Hydraulic | McMaster-Carr

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1,000 psi to 1,999 psi

2,000 psi to 2,999 psi

3,000 psi to 9,999 psi

10,000 psi or greater

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24,318 Products

Most Likely Products

Hydraulic Power Units

Create and supply hydraulic pressure to keep hydraulic systems running

10 products

Jacks

Lift, hold, push, and position heavy objects

117 products

Hydraulic Cylinders

Push and pull heavy loads to operate forklifts, compactors, and other machinery

296 products

Hose Fittings

Create threaded, barbed, quick-disconnect, and other types of connections between lengths of hose

6,159 products

All Results

Power Transmission

Hydraulic Power Units

Create and supply hydraulic pressure to keep hydraulic systems running

10 products

Hydraulic Motors

Power equipment where electric motors aren't safe and air-powered motors aren't strong enough

6 products

Pump-to-Motor Mount Adapters

Mount motors to hydraulic pumps to reduce noise and guard shaft and coupling connections

21 products

Hydraulic Cylinders

Push and pull heavy loads to operate forklifts, compactors, and other machinery

296 products

Air to Hydraulic Power Units

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

8 products

Hydraulic Actuators

Turn heavy loads to do everything from opening tank doors to pivoting conveyors

16 products

Cylinder Rod Glands

Replace the rod gland on hydraulic cylinders

15 products

Hydraulic Flow-Adjustment Valves

Turn the knob to gradually adjust the flow of hydraulic fluid

2 products

Air Pumps

Fill bicycle and vehicle tires on the go

5 products

Fluid Handling

Directional Control Valves

Manage the flow of fluids to move equipment in air- and hydraulic-powered systems

34 products

Valve Mounts

Match standard NFPA mounting patterns to connect valves with multiple ports

8 products

Flow-Regulating Valves

Maintain the set flow rate of fluid through your system

50 products

On-Off Valves

Start and stop flow through a line

43 products

Valve Manifolds

Control flow to multiple points from one source

9 products

Air Valves

Fill tanks, tires, and other pressurized equipment

23 products

Air Vent Valves

Eliminate air pockets from fluid lines to maintain consistent flow and prevent surges

38 products

Float Switches

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

122 products

Backflow-Prevention Valves

Dual checks stop flow from reversing and contaminating your system

26 products

Sump Pump Backflow-Prevention Valves

Block dirty water from returning to your sump pump

2 products

Valve Handles and Knobs

Replace the handle on most types of valves

41 products

Bore Sealing Plugs

Permanently seal unthreaded holes in pneumatic and hydraulic components

69 products

Hose Fittings

Create threaded, barbed, quick-disconnect, and other types of connections between lengths of hose

6,159 products

Hose

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

2,240 products

Hose Impact Absorbers

Absorb vibration between tools and hose to reduce stress on the hose; also known as snubber hose

21 products

Hose Fitting Nuts

Connect fittings and compressed-gas nipples to pressure regulators and torches

59 products

Hose Nozzle Swivels

Rotate to prevent hose from kinking, twisting, and wearing

24 products

Hose Fitting Lock Rings

Replace lock rings on metal barbed fittings for push-on hose

7 products

Hose End Caps

Cover the ends of hose to keep out dirt and debris

155 products

Hose End Plugs

Insert into the ends of hose to keep out dirt and debris

41 products

Hose Fitting Retaining Chains

Ensure hose end caps and plugs stay connected to the line

2 products

Hose Nozzles

Control flow while dispensing water, fuel, hydraulic fluid, coolant, and chemicals

49 products

Tube and Tube Fittings

Typically more flexible than pipe for carrying liquids and gases in short runs around equipment

5,077 products

Air Chucks

Connect air hose to Schrader valves, which are common on tires and hydraulic systems

28 products

Tubing Samples

Test tubing material or hardness to confirm it works for your application

4 products

Hose Crimpers

Crimp ferrules onto hose to secure fittings

11 products

Hose Kink Absorbers

Prevent hose from kinking to ensure maximum flow and extend hose life

6 products

Hose Whip Checks

Stop hose from whipping around if couplings accidentally disconnect

16 products

Gear Pumps

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

40 products

Pump Impellers

Replace impellers on your pumps

80 products

Centrifugal Pumps

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

224 products

Pump Baseplates

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

8 products

Piston Pumps

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

3 products

Vacuum Pumps

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

64 products

Rotary Vane Pumps

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

13 products

Double Diaphragm Pumps

Transfer liquids, chemicals, and slurries using compressed air

60 products

Pump Pulsation Dampers

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

5 products

Jet Pumps

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

49 products

Test Pumps

Force air or liquid through your system to look for leaks; often called hydrostatic test pumps

30 products

Sump Pump Basins

Hold pumps for ground-level and below-ground use to drain water and sewage without a sump pit

1 product

Sump Pumps

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

57 products

Sump Pump Hose Kits

Drain away the water that your sump pump collects

2 products

Drum Pumps

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

155 products

Diaphragm Pumps

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

45 products

Plunger Pumps

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

3 products

Dewatering Pump Hose Kits

Pair with dewatering pumps to clean up flooded areas

4 products

Dewatering Pumps

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

36 products

Syringe Pumps

Dispense precise amounts of chemicals from syringes

5 products

Submersible Pumps

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

35 products

Boiler Feed Pumps

Pump condensate into boilers to maintain proper water levels

2 products

Peristaltic Pumps

Dispense chemicals at set flow rates

46 products

Pump Repair Kits

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

192 products

Condensate Pumps

Collect and remove condensate from HVAC and refrigeration systems

29 products

Pressure-Regulating Valves

Reduce inlet pressure to a lower outlet pressure to protect sensitive equipment

289 products

Hydraulic Accumulators

Maintain pump flow, stabilize pressure, and absorb shock during pump failure

19 products

Hydraulic Accumulator Bladders

Replace bladders in hydraulic accumulators

5 products

Hydraulic Accumulator Charging and Gauging Kits

Fill accumulators with nitrogen and test the pressure to ensure it’s within the correct range

1 product

Pressure-Relief Valves

Protect equipment by opening at a set pressure and closing when the pressure drops; for repeated use

236 products

Breather Vents

Maintain even pressure and vacuum as temperatures change by allowing airflow in tanks and enclosures

147 products

Compressed Gas Valves

Check and adjust the pressure of compressed gas in tanks; also known as Schrader valves

2 products

Pressure-Relief Discs

Rupture at a set pressure or temperature to vent fluid and gas and protect machinery; one-time use

39 products

Vacuum-Regulating Valves

Control the amount of air that a vacuum pump draws from your system to maintain vacuum levels

14 products

Air Evacuators

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

1 product

Fluid and Air Evacuators

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

1 product

Hydraulic Fluid Filters

Move where needed to add hydraulic fluid to systems and strain out contaminants

3 products

Filter Cartridges

Pair with filter housings to remove particles from liquid

161 products

Inline Filters

Remove small particles from lines

105 products

Sintered Filters

Tiny holes let particles such as air, gas, and vapor pass through while trapping contaminants

17 products

Filter Paper

Remove particles from liquids in lab testing and other filtration applications

22 products

Inline Filter Elements

Replace the filter element in inline filters

2 products

Mixing Valves

Blend hot and cold water, steam, or oil to maintain a set outlet temperature and prevent scalding

277 products

Boiler Tanks

Use as a water heater by pairing with an immersion heater or other heat source

4 products

Material Handling

Jacks

Lift, hold, push, and position heavy objects

117 products

Lift Tables

Lift material to a comfortable working height and adjust as needed

85 products

Containers, Storage, and Furniture

Hydraulic Tanks

House fluids for hydraulic power units and circulating-oil systems

14 products

Tanks

Plastic, metal, and collapsible fabric tanks

245 products

Tank Stands

Raise tanks off the floor so there's clearance for draining

14 products

Hose Reels

Store hose neatly to remove tripping hazards and reduce wear

273 products

Tubs

Plastic, rubber, and steel tubs

19 products

Fuel Dispensers

Dispense fuel wherever you need it

5 products

Measuring and Inspecting

Hose Coupling Size-Identification Kits

Match your hose coupling to one of the plugs to determine its size without measuring

1 product

Fuel Injection Pressure Testers

Check fuel injection pressure to maintain your car's gas mileage

1 product

Pipe Flange Aligners

Line up flange holes so they bolt securely and connections won’t leak

1 product

Lubricating

Oil Dispenser Nozzles

Attach to oil dispensers to direct lubricant where it's needed

9 products

Oil Dispensers

Keep machinery lubricated by applying oil

180 products

Oil Dispenser Guns

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

4 products

Oil Cups

Instead of manually lubricating equipment, a built-in reservoir gradually delivers oil

14 products

Suction Guns

Suction old lubricant from transmissions or extract water from tight spaces

2 products

Oil Reservoirs

Dispense lubricating oil directly to machines, or pair with brushes and valves to control oil flow

44 products

Oil Brushes

Connect to oil dispensers to brush lubricant onto chain, gears, and conveyors

25 products

Oil

Thinner than grease to flow in smaller gaps; dissipates heat and removes dirt and metal shavings

96 products

Coolant Dispensers

Deliver coolant to workpieces with ready-to-use hose and fittings

27 products

Sealing

Hydraulic Tank Pipe Suction Flanges

Seal pipes passing through top plates of hydraulic tanks

5 products

Hose Washers

Place inside nozzles and spigots to prevent leaks in an attached hose

12 products

Safety Equipment

Fire Hydrants

Fight fires in areas around your facility that city-installed hydrants don’t reach

1 product

Fire Post Indicators

Open and close water supply valves for fire systems buried underground or in a wall

2 products

Fire Hydrant Plugs

Pair with a hook-style spanner wrench to quickly seal fire hydrants and washdown equipment

3 products

Fire Hydrant Caps

Pair with a hook-style spanner wrench to quickly cover and uncover fire hydrants

4 products

Communication

Sump Pump Alarms

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

1 product

Raw Materials

Charcoal

Typically used to purify air and water

3 products

Plastic

A lightweight alternative to metal and glass

5,022 products

Fabricating and Machining

Parts Washer Replacement Parts

Replace parts such as pumps, hose, and fusible links

44 products

Parts Washer Filters

Change out used filters or catch grease, oil, and debris to extend the life of your solution

15 products

Electrical

EMI Filters

Shield electronics against electromagnetic interference from power supplies, motors, and lights

12 products

Facility and Grounds Maintenance

Faucet Spout Thread Adapters

Connect the female end of your garden hose to a faucet spout

4 products

Faucet Hole Covers

Close off unused faucet holes intended for soap dispensers and side sprayers

2 products