Plastic Flanges | McMaster-Carr

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Hastelloy C276 Nickel

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Low Stress-to-Seal Flanges

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1,811 Products

About Pipe and Fittings

Measure your pipe and fittings to identify their pipe size, thread size, schedule, and thread type. Then, find compatible components.

Pipe and Fittings

Plastic Pipe and Fittings

Thick-Wall Plastic Pipe Flanges for Water

Thick-Wall Plastic Pipe Flanges for Water

Create an access point in high-pressure water supply lines; also known as Class 150 flanges

CPVC Pipe Flanges for Chemicals

CPVC Pipe Flanges for Chemicals

Add an access point to lines that withstand chemicals; also known as Class 150 flanges

UV-Resistant Polypropylene Pipe Flanges for Chemicals

UV-Resistant Polypropylene Pipe Flanges for Chemicals

Add an access point to lines that withstand sunlight and chemicals; also known as Class 150 flanges

High-Purity Polypropylene Pipe Flanges for Drinking Water

High-Purity Polypropylene Pipe Flanges for Drinking Water

Add an access point to lines that won't leach contaminants; also known as Class 150 flanges

Easy-Access CPVC Pipe Flanges for Chemicals

Easy-Access CPVC Pipe Flanges for Chemicals

Connect to pipe with a clamp for quick access to chemical-process lines; known as Victaulic flanges

Flame-Retardant PVDF Pipe Flanges for Harsh Chemicals

Flame-Retardant PVDF Pipe Flanges for Harsh Chemicals

Add an access point to lines that resist spreading fire and withstand harsh chemicals

High-Temperature PTFE Pipe Flanges for Harsh Chemicals

High-Temperature PTFE Pipe Flanges for Harsh Chemicals

Add an access point in high-temperature chemical-process lines; also known as Class 150 flanges

Spin-Weld Plastic Pipe Fittings for Water

Spin-Weld Plastic Pipe Fittings for Water

Melt into plastic tanks, walls, and panels for a leak-free connection without gaskets or sealants

Fiberglass Pipe Flanges for Chemicals

Fiberglass Pipe Flanges for Chemicals

Create an access point in heavy duty chemical-process lines, such as for plating solution

Drain, Waste, and Vent Pipe and Fittings

Drain, Waste, and Vent Standard-Wall PVC Pipe Flanges for Water

Drain, Waste, and Vent Standard-Wall PVC Pipe Flanges for Water

Create an access point in gravity-flow drain, waste, and vent lines; also known as Schedule 40

Drain, Waste, and Vent ABS Pipe Flanges for Chemicals

Drain, Waste, and Vent ABS Pipe Flanges for Chemicals

Add an access point in gravity-flow chemical-waste systems

Other Products

Duct Flanges

Mount on equipment to start a run of duct, or create a secure joint between two sections

Pipe Gaskets

Form tight seals when connecting flanged pipe fittings

Pipe Expansion Joints

Pipe Expansion Joints

Reduce stress, vibration, and noise in piping systems by absorbing movement

Pipe Stub Ends

Connect a pipe flange to a pipe without needing to weld it in place

Pipe Locknuts

Thread onto the male end of a pipe fitting so it won't loosen from vibration

Precision Lead Screw Nuts

Precision Lead Screw Nuts

Pair with precision lead screws for accurate starts and stops in your assembly

Grommets

Protect wire, cable, and cords from holes with sharp or rough edges

Floor, Wall, and Ceiling Plates

Floor, Wall, and Ceiling Plates

Add a finishing touch around protruding pipes; also known as escutcheons

Toilet Mounts

Secure toilet components with flanges and hardware kits

Urinal Flanges

Connect a urinal to your drainage system

Hose Fittings

Create threaded, barbed, quick-disconnect, and other types of connections between lengths of hose

Slip-On Framing and Fittings

Slip-On Framing and Fittings

Insert rails into fittings and tighten screws to make guards, railings, and racks

Tube Fittings

Make threaded, push to connect, barbed, and other types of connections between lengths of tube

Hex Head Screws

Hex Head Screws

Used with nuts to create a stronger joint than flat and rounded screws

Leak-Detecting Pipe Flange Covers

Leak-Detecting Pipe Flange Covers

Wrap around pipe flanges to show when there's a leak and contain it

Bellows

Prevent dust and debris from damaging moving parts

Clamp-On Framing and Fittings

Clamp-On Framing and Fittings

Two-piece fittings let you modify assembly stations, conveyors, and racks without dismantling them

Press-Fit Framing and Fittings

Press-Fit Framing and Fittings

Set up temporary partitions, guards, and displays using only a hammer

Duct Intake Hoods

Duct Intake Hoods

Capture air, vapors, and fumes at the source

Fire Sprinkler Head Cover Plates

Fire Sprinkler Head Cover Plates

Replace the cover on your fire sprinkler head for a clean look; also known as escutcheons

Duct End Caps

Close off a length of duct

Connectors for Telescoping Tubes

Connectors for Telescoping Tubes

Lock tubes in place to create adjustable structures, such as folding stands and extension poles

Flange Nuts

The flange distributes pressure, so you don't need a washer

Hose

Flexible and stronger than tubing; often used to convey liquids and gases under pressure

Made-to-Order Gaskets

Made-to-Order Gaskets

Send your exact specifications to get gaskets that fit precisely between surfaces

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