Seals for Water | McMaster-Carr

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System of Measurement

Seal ID

Seal OD

Shaft Diameter

Seal Width

For Use With

201 Stainless Steel Strapping

302 Stainless Steel Strapping

304 Stainless Steel Strapping

316 Stainless Steel Strapping

Basket Weave Polyester Strapping

Beverage

Bonded Polyester Strapping

Bonded Polyester/Polypropylene Strapping

Diluted Salt Solutions

Dissimilar Metals

Electronics

Embossed Polypropylene Strapping

Grooved-End Pipe Fittings

Hex Nuts

High-Carbon Steel Strapping

Low Stress-to-Seal Flanges

Low-Carbon Steel Strapping

Smooth Polyester Strapping

Smooth Polypropylene Strapping

Water-Based Paint and Coatings

Wire

Woven Composite Plastic Strapping

Woven Polyester Strapping

Abietic Acid

Acetic Acid (White Vinegar)

Gasoline (Up to 10% Ethanol)

Hydraulic Fluid (Petroleum Based)

Methanol (Methyl Alcohol)

Methyl Ethyl Ketone (MEK)

Sodium Bicarbonate (Baking Soda)

Sodium Chloride

Sodium Hydroxide (Caustic Soda)

Sodium Hydroxide (Caustic Soda) (3-6% Concentration)

Sodium Hypochlorite (Bleach)

Tungsten Hexafluoride

Material

Width

Bore Diameter

Color

Mount Type

Maximum Temperature

Cross Section Shape

Hardness Rating

Hardness

Durometer 1A to Durometer 95A

Durometer 0D to Durometer 75D

Seal Construction

Maximum Rotation Speed

Minimum Temperature

For Sealing

REACH

RoHS

Compliant with Exemptions

Not Compliant

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

Yes

DFARS Specialty Metals

Compliant

Exempt

Export Control Classification Number (ECCN)

11,884 Products

Sealing

Shaft Seals

Prevent leaks in motors, pumps, and gearboxes

494 products

U-Cup Seals

With a lip on both the inside and outside edges, they can be used for sealing rods and pistons

76 products

Piston Seals

Prevent leaks inside pistons by creating a seal against the cylinder bore

43 products

Rod Wipers

Scrape dirt off rods to keep the inside of cylinders clean

39 products

Packing Seals

Fill in gaps around pump shafts, valve stems, and agitators to prevent leaks

231 products

Packing Seal Lubricating Rings

Install between layers of packing seals to distribute lubricants evenly; also known as lantern rings

8 products

Rod Seals

Maintain pressure inside cylinders and prevent fluid leaks

20 products

Cushioning Seals

Reduce wear and noise in air-powered cylinders by blocking the piston from hitting the cylinder body

5 products

Wear Rings

Guide rods and pistons to prevent uneven wear and extend the life of seals

41 products

Buffering Seals

Protect hydraulic cylinders from pressure spikes and shock in high-pressure applications

9 products

Wear Ring Stock

Cut to make wear rings that fit any rod or bore to prevent uneven wear and extend the life of seals

12 products

Edge Seals

Block dust, water, and wind from entering the gaps around doors and windows

511 products

Rope Seals

Insulate the edges of oven, furnace, and boiler doors to keep heat in

13 products

O-Rings

Fit snugly into a groove between parts to create a leak-resistant seal

9,460 products

O-Ring Bonding Kits

Everything needed to make O-rings

1 product

Cord Stock

Cut to length to create customized seals

142 products

Hose Washers

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

4 products

Pipe Gaskets

Form tight seals when connecting flanged pipe fittings

24 products

Thread Sealants

Create a seal between threaded connections to prevent loosening from vibration

161 products

Sealants

Fill and seal gaps in metal, plastic, wood, and other materials

13 products

Fluid Handling

Tube and Tube Fittings

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

312 products

Hose and Hose Fittings

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

90 products

Pressure Test Fittings

Create a temporary connection point for gauges and other testing equipment

31 products

Gauge Guards

Shield gauges from corrosive liquids and gases; also called diaphragm seals

15 products

Strainers

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

9 products

Fastening and Joining

Repair and Duct Tape

Permanently join or seal surfaces

2 products

Threadlockers

Coat threads on threaded fasteners to prevent loosening from impact and vibration

6 products

Containers, Storage, and Furniture

Tank Patches

Spin with a handheld electric router to seal holes in plastic tanks and containers

4 products

Facility and Grounds Maintenance

Surface Fillers

Repair chips, cracks, and tears in various surfaces

5 products

Safety Equipment

Drum Patches

Patch drum leaks to prevent their contents from spilling

2 products

Raw Materials

Rubber

Compresses and bounces back to shape; often used for sealing, cushioning, and shock absorbing

26 products