Flange Seals | McMaster-Carr

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Highly Shape Retaining

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1,000 psi to 1,999 psi

2,000 psi to 2,999 psi

For Use With

Grooved-End Pipe Fittings

Low Stress-to-Seal Flanges

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

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2,032 Products

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Pipe Gaskets

High-Temperature Pipe Gaskets

High-Temperature Metallic Pipe Gaskets

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

57 products

High-Temperature Graphite Pipe Gaskets

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

38 products

High-Temperature Chemical-Resistant Metallic Pipe Gaskets

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

36 products

High-Temperature Silicone Rubber Pipe Gaskets

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

15 products

Long-Life High-Temperature Metallic Pipe Gaskets

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

30 products

Easy-Install High-Temperature Metallic Pipe Gaskets

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

6 products

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

Ideal for oily applications as hot as 650° F

14 products

High-Temperature Steam-Resistant Metallic Pipe Gaskets

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

14 products

High-Temperature Buna-N/Graphite Pipe Gaskets

Withstand temperatures up to 650° F

13 products

Ultra-High-Temperature Vermiculite Pipe Gaskets

Withstand the highest temperatures up to 1,800° F

10 products

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

82 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

7 products

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

Absorb water and swell to fill gaps on uneven flanges

12 products

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

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

29 products

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

49 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

13 products

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

Resist oil, water, and aliphatic hydrocarbons such as ethylene

72 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

69 products

Chemical-Resistant Pipe Gaskets with Bolt Holes

Chemical-Resistant Viton Fluoroelastomer Pipe Gaskets with Bolt Holes

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

29 products

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

44 products

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

Ensure a tighter seal than pure PTFE

44 products

Ultra-Chemical-Resistant PTFE Pipe Gaskets with Bolt Holes

Pure PTFE won't stick or react to chemicals

44 products

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

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

22 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

25 products

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

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

7 products

Water- and Steam-Resistant Pipe Gaskets

Water- and Steam-Resistant EPDM Pipe Gaskets

Stand up to water, steam, and salt water

109 products

Water- and Refrigerant-Resistant Neoprene Pipe Gaskets

Resist water, refrigerants, and salts

13 products

Water-Resistant Aramid-Reinforced SBR Pipe Gaskets

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

30 products

Water- and Abrasion-Resistant SBR Pipe Gaskets

Resist abrasion better than gaskets blended with synthetic fibers

13 products

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

31 products

High-Temperature Silicone Rubber Pipe Gaskets with Bolt Holes

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

15 products

Ultra-High-Temperature Vermiculite Pipe Gaskets with Bolt Holes

Withstand the highest temperatures up to 1,800° F

9 products

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

Ideal for oily applications as hot as 650° F

15 products

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

Blended with graphite to endure temperatures up to 650° F

12 products

Chemical-Resistant Pipe Gaskets

Ultra-Chemical-Resistant PTFE Pipe Gaskets

Pure PTFE won't stick or react to chemicals

45 products

Chemical-Resistant Viton Fluoroelastomer Pipe Gaskets

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

29 products

Ultra-Chemical-Resistant Compressible Reinforced ePTFE Pipe Gaskets

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

8 products

Ultra-Chemical-Resistant Compressible ePTFE Pipe Gaskets

Ensure a tighter seal than pure PTFE

50 products

Ultra-Chemical-Resistant High-Strength PTFE Pipe Gaskets

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

14 products

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

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

50 products

Ultra-Chemical-Resistant Reinforced PTFE Pipe Gaskets

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

28 products

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

Seal under low torque to prevent overtightening

24 products

Oil-Resistant Pipe Gaskets

Oil-Resistant Compressible Buna-N Pipe Gaskets

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

22 products

Oil-Resistant Aramid-Reinforced Buna-N Pipe Gaskets

Resist oil, water, and aliphatic hydrocarbons such as ethylene

72 products

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

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

15 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

4 products

Oil-Resistant Buna-N Gaskets for Grooved-End Pipe Fittings

Create a tight seal on grooved-end pipe fittings exposed to oil

3 products

Other Products

Tube Fitting Gaskets

Prevent leaks when connecting sanitary tube fittings

435 products

Drain Gaskets

Create a watertight seal between your drain and fixture without the mess of plumber's putty

3 products

Gasket Tape

Seal openings such as those around windows, enclosures, and pipe flanges to prevent leaks

94 products

Rubber

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

30 products

Gasket Makers

Seal irregular shapes and tiny crevices by applying a bead that hardens into a gasket

58 products

Gasket Sealants

Seal gaskets on metal parts

11 products

Contact Adhesives

Apply adhesive, air dry, and bring surfaces together to bond

9 products