6 Pipe Size Gaskets | McMaster-Carr

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System of Measurement

Pipe Size

Shape

For Flange ANSI Class

Material

Thickness

Number of Bolt Holes

Color

Performance

Refrigerant Resistant

Maximum Temperature

Backing Type

For Use With

Grooved-End Pipe Fittings

Low Stress-to-Seal Flanges

Water

Maximum Pressure

Less than 500 psi

500 psi to 999 psi

1,000 psi to 1,999 psi

2,000 psi to 2,999 psi

Hardness Rating

Specifications Met

Environment

Flange Standard

Hardness

Minimum Temperature

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

REACH

RoHS

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

EAR99

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98 Products

Pipe Gaskets

High-Temperature Pipe Gaskets

High-Temperature Metallic Pipe Gaskets

Made of carbon steel, stainless steel, and graphite to endure heat and stress

4 products

High-Temperature Graphite Pipe Gaskets

Withstand heat as high as 750° F and pressure up to 1,000 psi

3 products

High-Temperature Chemical-Resistant Metallic Pipe Gaskets

Carbon steel surrounds a PTFE sealing element to withstand heat and harsh chemicals

2 products

High-Temperature Oil-Resistant Carbon Fiber-Reinforced Buna-N Pipe Gaskets

Ideal for oily applications as hot as 650° F

1 product

Easy-Install High-Temperature Metallic Pipe Gaskets

Tines easily fit around flange bolts to align them with pipe openings

1 product

High-Temperature Steam-Resistant Metallic Pipe Gaskets

Made of 110 copper to handle steam applications up to 600° F

2 products

Long-Life High-Temperature Metallic Pipe Gaskets

A gap stops the inner seal from squeezing inward and contaminating the line

2 products

High-Temperature Silicone Rubber Pipe Gaskets

Withstand heat up to 450° F while resisting water and salts

1 product

Ultra-High-Temperature Vermiculite Pipe Gaskets

Withstand the highest temperatures up to 1,800° F

1 product

High-Temperature Buna-N/Graphite Pipe Gaskets

Withstand temperatures up to 650° F

1 product

Oil-Resistant Pipe Gaskets with Bolt Holes

Oil-Resistant Compressible Buna-N Pipe Gaskets with Bolt Holes

Ensure a tight seal that stands up to oil, water, and salts

3 products

Oil-Resistant Aramid-Reinforced Buna-N Pipe Gaskets with Bolt Holes

Resist oil, water, and aliphatic hydrocarbons such as ethylene

4 products

Oil-Resistant Aramid-Reinforced Buna-N Pipe Gaskets with Bolt Holes and Fasteners

Furnished with nuts and bolts to create a connection between pipe flanges

4 products

Oil-Resistant Compressible Buna-N Pipe Gaskets with Bolt Holes for Dissimilar Metals

The plastic washers and sleeves prevent corrosion when joining different metals

1 product

Water- and Steam-Resistant Pipe Gaskets with Bolt Holes

Water- and Steam-Resistant EPDM Pipe Gaskets with Bolt Holes

Stand up to water, steam, and salt water

4 products

Water- and Steam-Resistant EPDM Pipe Gaskets with Bolt Holes for Dissimilar Metals

The plastic washers and sleeves prevent corrosion when joining different metals

1 product

Water-Resistant Aramid-Reinforced SBR Pipe Gaskets with Bolt Holes for Uneven Surfaces

Absorb water and swell to fill gaps on uneven flanges

2 products

Water-Resistant Aramid-Reinforced SBR Pipe Gaskets with Bolt Holes

The blend of rubber and synthetic fibers resists water and inert gases

2 products

Oil-Resistant Pipe Gaskets

Oil-Resistant Aramid-Reinforced Buna-N Pipe Gaskets

Resist oil, water, and aliphatic hydrocarbons such as ethylene

4 products

Oil-Resistant Compressible Buna-N Pipe Gaskets

Ensure a tight seal that stands up to oil, water, and salts

2 products

Oil-Resistant Aramid-Reinforced Buna-N Pipe Gaskets with Fasteners

Furnished with nuts and bolts to create a connection between pipe flanges

1 product

High-Temperature Pipe Gaskets with Bolt Holes

High-Temperature Graphite Pipe Gaskets with Bolt Holes

Withstand heat as high as 750° F and pressure up to 1,000 psi

3 products

High-Temperature Silicone Rubber Pipe Gaskets with Bolt Holes

Withstand heat up to 450° F while resisting water and salts

1 product

Ultra-High-Temperature Vermiculite Pipe Gaskets with Bolt Holes

Withstand the highest temperatures up to 1,800° F

1 product

High-Temperature Buna-N/Graphite Pipe Gaskets with Bolt Holes

Blended with graphite to endure temperatures up to 650° F

1 product

High-Temperature Oil-Resistant Carbon Fiber-Reinforced Buna-N Pipe Gaskets with Bolt Holes

Ideal for oily applications as hot as 650° F

1 product

Water- and Steam-Resistant Pipe Gaskets

Water- and Steam-Resistant EPDM Pipe Gaskets

Stand up to water, steam, and salt water

6 products

Water-Resistant Aramid-Reinforced SBR Pipe Gaskets

The blend of rubber and synthetic fibers resists water and inert gases

2 products

Water- and Refrigerant-Resistant Neoprene Pipe Gaskets

Resist water, refrigerants, and salts

1 product

Water- and Abrasion-Resistant SBR Pipe Gaskets

Resist abrasion better than gaskets blended with synthetic fibers

1 product

Chemical-Resistant Pipe Gaskets

Ultra-Chemical-Resistant PTFE Pipe Gaskets

Pure PTFE won't stick or react to chemicals

4 products

Chemical-Resistant Viton Fluoroelastomer Pipe Gaskets

Resist wear from acids, alcohols, oils, transmission fluid, and more

2 products

Ultra-Chemical-Resistant Food and Beverage Compressible ePTFE Pipe Gaskets

Made of FDA-listed materials to prevent contaminating food and beverage lines

4 products

Ultra-Chemical-Resistant High-Strength PTFE Pipe Gaskets

Blended with fiberglass so they won't thin out when compressed

1 product

Ultra-Chemical-Resistant Compressible ePTFE Pipe Gaskets

Ensure a tighter seal than pure PTFE

4 products

Ultra-Chemical-Resistant Compressible Reinforced ePTFE Pipe Gaskets

Ensure a tighter seal than pure PTFE, with a stainless steel insert for added strength

1 product

Ultra-Chemical-Resistant Compressible ePTFE Pipe Gaskets for Low Stress-to-Seal Flanges

Seal under low torque to prevent overtightening

2 products

Ultra-Chemical-Resistant Reinforced PTFE Pipe Gaskets

Made of pure PTFE with a stainless steel insert for increased strength

2 products

Chemical-Resistant Pipe Gaskets with Bolt Holes

Ultra-Chemical-Resistant Food and Beverage Compressible ePTFE Pipe Gaskets with Bolt Holes

Made of FDA-listed materials to prevent contaminating food and beverage lines

2 products

Chemical-Resistant Viton Fluoroelastomer Pipe Gaskets with Bolt Holes

Resist wear from acids, alcohols, oils, transmission fluid, and more

2 products

Ultra-Chemical-Resistant PTFE Pipe Gaskets with Bolt Holes

Pure PTFE won't stick or react to chemicals

4 products

Ultra-Chemical-Resistant Compressible ePTFE Pipe Gaskets with Bolt Holes

Ensure a tighter seal than pure PTFE

2 products

Ultra-Chemical-Resistant High-Strength PTFE Pipe Gaskets with Bolt Holes

Blended with fiberglass so they won't thin out when compressed

2 products

Ultra-Chemical-Resistant Compressible ePTFE Pipe Gaskets with Bolt Holes for Low Stress-to-Seal Flanges

Form a seal even under the low torque needed for fiberglass flanges

2 products

Gaskets for Grooved-End Pipe Fittings

Water-Resistant EPDM Gaskets for Grooved-End Pipe Fittings

Form a snug seal on grooved-end pipe fittings in wet environments

1 product