Flow Pumps | McMaster-Carr

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1,189 Products

Fluid Handling

Diaphragm Pumps

Diaphragm Pumps

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

Gear Pumps

Create fixed liquid flow rates to cool engines, power hydraulic equipment, and extract liquids

Drum Pumps

Draw liquids out of drums, pails, and other small containers

Sump Pumps

Drain water and sewage water from sump pits, loading docks, and cooling towers

Dewatering Pumps

Dewatering Pumps

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

Submersible Pumps

Submersible Pumps

Circulate liquids in small tanks, cooling baths, and other low-flow applications

Pump Impellers

Replace impellers on your pumps

Pump Baseplates

Pump Baseplates

Raise pumps off of floors to prevent motor damage from floods or spills and to minimize vibration

Rotary Vane Pumps

Rotary Vane Pumps

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

Vacuum Pumps

Create suction force to move objects, draw liquids and gases, or generate flow

Peristaltic Pumps

Peristaltic Pumps

Dispense chemicals at set flow rates

Jet Pumps

Create suction from high-pressure liquid or steam to mix fluids, grains, and other granular material

Condensate Pumps

Condensate Pumps

Collect and remove condensate from HVAC and refrigeration systems

Piston Pumps

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

Pump Repair Kits

Pump Repair Kits

Replace parts on transfer pumps, circulation pumps, and metering pumps

Plunger Pumps

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

Syringe Pumps

Dispense precise amounts of chemicals from syringes

Pump Pulsation Dampers

Pump Pulsation Dampers

Absorb vibration from air-powered pumps to reduce wear and protect inline regulators and gauges

Boiler Feed Pumps

Boiler Feed Pumps

Pump condensate into boilers to maintain proper water levels

Fluid and Air Evacuators

Fluid and Air Evacuators

Connect to compressed air to extract oil, coolant, and brake fluid from tanks and brake systems

Strainers

Install next to valves and pumps to catch debris in your line

Air Evacuators

Flush air bubbles from hydraulic fluid without using compressed air or electricity

Float Switches

Start process equipment such as pumps and motors when the liquid in your tank reaches the float

Proportional Mixers

Proportional Mixers

Dilute detergents, sanitizers, coolants, and soluble oils directly from your drum

Pressure Switches

Pressure Switches

Activate controls, set off alarms, and power equipment when a set pressure is reached

Hose and Hose Fittings

Hose and Hose Fittings

Flexible and stronger than tubing; often used to convey liquids and gases under pressure

Power Transmission

Air Compressor/Vacuum Generators

Air Compressor/Vacuum Generators

Pressurize air and form a vacuum with a single machine

Hydraulic Power Units

Hydraulic Power Units

Create and supply hydraulic pressure to keep hydraulic systems running

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

Air Cylinders

Push and pull loads to do everything from stamping materials to sorting parts on conveyors

Lubricating

Oil Dispensers

Keep machinery lubricated by applying oil

Oil Dispenser Guns

Oil Dispenser Guns

Pair with container-mount dispensers to control the flow of oil

Suction Guns

Suction old lubricant from transmissions or extract water from tight spaces

Communication

Sump Pump Alarms

Sump Pump Alarms

Warn you when water levels in your sump pump rise too high

Material Handling

Vacuum Lifters

Power vacuum cups with compressed air instead of a vacuum system to move objects

Vacuum Lifter Dampers

Vacuum Lifter Dampers

Stick onto vacuum lifters to create a soft surface for moving delicate parts

Vacuum Lifter Accessory and Replacement Parts

Vacuum Lifter Accessory and Replacement Parts

Add accessories such as sensors or replace cups and other parts on your vacuum lifter

Vacuum Fittings

Vacuum Fittings

Connect to vacuum cups and compressed air to create suction; also known as venturi devices

Raw Materials

Foam

Pockets of air make it lighter in weight than rubber; good for packing, insulating, and sealing

Building and Machinery Hardware

T-Slotted Framing and Fittings

T-Slotted Framing and Fittings

The most versatile system, attach fittings along the continuous slots to build virtually anything

Containers, Storage, and Furniture

Pipette Pumps

Use with a pipette to comfortably draw and dispense exact quantities with one hand

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