PVC Pipe Fitting Caps | McMaster-Carr

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214 Products

How to Identify and Measure Fittings

Pipe size is an industry designation, not the actual size. View information about how to measure threaded and unthreaded pipe and pipe fittings.

Standard-Wall Plastic Pipe Fittings for Water

Connect these fittings to Schedule 40 plastic pipe—they are the industry standard for residential and commercial low-pressure plumbing and water supply applications. They are plastic for good corrosion resistance.

Thick-Wall Plastic Pipe Fittings for Water

Connect these fittings to thick-wall plastic pipe—they have thicker, stronger walls than standard-wall fittings, so they can handle heavy duty industrial plumbing and water supply applications, such as water processing, waste water treatment, and irrigation. They can withstand pressures up to 900 psi.

High-Pressure Barbed Plastic Pipe Fittings for Water

Use for pressures up to 200 psi. Also known as insert fittings, these slide into semi-flexible plastic pipe and secure with a clamp.

CPVC Pipe Fittings for Hot Water

Connect to CPVC pipe for use in high-temperature plumbing and water supply applications up to 200° F.

Underground PVC Pipe Fittings
for Drain, Waste, and Vent

With thinner walls than Schedule 40 fittings, these are lighter in weight and have more space on the inside for high-flow applications, such as underground gravity-flow sewer and storm drainage lines. They are also known as SDR 35 fittings.

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.

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

Socket-Connect Fittings for
Plastic Tubing—Drinking Water

Use these nuts with brass compression fittings to create a seal on plastic tubing. They meet NSF/ANSI 61 for use with drinking water.

Dust Caps and Plugs for International Standard
ISO Minimal-Spill Quick-Disconnect
Hose Couplings for Hydraulic Fluid

Use these dust caps and plugs to keep contaminants out of your hose line.

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How to Identify and Measure Fittings

Pipe, Tubing, Hose, and Fittings

Standard-Wall Plastic Pipe Fittings for Water

Thick-Wall Plastic Pipe Fittings for Water

High-Pressure Barbed Plastic Pipe Fittings for Water

CPVC Pipe Fittings for Hot Water

Underground PVC Pipe Fittings
for Drain, Waste, and Vent

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

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

Socket-Connect Fittings for
Plastic Tubing—Drinking Water

Dust Caps and Plugs for International Standard
ISO Minimal-Spill Quick-Disconnect
Hose Couplings for Hydraulic Fluid

How to Identify and Measure Fittings

Pipe, Tubing, Hose, and Fittings

Standard-Wall Plastic Pipe Fittings for Water

Thick-Wall Plastic Pipe Fittings for Water

High-Pressure Barbed Plastic Pipe Fittings for Water

CPVC Pipe Fittings for Hot Water

Underground PVC Pipe Fittingsfor Drain, Waste, and Vent

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

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

Socket-Connect Fittings forPlastic Tubing—Drinking Water

Dust Caps and Plugs for International StandardISO Minimal-Spill Quick-Disconnect Hose Couplings for Hydraulic Fluid

Underground PVC Pipe Fittings
for Drain, Waste, and Vent

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

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

Socket-Connect Fittings for
Plastic Tubing—Drinking Water

Dust Caps and Plugs for International Standard
ISO Minimal-Spill Quick-Disconnect
Hose Couplings for Hydraulic Fluid