Valve Seals | McMaster-Carr

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System of Measurement

ID

Width

Cross Section Shape

OD

Dash Number

Material

321 Stainless Steel

Aramid/PTFE Fiber

Color

Hardness

For Use With

Diluted Salt Solutions

Fluorinated Solvents

Synthetic Lubricants

Transmission Fluid

Hardness Rating

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

Core Material

Fractional ID

Fractional Width

Fractional OD

Minimum Temperature

-250° F or less

-249° F to -100° F

-99° F to -50° F

-49° F to 0° F

Greater than 0° F

REACH

Export Control Classification Number (ECCN)

RoHS

Compliant with Exemptions

DFARS Specialty Metals

Specifications Met

Food Industry Standard

3-A Sanitary Standard

Thickness

Environment

Food and Beverage

Core Color

How can we improve?

11,474 Products

Sealing

O-Rings

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

10,733 products

Backup Rings

Extend the life of O-rings and improve their performance under high pressure

Packing Seals

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

Fluid Handling

Valve Repair Kits

Valve Repair Kits

Maintain valves with replacement parts such as seals, plungers, and springs

Tube Fitting Rings

Tube Fitting Rings

Prevent leaks at tubing connection points

Facility and Grounds Maintenance

Flush Valve Replacement Parts

Flush Valve Replacement Parts

Replace virtually any part in the most common flush valve brands

Raw Materials

Rubber

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

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