Carbon Seals | McMaster-Carr

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System of Measurement

Shaft Diameter

Seal OD

Seal ID

For Use With

Diluted Salt Solutions

Synthetic Lubricants

Transmission Fluid

Acetic Acid (White Vinegar)

Calcium Hydroxide

Ethylene Glycol

Manufacturer/Brand Equivalent

John Crane Type 1

John Crane Type 6

John Crane Type 6A

John Crane Type 8T

John Crane Type 21

Pac-Seal Type 8T

Pac-Seal Type 16

Pac-Seal Type 21

Pac-Seal Type 31

Pac-Seal Type 51

Pac-Seal Type 68

Sealol Type 43 CE Long

Sealol Type 43 CE Short

Sealol Type 43 CU Short

Sealol Type 60L

Seat OD

Seal Width

Seat Material

Silicon Carbide

Gasket Material

Diaphragm Material

Fluoroelastomer

Viton® Fluoroelastomer

For Shaft Motion

Maximum Temperature

Less than 500° F

3,000° F or greater

Manufacturer Equivalent Number

Material

Aramid/Fiberglass Fabric

Aramid/PTFE Fiber

Calcium Carbonate

Calcium Sulfate (Gypsum)

Compressed Fiber

Cotton/Polyester Fabric

Methyl Isobutyl Ketone (MIBK)

Molybdenum Disulfide

Neoprene Cement

Parachlorobenzotrifluoride (PCBTF)

Rayon/Wool Felt

Silicate Cement

Silicon Carbide

Stainless Steel

Synthetic Resin

Toluene (Methylbenzene)

Vegetable Fiber

Zinc-Rich Epoxy

Case Material

304 Stainless Steel

316 Stainless Steel

Spring Material

Stainless Steel

Maximum Pressure

Less than 1,000 psi

Spring Shape

Washer Material

Seat ID

Seat Width

REACH

Export Control Classification Number (ECCN)

DFARS Specialty Metals

RoHS

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173 Products

Shaft Seals

Mechanical Pump Shaft Seals with Extended Spring

Mechanical Pump Shaft Seals with Extended Spring

An extended spring accommodates variations in seal cavity length

Narrow-Profile Mechanical Pump Shaft Seals with Extended Spring

A smaller seal OD than standard seals

Heavy Duty Mechanical Pump Shaft Seals

Heavy Duty Mechanical Pump Shaft Seals

Multiple springs maintain the seal in agricultural, chemical, and mining pumps

Cartridge Mechanical Shaft Seals

Cartridge Mechanical Shaft Seals

The seal and seat are already assembled for fast installation

Mechanical Pump Shaft Seals with Compact Spring

Mechanical Pump Shaft Seals with Compact Spring

Built with short springs for small circulation and dispensing pumps

Mechanical Pump Shaft Seals

Mechanical Pump Shaft Seals

Commonly used in well, sump, and displacement pumps

Other Products

Foam

Pockets of air make it lighter in weight than rubber; good for packing, insulating, and sealing

Surface Fillers

Surface Fillers

Repair chips, cracks, and tears in various surfaces

Conformal Coatings

Conformal Coatings

Secure and insulate components on circuit boards and other electronics

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