rate Gear Pumps for Oil

Smoothly move thick oils to lubricate equipment and create blends

Constant-Flow-Rate Gear Pumps without Motor for Oil

Constant-Flow-Rate Gear Pumps without Motor for Oil

Pair your own motor with the cast iron housing and steel gears to dispense oil and fuel

Constant-Flow-Rate Gear Pumps without Motor for Chemicals

Constant-Flow-Rate Gear Pumps without Motor for Chemicals

Pair your own motor with the stainless steel housing and PPS gears to dispense chemicals

Harsh-Environment Compact Constant-Flow-Rate Gear Pumps for Water and Oil

Harsh-Environment Compact Constant-Flow-Rate Gear Pumps for Water and Oil

Made to fit small equipment, with an aluminum enclosure to protect against dust and dirt

Compact Constant-Flow-Rate Gear Pumps for Water and Oil

Compact Constant-Flow-Rate Gear Pumps for Water and Oil

Miniature gears and a small horsepower motor, so they fit into small equipment

Other Products

Rotary Vane Pumps

Rotary Vane Pumps

Evenly move water or hydraulic fluids at high pressures in low-flow applications

Dewatering Pumps

Dewatering Pumps

Remove water or sewage water from jobsites and flooded areas without sump pits

Diaphragm Pumps

Diaphragm Pumps

Draw liquids in and push them out for spraying, draining, and washdowns

Centrifugal Pumps

Centrifugal Pumps

Force liquids through pipes or closed circuits for heating and cooling or filling and emptying tanks

Piston Pumps

Move fluids in high-pressure applications, such as testing pipelines, tanks, and valves

Hydraulic Power Units

Hydraulic Power Units

Create and supply hydraulic pressure to keep hydraulic systems running

Plunger Pumps

Pressurize water for washdowns, drain jetting, and other spraying applications

Air to Hydraulic Power Units

Air to Hydraulic Power Units

Power a hydraulic cylinder with air to avoid the setup, cost, and mess of hydraulic fluid

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)