Iron Flanges | McMaster-Carr

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	Pipe Size Pipe Size

3/8
1/2
3/4
1
1 1/4
1 1/2
2
2 1/2
3
4
5
6
8

	Thread Type Thread Type

NPSL

NPT

	Type Type


Flange	Adapter

Connector	Locknut

Reducer

	Material Material	Show

Iron

	Material Material	Hide

Glass-Filled PVC Plastic

	Connection Style Connection Style

Flanged

Threaded

	Flanged Connection Surface Flanged Connection Surface

	Flat

	For Use With For Use With

	Number of Bolt Holes Number of Bolt Holes

	Flange OD Flange OD

	For Pipe Schedule For Pipe Schedule

	40

	Slip-On Framing Component Slip-On Framing Component

	Rail End
	Through-Hole Rail Support
	Through-Hole Connector
	Connector
	Add-On Through-Hole Connector
	Through-Hole Reducer

	For Pipe Material For Pipe Material

Steel

	Connection Type Connection Type

	Pipe

	Rail OD Rail OD

	Bolt Circle Diameter Bolt Circle Diameter

	Shape Shape


Straight	90° Elbow

45° Elbow	Tee

	Finish Finish

Black Coated

Galvanized

	Maximum Pressure Maximum Pressure

125 psi @ 72° F

150 psi @ 72° F

Not Rated

	Specifications Met Specifications Met

ASME

ASTM

Fed. Spec.

	For Bolt Diameter For Bolt Diameter

1/2"

5/8"

3/4"

	Fabrication Fabrication

Cast

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

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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.

Front

Flat Surface on Back

For Use With: Air, Natural Gas, Oil, Steam, Water
Specifications Met:
3/4 Pipe Size: ASME B1.20.1, ASME B16.1, ASTM A126, FM Approved
All other sizes: ASME B1.20.1, ASME B16.1, ASTM A126, FM Approved, UL Listed
Pipe Nipples and Pipe: Use Schedule 40 steel
Fittings: Use Class 125 or 150 iron and steel

Suitable for use in fire-protection applications, these flanges are brittle and can be quickly opened with the strike of a sledge hammer. Bolt two flanges of the same size together with a gasket (sold separately) to create an access point within a line. Use in noncorrosive environments.

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

			Bolt Hole
Pipe Size	Flange OD	For Bolt Dia.	Dia.	No. of	Bolt Circle Dia.	Max. Pressure	Max. Steam Pressure	Material		Each
NPT
3/4	3 7/8"	1/2"	5/8"	4	2 3/4"	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	000000
1	4 1/4"	1/2"	5/8"	4	3 1/8"	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
1 1/4	4 5/8"	1/2"	5/8"	4	3 1/2"	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
1 1/2	5"	1/2"	5/8"	4	3 7/8"	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
2	6"	5/8"	3/4"	4	4 3/4"	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
2 1/2	7"	5/8"	3/4"	4	5 1/2"	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
3	7 1/2"	5/8"	3/4"	4	6"	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
4	9"	5/8"	3/4"	8	7 1/2"	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	000000
5	10"	3/4"	7/8"	8	8 1/2"	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	000000
6	11"	3/4"	7/8"	8	9 1/2"	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	000000
8	13 1/2"	3/4"	7/8"	8	11 3/4"	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	000000

Low-Pressure Galvanized Iron and Steel Threaded Pipe Fittings

The galvanized finish on these fittings provides fair corrosion resistance. Fittings are for use in low-pressure applications.

Locknuts thread onto the male end of a fitting to provide extra holding power so the fitting won’t loosen from vibration.

NPSC (National Pipe Straight Coupling) threads and NPSL (National Pipe Straight Locknut) threads are compatible with NPT threads.

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

Locknut

For Use With: Air, Steam, Oil, Water, Natural Gas
Pressure Class: 150
Specifications Met: ASME B16.14
Pipe Nipples and Pipe: Use Schedule 40 galvanized steel
Flanges: Use Class 150 galvanized steel

NPSL Female
Pipe Size	Material		Each
3/8	Galvanized Iron	00000000	00000
1/2	Galvanized Iron	00000000	0000
3/4	Galvanized Iron	00000000	0000
1	Galvanized Iron	00000000	0000
1 1/4	Galvanized Iron	00000000	0000
1 1/2	Galvanized Iron	00000000	00000
2	Galvanized Iron	00000000	00000

Iron and Steel Pipe Fittings with Flanged Ends

Bolt the flanged end of these fittings to another same-size flange, pump, or valve with a gasket (sold separately) to create an access point in a pipe line. Raised-surface flanged ends only mate with other raised-surface flanged ends, and flat-surface flanged ends only mate with other flat-surface flanged ends. Use in noncorrosive environments.

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

Straight Reducers

For Use With: Air, Natural Gas, Oil, Steam, Water
Specifications Met: FM Approved, UL Listed, ASTM A126, ASTM B307, Fed. Spec. WW-F-406, ASME B16.1, ASME B1.20.1
Pipe Nipples and Pipe: Use Schedule 40 steel
Flanges: Use Class 150 steel

Pipe Size		Flange OD			Bolt Hole		Bolt Circle Dia.
(A)	(B)	(A)	(B)	For Bolt Dia.	Dia.	No. of	(A)	(B)	Max. Pressure	Max. Steam Pressure	Material		Each
2 1/2	2	7"	6"	5/8"	3/4"	4	5 1/2"	4 3/4"	150 psi @ 72° F	125 psi @ 350° F	Iron	0000000	0000000
3	2	7 1/2"	6"	5/8"	3/4"	4	6"	4 3/4"	150 psi @ 72° F	125 psi @ 350° F	Iron	0000000	000000
3	2 1/2	7 1/2"	7"	5/8"	3/4"	4	6"	5 1/2"	150 psi @ 72° F	125 psi @ 350° F	Iron	0000000	000000
4	3	9"	7 1/2"	5/8"	3/4"	8	7 1/2"	6"	150 psi @ 72° F	125 psi @ 350° F	Iron	0000000	000000

90° Elbow Connectors

For Use With: Air, Natural Gas, Oil, Steam, Water
Specifications Met: FM Approved, UL Listed, ASTM A126, ASTM B307, Fed. Spec. WW-F-406, ASME B16.1, ASME B1.20.1
Pipe Nipples and Pipe: Use Schedule 40 steel
Flanges: Use Class 150 steel

			Bolt Hole
Pipe Size	Flange OD	For Bolt Dia.	Dia.	No. of	Bolt Circle Dia.	Max. Pressure	Max. Steam Pressure	Material		Each
2	6"	5/8"	3/4"	4	4 3/4"	150 psi @ 72° F	125 psi @ 350° F	Iron	0000000	0000000
2 1/2	7"	5/8"	3/4"	4	5 1/2"	150 psi @ 72° F	125 psi @ 350° F	Iron	0000000	000000
3	7 1/2"	5/8"	3/4"	4	6"	150 psi @ 72° F	125 psi @ 350° F	Iron	0000000	000000
4	9"	5/8"	3/4"	8	7 1/2"	150 psi @ 72° F	125 psi @ 350° F	Iron	0000000	000000

45° Elbow Connectors

For Use With: Air, Natural Gas, Oil, Steam, Water
Specifications Met: FM Approved, UL Listed, ASTM A126, ASTM B307, Fed. Spec. WW-F-406, ASME B16.1, ASME B1.20.1
Pipe Nipples and Pipe: Use Schedule 40 steel
Flanges: Use Class 150 steel

			Bolt Hole
Pipe Size	Flange OD	For Bolt Dia.	Dia.	No. of	Bolt Circle Dia.	Max. Pressure	Max. Steam Pressure	Material		Each
2	6"	5/8"	3/4"	4	4 3/4"	150 psi @ 72° F	125 psi @ 350° F	Iron	0000000	0000000
2 1/2	7"	5/8"	3/4"	4	5 1/2"	150 psi @ 72° F	125 psi @ 350° F	Iron	0000000	000000
3	7 1/2"	5/8"	3/4"	4	6"	150 psi @ 72° F	125 psi @ 350° F	Iron	0000000	000000
4	9"	5/8"	3/4"	8	7 1/2"	150 psi @ 72° F	125 psi @ 350° F	Iron	0000000	000000

Tee Connectors

For Use With: Air, Natural Gas, Oil, Steam, Water
Specifications Met: FM Approved, UL Listed, ASTM A126, ASTM B307, Fed. Spec. WW-F-406, ASME B16.1, ASME B1.20.1
Pipe Nipples and Pipe: Use Schedule 40 steel
Flanges: Use Class 150 steel

			Bolt Hole
Pipe Size	Flange OD	For Bolt Dia.	Dia.	No. of	Bolt Circle Dia.	Max. Pressure	Max. Steam Pressure	Material		Each
2	6"	5/8"	3/4"	4	4 3/4"	150 psi @ 72° F	125 psi @ 350° F	Iron	0000000	0000000
2 1/2	7"	5/8"	3/4"	4	5 1/2"	150 psi @ 72° F	125 psi @ 350° F	Iron	0000000	000000
3	7 1/2"	5/8"	3/4"	4	6"	150 psi @ 72° F	125 psi @ 350° F	Iron	0000000	000000
4	9"	5/8"	3/4"	8	7 1/2"	150 psi @ 72° F	125 psi @ 350° F	Iron	0000000	000000

Galvanized Iron and Steel Slip-On Framing and Fittings

To provide corrosion resistance in wet environments, this framing is galvanized. Slip the fittings over rails to construct custom railings, guard rails, storage racks, and shelving. Tighten the included set screws for a secure hold.

Galvanized iron fittings are malleable iron.

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

Connectors

90° Elbow

Adjustable-Angle Elbow

Straight

Tee

Three-Way 90° Elbow

Adjustable-angle fittings can be positioned at any angle. Tighten the set screw to secure.

90° Elbow
For Rail OD	Lg.	Material	Includes		Each
1"	__	Galvanized Iron	Set Screws	00000000	000000
1 3/8"	__	Galvanized Iron	Set Screws	0000000	00000
1 5/8"	__	Galvanized Iron	Set Screws	0000000	00000
1 7/8"	__	Galvanized Iron	Set Screws	0000000	00000
2 3/8"	__	Galvanized Iron	Set Screws	0000000	00000
Adjustable-Angle Elbow
1 7/8"	__	Galvanized Iron	Set Screws	00000000	00000
Straight
1"	3"	Galvanized Iron	Set Screws	00000000	00000
1 3/8"	3 1/2"	Galvanized Iron	Set Screws	0000000	00000
1 5/8"	4"	Galvanized Iron	Set Screws	0000000	00000
1 7/8"	4"	Galvanized Iron	Set Screws	0000000	00000
2 3/8"	4 7/8"	Galvanized Iron	Set Screws	0000000	00000
Tee
1"	__	Galvanized Iron	Set Screws	00000000	00000
1 3/8"	__	Galvanized Iron	Set Screws	0000000	00000
1 5/8"	__	Galvanized Iron	Set Screws	0000000	00000
1 7/8"	__	Galvanized Iron	Set Screws	0000000	00000
2 3/8"	__	Galvanized Iron	Set Screws	0000000	00000
Three-Way 90° Elbow
1"	__	Galvanized Iron	Set Screws	00000000	00000
1 3/8"	__	Galvanized Iron	Set Screws	0000000	00000
1 5/8"	__	Galvanized Iron	Set Screws	0000000	00000
1 7/8"	__	Galvanized Iron	Set Screws	0000000	00000
2 3/8"	__	Galvanized Iron	Set Screws	00000000	00000

Through-Hole Connectors

Four-Way 90° Elbow

Four-Way Adjustable-Angle Elbow

Tee

Swivel Tee

Cross

Adjustable-Angle Cross

Five-Way Cross

Six-Way Cross

Crossover with Two Through Holes

45° Wye

Adjustable-Angle Wye

Through-hole fittings allow rails to run all the way through.

Adjustable-angle fittings can be positioned at any angle. Tighten the set screw to secure.

Four-Way 90° Elbow
For Rail OD	No. of Through Holes	Material	Includes		Each
1"	1	Galvanized Iron	Set Screws	00000000	000000
1 3/8"	1	Galvanized Iron	Set Screws	0000000	00000
1 5/8"	1	Galvanized Iron	Set Screws	0000000	00000
1 7/8"	1	Galvanized Iron	Set Screws	0000000	00000
2 3/8"	1	Galvanized Iron	Set Screws	0000000	00000
Four-Way Adjustable-Angle Elbow
1"	1	Galvanized Iron	Set Screws	00000000	00000
1 3/8"	1	Galvanized Iron	Set Screws	0000000	00000
1 5/8"	1	Galvanized Iron	Set Screws	0000000	00000
1 7/8"	1	Galvanized Iron	Set Screws	00000000	00000
2 3/8"	1	Galvanized Iron	Set Screws	00000000	00000
Tee
1"	1	Galvanized Iron	Set Screws	00000000	00000
1 3/8"	1	Galvanized Iron	Set Screws	0000000	00000
1 5/8"	1	Galvanized Iron	Set Screws	0000000	00000
1 7/8"	1	Galvanized Iron	Set Screws	0000000	00000
2 3/8"	1	Galvanized Iron	Set Screws	0000000	00000
Swivel Tee
1 3/8"	1	Galvanized Iron	Set Screws	00000000	00000
1 5/8"	1	Galvanized Iron	Set Screws	00000000	00000
1 7/8"	1	Galvanized Iron	Set Screws	00000000	00000
Cross
1"	1	Galvanized Iron	Set Screws	00000000	00000
1 3/8"	1	Galvanized Iron	Set Screws	0000000	00000
1 5/8"	1	Galvanized Iron	Set Screws	0000000	00000
1 7/8"	1	Galvanized Iron	Set Screws	0000000	00000
2 3/8"	1	Galvanized Iron	Set Screws	0000000	00000
Adjustable-Angle Cross
1"	1	Galvanized Iron	Set Screws	00000000	00000
1 3/8"	1	Galvanized Iron	Set Screws	0000000	00000
1 5/8"	1	Galvanized Iron	Set Screws	0000000	00000
1 7/8"	1	Galvanized Iron	Set Screws	0000000	00000
2 3/8"	1	Galvanized Iron	Set Screws	00000000	000000
Five-Way Cross
1"	1	Galvanized Iron	Set Screws	00000000	00000
1 3/8"	1	Galvanized Iron	Set Screws	0000000	00000
1 5/8"	1	Galvanized Iron	Set Screws	0000000	00000
1 7/8"	1	Galvanized Iron	Set Screws	0000000	00000
2 3/8"	1	Galvanized Iron	Set Screws	0000000	00000
Six-Way Cross
1"	1	Galvanized Iron	Set Screws	00000000	00000
1 3/8"	1	Galvanized Iron	Set Screws	00000000	00000
1 5/8"	1	Galvanized Iron	Set Screws	00000000	00000
1 7/8"	1	Galvanized Iron	Set Screws	00000000	00000
2 3/8"	1	Galvanized Iron	Set Screws	00000000	00000
Crossover
1"	2	Galvanized Iron	Set Screws	00000000	00000
1 3/8"	2	Galvanized Iron	Set Screws	0000000	00000
1 5/8"	2	Galvanized Iron	Set Screws	00000000	00000
1 5/8"	2	Galvanized Iron	Set Screws	0000000	00000
1 7/8"	2	Galvanized Iron	Set Screws	0000000	00000
2 3/8"	2	Galvanized Iron	Set Screws	0000000	00000
45° Wye
1"	1	Galvanized Iron	Set Screws	00000000	00000
1 3/8"	1	Galvanized Iron	Set Screws	00000000	00000
1 5/8"	1	Galvanized Iron	Set Screws	00000000	00000
1 7/8"	1	Galvanized Iron	Set Screws	00000000	00000
Adjustable-Angle Wye
1"	1	Galvanized Iron	Set Screws	00000000	00000
1 3/8"	1	Galvanized Iron	Set Screws	0000000	00000
1 5/8"	1	Galvanized Iron	Set Screws	0000000	00000
1 7/8"	1	Galvanized Iron	Set Screws	0000000	00000
2 3/8"	1	Galvanized Iron	Set Screws	0000000	00000

Add-On Through-Hole Connectors

Wraparound Crossover

Hinged Crossover

Wraparound Tee

Hinged Tee

Add-on through-hole fittings can be added to existing structures without disassembling.

				Wraparound		Hinged
For Rail OD	No. of Through Holes	Material	Includes		Each		Each
Crossover
1"	2	Galvanized Iron	Set Screws	00000000	000000	000000	00
1 3/8"	2	Galvanized Iron	Set Screws	0000000	00000	000000	00
1 5/8"	2	Galvanized Iron	Set Screws	0000000	00000	00000000	000000
1 7/8"	2	Galvanized Iron	Set Screws	0000000	00000	00000000	00000
2 3/8"	2	Galvanized Iron	Set Screws	0000000	00000	000000	00
Tee
1"	1	Galvanized Iron	Set Screws	00000000	00000	000000	00
1 3/8"	1	Galvanized Iron	Set Screws	0000000	00000	000000	00
1 5/8"	1	Galvanized Iron	Set Screws	0000000	00000	00000000	00000
1 7/8"	1	Galvanized Iron	Set Screws	0000000	00000	00000000	00000
2 3/8"	1	Galvanized Iron	Set Screws	0000000	00000	000000	00

Through-Hole Reducers

Tee

Crossover

Through-hole fittings allow rails to run all the way through.

Reducers allow transitions from one rail size to another.

For Rail OD
(A)	(B)	No. of Through Holes	Material	Includes		Each
Tee
1 3/8"	1"	1	Galvanized Iron	Set Screws	00000000	000000
1 5/8"	1 3/8"	1	Galvanized Iron	Set Screws	00000000	00000
1 7/8"	1 5/8"	1	Galvanized Iron	Set Screws	00000000	00000
2 3/8"	1 7/8"	1	Galvanized Iron	Set Screws	00000000	00000
Crossover
1 3/8"	1"	2	Galvanized Iron	Set Screws	00000000	00000
1 5/8"	1 3/8"	2	Galvanized Iron	Set Screws	00000000	00000
1 7/8"	1 5/8"	2	Galvanized Iron	Set Screws	00000000	00000
2 3/8"	1 7/8"	2	Galvanized Iron	Set Screws	00000000	00000

Rail Ends

Rectangular Adjustable-Angle

L-Shaped

Oval

Round

Flush

Offset

Rail ends attach to rails on one end and have a flange on the other end to attach to floors, walls, and ceilings.

	Flange					Mounting Holes
For Rail OD	Lg.	Wd.	Dia.	Overall Ht.	Material	No. of	Dia.	Mounting Fasteners Included	Includes		Each
Rectangular Adjustable-Angle
1"	4 3/8"	2"	__	3 3/4"	Galvanized Iron	__	__	__	Set Screws	00000000	000000
1 3/8"	4 3/8"	2"	__	3 3/4"	Galvanized Iron	__	__	__	Set Screws	0000000	00000
1 5/8"	4 3/8"	2"	__	4 1/8"	Galvanized Iron	__	__	__	Set Screws	0000000	00000
1 7/8"	4 3/8"	2"	__	4 3/8"	Galvanized Iron	__	__	__	Set Screws	0000000	00000
2 3/8"	4 3/8"	2"	__	4 5/8"	Galvanized Iron	__	__	__	Set Screws	00000000	00000
L-Shaped
1 3/8"	5 1/8"	3"	__	3 1/16"	Galvanized Iron	4	7/16"	No	Set Screws	00000000	00000
1 5/8"	5 3/4"	3 1/8"	__	3 9/16"	Galvanized Iron	4	7/16"	No	Set Screws	00000000	00000
1 7/8"	6 3/8"	3 5/8"	__	3 9/16"	Galvanized Iron	4	7/16"	No	Set Screws	00000000	00000
Oval
1"	4 9/16"	2 1/2"	__	3 1/8"	Galvanized Iron	2	7/16"	No	Set Screws	00000000	00000
1 3/8"	5 1/16"	3"	__	3 1/2"	Galvanized Iron	2	9/16"	No	Set Screws	0000000	00000
1 5/8"	5 1/2"	3"	__	3 1/2"	Galvanized Iron	2	9/16"	No	Set Screws	0000000	00000
1 7/8"	6 1/8"	3 3/8"	__	3 1/2"	Galvanized Iron	2	9/16"	No	Set Screws	0000000	00000
2 3/8"	6 1/2"	4"	__	5"	Galvanized Iron	2	11/16"	No	Set Screws	00000000	00000
Round
1"	__	__	3 1/8"	1 9/16"	Galvanized Iron	4	1/4"	No	Set Screws	00000000	00000
1"	__	__	5 1/8"	2 1/2"	Galvanized Iron	4	5/16"	No	Set Screws	00000000	00000
1 3/8"	__	__	3 9/16"	1 15/16"	Galvanized Iron	4	1/4"	No	Set Screws	0000000	00000
1 3/8"	__	__	5 1/2"	2 1/2"	Galvanized Iron	4	5/16"	No	Set Screws	00000000	00000
1 5/8"	__	__	4"	2"	Galvanized Iron	4	1/4"	No	Set Screws	0000000	00000
1 5/8"	__	__	5 7/8"	2 1/2"	Galvanized Iron	4	5/16"	No	Set Screws	00000000	00000
1 7/8"	__	__	4 1/2"	2 5/16"	Galvanized Iron	4	1/4"	No	Set Screws	0000000	00000
1 7/8"	__	__	6 1/8"	2 1/2"	Galvanized Iron	4	5/16"	No	Set Screws	00000000	00000
2 3/8"	__	__	5"	2 1/2"	Galvanized Iron	4	3/8"	No	Set Screws	00000000	00000
Flush
1 3/8"	3 3/4"	4 1/8"	__	2"	Galvanized Iron	3	7/16"	No	Set Screws	00000000	00000
1 5/8"	4 1/4"	4 1/4"	__	2 1/4"	Galvanized Iron	3	7/16"	No	Set Screws	00000000	00000
1 7/8"	4 3/8"	4 5/8"	__	2 1/2"	Galvanized Iron	3	7/16"	No	Set Screws	00000000	00000
Offset
1 3/8"	3 3/4"	1 3/4"	__	5 5/16"	Galvanized Iron	2	9/16"	No	Set Screws	0000000	00000
1 5/8"	4 1/4"	2"	__	5 5/8"	Galvanized Iron	2	9/16"	No	Set Screws	0000000	00000
1 7/8"	4 3/4"	2 1/4"	__	5 3/4"	Galvanized Iron	2	9/16"	No	Set Screws	0000000	00000

Through-Hole Rail Supports

Through-hole fittings allow rails to run all the way through.

Rail supports secure long runs of railing.

	Flange				Mounting Holes
For Rail OD	Lg.	Wd.	Overall Ht.	Material	No. of	Dia.	Mounting Fasteners Included	Includes		Each
Offset
1"	3"	1 7/8"	2 7/8"	Galvanized Iron	2	5/16"	No	Set Screws	00000000	000000
1 3/8"	3 7/16"	1 3/4"	3 1/4"	Galvanized Iron	2	5/16"	No	Set Screws	00000000	00000
1 5/8"	4"	1 3/4"	3 5/8"	Galvanized Iron	2	5/16"	No	Set Screws	00000000	00000
1 7/8"	4 1/4"	1 7/8"	4"	Galvanized Iron	2	5/16"	No	Set Screws	00000000	00000

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How to Identify and Measure Fittings

FM-Approved Low-Pressure Cast Iron Threaded Pipe Flanges

Low-Pressure Galvanized Iron and Steel Threaded Pipe Fittings

Iron and Steel Pipe Fittings with Flanged Ends

Galvanized Iron and Steel Slip-On Framing and Fittings