Eccentric Pipe Reducers | McMaster-Carr

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584 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.

Metal Pipe and Pipe Fittings

Standard-Wall Butt-Weld Steel
Unthreaded Pipe Fittings

Butt-weld fittings allow for a smooth, flush connection that provides maximum flow.

FM-Approved Low-Pressure
Cast Iron Threaded Pipe Fittings

Suitable for use in fire-protection applications, these pipe fittings are made of cast iron, so they are brittle and can be quickly opened with the strike of a sledge hammer.

Drain, Waste, and Vent Iron Pipe Fittings

Also known as no-hub pipe fittings and soil pipe fittings, these fittings are for use in gravity-flow applications both above and below ground.

Thin-Wall Butt-Weld Stainless
Steel Unthreaded Pipe Fittings

Also known as Schedule 10 fittings, these are thin, lightweight, and corrosion resistant.

Plastic Pipe and Pipe Fittings

Thick-Wall Plastic Pipe Fittings for Water

Connect these fittings to Schedule 80 pipe. With thicker, stronger walls than standard-wall fittings, they can handle heavy duty supply applications, such as water processing, wastewater treatment, and irrigation.

CPVC Pipe Fittings for Hot Water

Connect to CPVC pipe for use in high-temperature plumbing and water supply applications.

Aboveground Standard-Wall PVC Pipe
Fittings for Drain, Waste, and Vent

These Schedule 40 fittings are the industry standard for gravity-flow drain, waste, and vent (DWV) applications.

Drain, Waste, and Vent ABS
Pipe Fittings for Chemicals

These fittings are an economical option for chemical waste systems. Fittings are ABS plastic, which has excellent strength and impact resistance and good chemical resistance.

Drain, Waste, and Vent ABS
Pipe Flanges for Chemicals

Bolt two same-size flanges together with a gasket to create an access point within a line. Flanges are an economical option for gravity-flow chemical waste systems. They are ABS plastic, which has excellent strength and impact resistance and good chemical resistance.

Low-Pressure Clamp-On Connectors for Drain, Waste, and Vent

Low-Pressure Clamp-On Connectors
for Drain, Waste, and Vent

To make installing and maintaining systems easy, these connectors come with clamps that form a strong seal on pipe and fittings once tightened.

Tube Fittings for Metal Tubing

Extra-High-Polish Metal
Quick-Clamp Sanitary Tube Fittings

Polished to a 20 Ra finish, these fittings have an extra-smooth interior that prevents product buildup and inhibits bacteria growth.

High-Polish Metal Quick-Clamp
Sanitary Tube Fittings

The smooth finish inside these stainless steel quick-clamp fittings makes it easy to remove product residue.

Butt-Weld Fittings for Stainless Steel Tubing

Butt-weld fittings allow for a smooth, flush connection that provides maximum flow.

Solder-Connect Fittings for Copper Tubing

Solder these fittings to tubing for a permanent, leak-tight connection. They are also known as sweat fittings.

Metal Pipe and Pipe Fittings

Standard-Wall Butt-Weld SteelUnthreaded Pipe Fittings

FM-Approved Low-PressureCast Iron Threaded Pipe Fittings

Drain, Waste, and Vent Iron Pipe Fittings

Thin-Wall Butt-Weld StainlessSteel Unthreaded Pipe Fittings

Plastic Pipe and Pipe Fittings

Thick-Wall Plastic Pipe Fittings for Water

CPVC Pipe Fittings for Hot Water

Aboveground Standard-Wall PVC PipeFittings for Drain, Waste, and Vent

Drain, Waste, and Vent ABSPipe Fittings for Chemicals

Drain, Waste, and Vent ABSPipe Flanges for Chemicals

Low-Pressure Clamp-On Connectors for Drain, Waste, and Vent

Low-Pressure Clamp-On Connectorsfor Drain, Waste, and Vent

Tube Fittings for Metal Tubing

Extra-High-Polish MetalQuick-Clamp Sanitary Tube Fittings

High-Polish Metal Quick-ClampSanitary Tube Fittings

Butt-Weld Fittings for Stainless Steel Tubing

Solder-Connect Fittings for Copper Tubing

Standard-Wall Butt-Weld Steel
Unthreaded Pipe Fittings

FM-Approved Low-Pressure
Cast Iron Threaded Pipe Fittings

Thin-Wall Butt-Weld Stainless
Steel Unthreaded Pipe Fittings

Aboveground Standard-Wall PVC Pipe
Fittings for Drain, Waste, and Vent

Drain, Waste, and Vent ABS
Pipe Fittings for Chemicals

Drain, Waste, and Vent ABS
Pipe Flanges for Chemicals

Low-Pressure Clamp-On Connectors
for Drain, Waste, and Vent

Extra-High-Polish Metal
Quick-Clamp Sanitary Tube Fittings

High-Polish Metal Quick-Clamp
Sanitary Tube Fittings