16" OD Flanges | McMaster-Carr

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27 Products

Selecting and Measuring Expansion Joints

For information about selecting pipe size, see Selecting and Measuring Pipe & Fittings.

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.

Low-Pressure Stainless Steel Unthreaded Pipe Flanges

Bolt two flat-surface flanges or two raised-surface flanges of the same size together with a gasket (sold separately) to create an access point in a pipe line.

Butt-weld flanges are also known as weld-neck flanges; the flange neck has a beveled end that, when flush to pipe, creates a trough for a strong weld. Slip-on weld flanges have no internal stop; slide a pipe through the flange and weld on both sides. Stub-end flanges are also known as lap-joint flanges; use them with a stub-end straight adapter (not included). The stub-end straight adapter slides into the flange and welds to pipe (not the flange). Since the flange isn’t welded to the pipe, it can be disconnected easily for frequent cleaning and inspecting. Cap flanges are also known as blind flanges.

Forged flanges have better strength than cast flanges. 304 stainless steel flanges offer very good corrosion resistance, and 316 stainless steel flanges have excellent corrosion resistance.

For technical drawings and 3-D models, click on a part number.

Inch Butt-Weld Flanges—Forged

Front

Raised Surface on Back

For Use With: Air, Water, Oil, Natural Gas
Pressure Class: 150
Specifications Met: ASTM A182, ASME B16.5
Certification: Material Certificate with Traceable Lot Number and Test Report
Fittings: Use schedule 40 stainless steel
Pipe Nipples and Pipe: Use Schedule 40 stainless steel

				Bolt Hole				304/304L Stainless Steel		316/316L Stainless Steel
Pipe Size	Construction	Flange OD	For Bolt Dia.	Dia.	No. of	Bolt Circle Dia.	Max. Pressure		Each		Each
10	Seamless	16"	7/8"	1"	12	14 1/4"	230 psi @ 72° F	000000000	0000000	000000000	0000000

Inch Slip-On Weld Flanges—Forged

Front

Raised Surface on Back

For Use With: Air, Water, Oil, Natural Gas
Pressure Class: 150
Specifications Met: ASTM A182, ASME B16.5
Certification: Material Certificate with Traceable Lot Number and Test Report
Fittings: Use schedule 40 stainless steel
Pipe Nipples and Pipe: Use Schedule 40 stainless steel

			Bolt Hole				304/304L Stainless Steel		316/316L Stainless Steel
Pipe Size	Flange OD	For Bolt Dia.	Dia.	No. of	Bolt Circle Dia.	Max. Pressure		Each		Each
10	16"	7/8"	1"	12	14 1/4"	230 psi @ 72° F	000000000	0000000	000000000	0000000

Stub-End Flanges—Forged

Flange with Straight Adapter (Front)

Flat Surface on Back

For Use With: Air, Water, Oil, Natural Gas
Pressure Class: 150
Specifications Met: ASTM A182, ASME B16.5
Certification: Material Certificate with Traceable Lot Number and Test Report
Fittings: Use schedule 40 stainless steel
Pipe Nipples and Pipe: Use Schedule 40 stainless steel

Flanges
			Bolt Hole						Thin-Wall Straight Adapters
Pipe Size	Flange OD	For Bolt Dia.	Dia.	No. of	Bolt Circle Dia.	Max. Pressure		Each		Each
304/304L Stainless Steel
10	16"	7/8"	1"	12	14 1/4"	230 psi @ 72° F	000000000	0000000	000000000	0000000
316/316L Stainless Steel
10	16"	7/8"	1"	12	14 1/4"	230 psi @ 72° F	000000000	000000	000000000	000000

Inch Caps—Forged

Front

Raised Surface on Back

For Use With: Air, Water, Oil, Natural Gas
Pressure Class: 150
Specifications Met: ASTM A182, ASME B16.5
Certification: Material Certificate with Traceable Lot Number and Test Report
Fittings: Use schedule 40 stainless steel
Pipe Nipples and Pipe: Use Schedule 40 stainless steel

			Bolt Hole				304/304L Stainless Steel		316/316L Stainless Steel
Pipe Size	Flange OD	For Bolt Dia.	Dia.	No. of	Bolt Circle Dia.	Max. Pressure		Each		Each
10	16"	7/8"	1"	12	14 1/4"	230 psi @ 72° F	000000000	0000000	000000000	0000000

Low-Pressure Steel Unthreaded Pipe Flanges

Bolt two flat-surface flanges or two raised-surface flanges of the same size together with a gasket (sold separately) to create an access point in a pipe line. Flanges are for use with low-pressure applications in noncorrosive environments.

Butt-weld flanges are also known as weld-neck flanges. The flange neck has a beveled end that, when flush to pipe, creates a trough for a strong weld.

Slip-on weld flanges have no internal stop. Slide a pipe through the flange and weld on both sides.

Socket-connect flanges have an internal stop that supports the pipe when welding and prevents the pipe from sliding all the way through.

Cap flanges are also known as blind flanges.

For technical drawings and 3-D models, click on a part number.

Inch Butt-Weld Flanges

Front

Raised Surface on Back

For Use With: Air, Natural Gas, Oil, Steam, Water
Pressure Class: See table
Specifications Met: See table
Certification: See table
Pipe Nipples and Pipe: Use Schedule 40 steel
Fittings: Use Schedule 40 iron or steel

				Bolt Hole
Pipe Size	Wall Thick.	Flange OD	For Bolt Dia.	Dia.	No. of	Bolt Circle Dia.	Pressure Class	Construction	Max. Pressure	Max. Steam Pressure	Certification	Specifications Met		Each
10	0.365"	16"	7/8"	1"	12	14 1/4"	150	Seamless	285 psi @ 72° F	150 psi @ 300° F	Material Certificate with Traceable Lot Number and Test Report	ASME B16.5, ASTM A105, MSS SP-25	00000000	0000000

Inch Slip-On Weld Flanges

Front

Raised Surface on Back

For Use With: Air, Natural Gas, Oil, Steam, Water
Pressure Class: See table
Specifications Met: See table
Certification: See table
Pipe Nipples and Pipe: Use Schedule 40 steel
Fittings: See Table

			Bolt Hole						For Fitting
Pipe Size	Flange OD	For Bolt Dia.	Dia.	No. of	Bolt Circle Dia.	Pressure Class	Max. Pressure	Max. Steam Pressure	Schedule	Material	Certification	Specifications Met		Each
10	16"	7/8"	1"	12	14 1/4"	150	285 psi @ 72° F	150 psi @ 300° F	40	Iron, Steel	Material Certificate with Traceable Lot Number and Test Report	ASME B16.5, ASTM A105, MSS SP-25	00000000	0000000

Socket-Connect Flanges

Front

Raised Surface on Back

For Use With: Air, Natural Gas, Oil, Steam, Water
Pressure Class: 150
Specifications Met: See table
Certification: Material Certificate with Traceable Lot Number and Test Report
Pipe Nipples and Pipe: Use Schedule 40 steel
Fittings: Use Schedule 40 iron or steel

			Bolt Hole
Pipe Size	Flange OD	For Bolt Dia.	Dia.	No. of	Bolt Circle Dia.	Max. Pressure	Max. Steam Pressure	Specifications Met		Each
10	16"	7/8"	1"	12	14 1/4"	285 psi @ 72° F	Not Rated	ASTM A105	00000000	0000000

Stub-End Flanges

Flange with Straight Adapter (Front)

Flat Surface on Back

For Use With: Air, Natural Gas, Oil, Steam, Water
Pressure Class: 150
Specifications Met: MSS SP-25, ASTM A105, ASME B16.5
Certification: Material Certificate with Traceable Lot Number and Test Report
Pipe Nipples and Pipe: Use Schedule 40 steel
Fittings: Use Schedule 40 iron or steel

			Bolt Hole
Pipe Size	Flange OD	For Bolt Dia.	Dia.	No. of	Bolt Circle Dia.	Max. Pressure	Max. Steam Pressure		Each
10	16"	7/8"	1"	12	14 1/4"	285 psi @ 72° F	150 psi @ 300° F	00000000	0000000

Inch Caps

Front

Raised Surface on Back

For Use With: Air, Natural Gas, Oil, Steam, Water
Pressure Class: See table
Specifications Met: See table
Certification: Material Certificate with Traceable Lot Number and Test Report
Pipe Nipples and Pipe: Use Schedule 40 steel
Fittings: Use Schedule 40 iron or steel

			Bolt Hole
Pipe Size	Flange OD	For Bolt Dia.	Dia.	No. of	Bolt Circle Dia.	Pressure Class	Max. Pressure	Max. Steam Pressure	Specifications Met		Each
10	16"	7/8"	1"	12	14 1/4"	150	285 psi @ 72° F	150 psi @ 300° F	ASME B16.5, ASTM A105, MSS SP-25	00000000	0000000

Thick-Wall Plastic Pipe Flanges for Water

For Use With: Drinking Water, Water
Pressure Class: 150
Maximum Temperature: 140° F
Specifications Met: ASTM D1784, NSF/ANSI 61
Pipe Nipples and Pipe: Use Schedule 80 PVC Plastic
Fittings: Use Schedule 80 PVC Plastic

Also known as Pressure Class 150 flanges, these flanges have thick, strong walls to handle heavy duty industrial plumbing and water supply applications, such as water processing, waste water treatment, and irrigation. They meet NSF/ANSI 61 for drinking water. Bolt two same-size flanges together with a gasket (sold separately) to create an access point within a line. All are PVC, which has good corrosion resistance. They meet ASTM D1784 specifications and testing requirements for material quality.

Warning: Never use plastic pipe flanges and pipe with compressed air or gas.

Sealants cannot be sold to Colorado, Connecticut, District of Columbia, Delaware, Illinois, Indiana, Massachusetts, Maryland, Maine, Michigan, New Hampshire, New Jersey, Northern Virginia, New York, Ohio, Pennsylvania, Rhode Island, or Utah due to local VOC (Volatile Organic Compounds) regulations.

For technical drawings and 3-D models, click on a part number.

Fixed Female Socket-Connect Flanges

Front

Back

Attach socket-connect ends to unthreaded pipe or another socket-connect fitting with a PVC primer and cement (also known as solvent weld).

			Bolt Hole
Pipe Size	Flange OD	For Bolt Dia.	Dia.	No. of	Bolt Circle Dia.	Material	Color		Each
10	16"	7/8"	1"	12	14 1/4"	PVC Plastic	Dark Gray	00000000	0000000

Pipe Cement for Pipe Size Greater Than 6

000000000

Each

000000

Rotating Female Socket-Connect Flanges

Front

Raised Surface on Back

Attach socket-connect ends to unthreaded pipe or another socket-connect fitting with a PVC primer and cement (also known as solvent weld).

Rotating flanges are also known as Van Stone flanges; they swivel for easy bolt hole alignment.

			Bolt Hole
Pipe Size	Flange OD	For Bolt Dia.	Dia.	No. of	Bolt Circle Dia.	Material	Color		Each
10	16"	7/8"	1"	12	14 1/4"	PVC Plastic	Dark Gray	00000000	0000000

Pipe Cement for Pipe Size Greater Than 6

000000000

Each

000000

Fixed Cap Flanges

Front

Back

Cap flanges are also known as blind flanges.

			Bolt Hole
Pipe Size	Flange OD	For Bolt Dia.	Dia.	No.	Bolt Circle Dia.	Material	Color		Each
10	16"	7/8"	1"	12	14 1/4"	PVC Plastic	Light Gray	00000000	0000000

Expansion Joints with Flanged Ends

These joints reduce stress, vibration, and noise in piping systems by providing a point of flexibility to absorb movement. The flanged ends rotate for easy bolt hole alignment during installation. They mate with a same-size flat-surface Class 150 flange without the need for a gasket. Joints have a flexible body that is reinforced with nylon for added strength.

For technical drawings and 3-D models, click on a part number.

Neoprene Rubber

For Use With: Nonabrasive Slurry, Water
Temperature Range: -10° to 220° F
Maximum Pressure: 220 psi @ 72° F
Maximum Vacuum: 26 in. of Hg @ 72° F

Threaded Bolt Holes

				Distance
Flange OD	Pipe Size	Lg.	No. of Bolt Holes	Compression	Expansion	Offset	Expansion Joint Type	Flange Material	Bolt Hole Thread Size		Each
16"	10	8"	12	1"	5/8"	3/4"	Single Bulb	Zinc-Plated Steel	7/8"-9	0000000	0000000

Unthreaded Bolt Holes

				Distance
Flange OD	Pipe Size	Lg.	No. of Bolt Holes	Compression	Expansion	Offset	Expansion Joint Type	Flange Material	For Bolt Dia.		Each
16"	10	8"	12	1"	5/8"	3/4"	Single Bulb	Zinc-Plated Steel	1"	0000000	0000000

EPDM Rubber

For Use With: Alcohol, Water
Temperature Range: -20° to 250° F
Maximum Pressure: 220 psi @ 72° F
Maximum Vacuum: 26 in. of Hg @ 72° F

				Distance					Unthreaded Bolt Holes
Flange OD	Pipe Size	Lg.	No. of Bolt Holes	Compression	Expansion	Offset	Expansion Joint Type	Flange Material	For Bolt Dia.		Each
16"	10	8"	12	1"	5/8"	3/4"	Single Bulb	Zinc-Plated Steel	1"	0000000	0000000

High-Temperature All-Metal Expansion Joints with Flanged Ends

For Use With: Air, Natural Gas, Oil, Steam, Water
Temperature Range: -20° to 800° F
Maximum Pressure: 150 psi @ 72° F
Maximum Vacuum: 29 in. of Hg @ 72° F

These all-metal expansion joints can handle higher temperatures than rubber expansion joints. They reduce stress, vibration, and noise in piping systems by providing a point of flexibility to absorb movement. Joints are made of 304 stainless steel for very good corrosion resistance. The flanged ends rotate for easy bolt hole alignment during installation. Flanges mate with a same-size flat-surface Class 150 flange with a gasket (sold separately).

Liners (sold separately) slide into the expansion joint to provide a smooth interior for unrestricted flow.

For technical drawings and 3-D models, click on a part number.

Unthreaded Bolt Holes

Expansion Joints
				Distance								Liners
Flange OD	Pipe Size	Lg.	No. of Bolt Holes	Compression	Expansion	Offset	Expansion Joint Type	Flange Material	Bolt Hole Size		Each		Each
304 Stainless Steel
16"	10	8"	12	1 1/4"	3/8"	1/8"	Bellow	Steel	1"	0000000	000000000	0000000	0000000

Expansion Joints with Flanged Ends for High Vibration

These expansion joints have a double-bulb design for extra movement and vibration absorption. The flanged ends rotate for easy bolt hole alignment during installation. They mate with a same-size flat-surface Class 150 flange without the need for a gasket. Joints have a flexible body that is reinforced with nylon for added strength.

For technical drawings and 3-D models, click on a part number.

Neoprene Rubber

For Use With: Grain Alcohol, Nonabrasive Slurry, Water
Temperature Range: -10° to 220° F
Maximum Pressure: 220 psi @ 72° F
Maximum Vacuum: 26 in. of Hg @ 72° F

Threaded Bolt Holes

				Distance
Flange OD	Pipe Size	Lg.	No. of Bolt Holes	Compression	Expansion	Offset	Expansion Joint Type	Flange Material	Bolt Hole Thread Size		Each
16"	10	13"	12	2 3/8"	1 3/8"	1 3/8"	Double Bulb	Zinc-Plated Steel	7/8"-9	0000000	0000000

Unthreaded Bolt Holes

				Distance
Flange OD	Pipe Size	Lg.	No. of Bolt Holes	Compression	Expansion	Offset	Expansion Joint Type	Flange Material	Bolt Hole Size		Each
16"	10	13"	12	2 3/8"	1 3/8"	1 3/8"	Double Bulb	Zinc-Plated Steel	1"	0000000	0000000

EPDM Rubber

For Use With: Alcohol, Water
Temperature Range: -20° to 250° F
Maximum Pressure: 220 psi @ 72° F
Maximum Vacuum: 26 in. of Hg @ 72° F

				Distance					Unthreaded Bolt Holes
Flange OD	Pipe Size	Lg.	No. of Bolt Holes	Compression	Expansion	Offset	Expansion Joint Type	Flange Material	Bolt Hole Size		Each
16"	10	13"	12	2 3/8"	1 3/8"	1 3/8"	Double Bulb	Zinc-Plated Steel	1"	0000000	0000000