1 1/4 Pipe Size Gaskets | McMaster-Carr

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Pipe Size

Shape

For Flange ANSI Class

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Refrigerant Resistant

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Number of Bolt Holes

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Minimum Temperature

Maximum Pressure

1,000 psi to 1,999 psi

2,000 psi to 2,999 psi

For Use With

Low Stress-to-Seal Flanges

Flange Standard

Specifications Met

Hardness Rating

Hardness

Export Control Classification Number (ECCN)

EAR99

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

Yes

DFARS Specialty Metals

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81 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

4 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 Silicone Rubber Pipe Gaskets

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

1 product

Long-Life High-Temperature Metallic Pipe Gaskets

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

2 products

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

High-Temperature Graphite Pipe Gaskets

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

2 products

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

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

5 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

Water-Resistant Aramid-Reinforced SBR Pipe Gaskets

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

2 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

4 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 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 and Fasteners

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

5 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 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

1 product

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

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

1 product

Chemical-Resistant Pipe Gaskets

Ultra-Chemical-Resistant PTFE Pipe Gaskets

Pure PTFE won't stick or react to chemicals

2 products

Chemical-Resistant Viton Fluoroelastomer Pipe Gaskets

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

1 product

Ultra-Chemical-Resistant Compressible ePTFE Pipe Gaskets

Ensure a tighter seal than pure PTFE

4 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 Compressible ePTFE Pipe Gaskets for Low Stress-to-Seal Flanges

Seal under low torque to prevent overtightening

2 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 Reinforced PTFE Pipe Gaskets

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

2 products

High-Temperature Pipe Gaskets with Bolt Holes

High-Temperature Silicone Rubber Pipe Gaskets with Bolt Holes

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

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 Graphite Pipe Gaskets with Bolt Holes

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

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

Chemical-Resistant Pipe Gaskets with Bolt Holes

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

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

1 product

Chemical-Resistant Viton Fluoroelastomer Pipe Gaskets with Bolt Holes

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

1 product

Ultra-Chemical-Resistant PTFE Pipe Gaskets with Bolt Holes

Pure PTFE won't stick or react to chemicals

2 products

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

Ensure a tighter seal than pure PTFE

4 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

4 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