Aluminum (Class 125) Threaded Pipe Flanges

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	Pressure Class Pressure Class	Show

125

	Pressure Class Pressure Class	Hide

125
150
200
250
300
600
1000
1500
3000
6000
Not Rated

	Material Material

	Connection Style Connection Style

	Pipe Size Pipe Size

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

	Thread Type Thread Type

BSPT

NPT

	Type Type


Flange	Adapter

Reducing Adapter	Cap

Connector	Reducer

Bushing	Union

	Flanged Connection Surface Flanged Connection Surface

	Flat

	Shape Shape


Straight	Cap/Plug

90° Elbow	Tee

45° Elbow	Cross

Wye

	System of Measurement System of Measurement

Inch

	Flange OD Flange OD

	For Pipe Material For Pipe Material

Steel

Aluminum

Brass

	For Use With For Use With

	For Pipe Schedule For Pipe Schedule

	40

	Number of Bolt Holes Number of Bolt Holes

	Connection Type Connection Type

	Pipe

	Maximum Pressure Maximum Pressure

	Bolt Circle Diameter Bolt Circle Diameter

	Gender Gender

Female

Male

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	Specifications Met Specifications Met

ASME

ASTM

NSF/ANSI

	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

	For Bolt Diameter For Bolt Diameter

1/2"

5/8"

3/4"

	Bolt Hole Diameter Bolt Hole Diameter

779 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.

Low-Pressure Iron and Steel Threaded Pipe Fittings

Use these fittings for low-pressure applications in noncorrosive environments.

FM-Approved Low-Pressure
Cast Iron Threaded Pipe Fittings

Low-Pressure Cast Iron Threaded Pipe Fittings

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.

Low-Pressure Aluminum Threaded Pipe Flanges

Also known as Pressure Class 125 flanges, these are for use in low-pressure applications. Flanges are aluminum, which is lightweight with good corrosion resistance.

Aluminum Unthreaded Pipe Flanges

Use these unthreaded flanges in low-pressure applications. Also known as Pressure Class 125 flanges.

Low-Pressure Brass and Bronze Threaded Pipe Fittings

Use these fittings in low-pressure flow applications. They have good corrosion resistance.

Low-Pressure Brass Threaded
Pipe Fittings with Sealant

The male threads on these brass fittings have a sealant applied for extra protection against leaks. Also known as Pressure Class 125 fittings, they are built for use in low-pressure applications.

Low-Pressure Plated Brass Threaded Pipe Fittings

Used in low-pressure pipe lines, these brass fittings have a plating that makes them shiny and improves corrosion resistance.

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How to Identify and Measure Fittings

Metal Pipe and Pipe Fittings

Low-Pressure Iron and Steel Threaded Pipe Fittings

FM-Approved Low-Pressure
Cast Iron Threaded Pipe Fittings

Low-Pressure Cast Iron Threaded Pipe Fittings

Low-Pressure Galvanized Iron
and Steel Threaded Pipe Fittings

Low-Pressure Aluminum Threaded Pipe Flanges

Aluminum Unthreaded Pipe Flanges

Low-Pressure Brass and Bronze Threaded Pipe Fittings

Low-Pressure Brass Threaded
Pipe Fittings with Sealant

Low-Pressure Plated Brass Threaded Pipe Fittings

How to Identify and Measure Fittings

Metal Pipe and Pipe Fittings

Low-Pressure Iron and Steel Threaded Pipe Fittings

FM-Approved Low-PressureCast Iron Threaded Pipe Fittings

Low-Pressure Cast Iron Threaded Pipe Fittings

Low-Pressure Galvanized Ironand Steel Threaded Pipe Fittings

Low-Pressure Aluminum Threaded Pipe Flanges

Aluminum Unthreaded Pipe Flanges

Low-Pressure Brass and Bronze Threaded Pipe Fittings

Low-Pressure Brass ThreadedPipe Fittings with Sealant

Low-Pressure Plated Brass Threaded Pipe Fittings

FM-Approved Low-Pressure
Cast Iron Threaded Pipe Fittings

Low-Pressure Galvanized Iron
and Steel Threaded Pipe Fittings

Low-Pressure Brass Threaded
Pipe Fittings with Sealant