Injectors | 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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1,763 Products

Fluid Handling

Injection Valves

Pump liquid into your process line or tank while preventing backflow

7 products

Tank Mixing Nozzles

Circulate liquid in tanks to keep solids from settling

8 products

Jet Pumps

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

49 products

Peristaltic Pumps

Dispense chemicals at set flow rates

93 products

Diaphragm Pumps

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

76 products

Air Evacuators

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

1 product

Containers, Storage, and Furniture

Syringes

Draw in and dispense fluids

158 products

Syringe Needles

Dispense precise amounts of fluid from syringes

342 products

Syringe Thread Adapters

Change connections on syringes, dispensing tips, and needles to luer lock or threaded connections

3 products

Squeeze Bottles

Store liquids and dispense from a nozzle

300 products

Syringe Barrels

Hold fluids before dispensing or after drawing in

15 products

Transfer Needles

Move liquids from one container to another without contamination or spilling

1 product

Pipettors

Dispense liquid in accurate, repeatable amounts with the push of a button

68 products

Syringe Adapters

Convert plastic syringe barrels into syringes for air-powered dispensers

10 products

Syringe Tips

Dispense fluids or spread adhesives from syringes and other small instruments

20 products

Syringe Holders

Hang syringes when not in use to prevent contamination and spills

2 products

Pipettes

Transfer drops or a measured stream of liquid

54 products

Syringe Caps

Cover syringe tips when not in use to protect them and prevent leaks

13 products

Syringe Filters

Filter out contaminants from syringes both when drawing in and dispensing

15 products

Pipette Tips

Attach to the end of your pipettor to dispense small amounts of liquid

60 products

Well Plate Fillers

Fill and dispense 96 wells all at once

1 product

Lubricating

Grease Guns

Manually inject lubrication through grease fittings on equipment and machinery

79 products

Grease Gun Tip Adapters

Quickly switch between standard, button-head, and flush-style grease fittings

16 products

Grease Gun Tips

Attach to grease gun nozzles and direct a stream of lubricant into grease fittings on machinery

63 products

Grease Gun Nozzles

Replace nozzles on grease guns

103 products

Grease Gun Accessory Kits

Adapt and extend dispensing tips and install grease fittings with an assortment of tools

2 products

Coolant Aerators

Inject air into coolant to keep it odor free and extend its service life

2 products

Fastening and Joining

Adhesive Dispensing Guns

Apply beads of adhesive from a cartridge to surfaces

49 products

Adhesive Dispensing Gun Cartridges

Fill and then mount in dispensing guns to apply adhesives to surfaces

34 products

Adhesive Dispensing Gun Cartridge Holders

Keep adhesive cartridges securely in place

7 products

Adhesive Dispensing Gun Nozzles

Pair with cartridges in dispensing guns to control the flow of adhesive

75 products

Adhesive Dispensing Gun Cartridge Plungers

Pair with syringes or dispensing-gun cartridges to push adhesive out

6 products

Glue Guns

Melt and dispense hot-melt glue

19 products

Glue Gun Nozzles

Attach to glue guns to control the flow of glue

1 product

Sealing

Caulk Guns

Cartridge, sausage-pack, and bulk-load caulk guns

62 products

Caulk Gun Nozzles

Attach to caulk guns to change the shape and amount of sealant that's dispensed

12 products

Electrical Power, Networking, and Controlling

Power Over Ethernet Injectors

Power devices such as routers and wireless access points in areas lacking a power outlet

5 products

Ethernet Switches

Expand your data network by connecting computers, printers, and servers

5 products