Steam O-Rings | McMaster-Carr

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System of Measurement

ID

Cross Section Shape

Width

Material

Molybdenum Disulfide

Stainless Steel

Dash Number

Core Material

Silicone Rubber

Viton® Fluoroelastomer

OD

Maximum Temperature

Less than 250° F

250° F to 299° F

300° F to 499° F

500° F to 999° F

1,000° F or greater

Hardness

Color

Hardness Rating

Fractional ID

Fractional Width

Core Color

Minimum Temperature

-250° F or less

-249° F to -100° F

-99° F to -50° F

-49° F to -1° F

Greater than 0° F

Fractional OD

Environment

Food and Beverage

Specifications Met

NFPA (National Fluid Power Association) Standard

Core Hardness

REACH

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

RoHS

Export Control Classification Number (ECCN)

DFARS Specialty Metals

How can we improve?

2,815 Products

Sealing

O-Rings

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

Piston Seals

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

Packing Seals

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

Wear Ring Stock

Wear Ring Stock

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

Wear Rings

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

Rod Wipers

Scrape dirt off rods to keep the inside of cylinders clean

Shaft Seals

Prevent leaks in motors, pumps, and gearboxes

Cord Stock

Cut to length to create customized seals

O-Ring Bonding Kits

O-Ring Bonding Kits

Everything needed to make O-rings

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