Black Iron (Class 125) Low-Pressure Threaded Pipe Fittings

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	Pipe Size Pipe Size

1/4

3/8

	Type Type


Connector	Cap

Bushing	Reducing Adapter

Reducer	Plug

	Shape Shape


90° Elbow	Tee

Cap/Plug	Straight

45° Elbow

	For Use With For Use With

	Gender Gender

Female

Male

	Maximum Pressure Maximum Pressure

125 psi @ 72° F

150 psi @ 72° F

175 psi @ 72° F

	Drive Style Drive Style


External Square	Square

	Body Shape Body Shape


Hex	Square

	Specifications Met Specifications Met

ANSI/ASME

ASTM

	Length Length

	Hex Width Hex Width

	Plug Construction Plug Construction

Hollow

Solid

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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.

FM-Approved Low-Pressure
Cast Iron Threaded Pipe Fittings

Suitable for use in fire-protection applications, these pipe fittings are brittle and can be quickly opened with the strike of a sledge hammer. They are also known as Class 125 fittings. Use in noncorrosive environments.

Offset straight reducers are also known as eccentric reducers; they connect one pipe to another smaller-diameter pipe and have the centers offset so your line can drain.

Inline tees are also known as branch tees.

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

Bushing Straight Reducing Adapters

For Use With: Air, Steam, Oil, Water, Natural Gas
Class: 125
Specifications Met: ASTM A126, FM Approved, UL Listed, ANSI/ASME B16.4, ANSI/ASME B1.20.1, ANSI/ASME B16.14
Pipe Nipples and Pipe: Use Schedule 40 steel

Pipe Size
(A)	(B)	Max. Pressure	Max. Steam Pressure	Material		Each
NPT Male × NPT Female
1 1/4	3/8	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
1 1/4	1/2	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	0000
1 1/4	3/4	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	0000
1 1/2	3/8	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	0000
1 1/2	1/2	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	0000
1 1/2	3/4	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	0000
1 1/2	1	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	0000
2	1/2	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
2	3/4	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	0000
2	1	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	0000
2	1 1/4	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	0000
2 1/2	1 1/2	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
3	2	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
3	2 1/2	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
4	3	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000

Straight Reducers

For Use With: Air, Steam, Oil, Water, Natural Gas
Class: 125
Specifications Met: FM Approved, UL Listed, ASTM A126, ANSI/ASME B1.20.1, ANSI/ASME B16.4
Pipe Nipples and Pipe: Use Schedule 40 steel

Pipe Size
(A)	(B)	Max. Pressure	Max. Steam Pressure	Material		Each
NPT Female
3/4	1/2	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	000000
1	1/2	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	0000
1	3/4	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	0000
1 1/4	3/4	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	00000
1 1/4	1	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	00000
1 1/2	1	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	00000
1 1/2	1 1/4	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	00000
2	1/2	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	00000
2	3/4	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	00000
2	1	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	00000
2	1 1/4	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	00000
2	1 1/2	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	00000
2 1/2	2	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	00000
3	1 1/2	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	00000
3	2	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	00000

Offset Straight Reducers

For Use With: Air, Steam, Oil, Water, Natural Gas
Class: 125
Specifications Met: UL Listed, FM Approved, ANSI/ASME B1.20.1, ASTM A126
Pipe Nipples and Pipe: Use Schedule 40 steel

Pipe Size
(A)	(B)	Max. Pressure	Max. Steam Pressure	Material		Each
NPT Female
3/4	1/2	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	000000
1	1/2	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	00000
1	3/4	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	00000
1 1/4	1/2	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	00000
1 1/4	3/4	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	00000
1 1/4	1	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	00000
1 1/2	1/2	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	00000
1 1/2	3/4	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	00000
1 1/2	1	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	00000
1 1/2	1 1/4	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	00000
2	1	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	00000
2	1 1/4	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	00000
2	1 1/2	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	00000

90° Elbow Connectors

For Use With: Air, Steam, Oil, Water, Natural Gas
Class: 125
Specifications Met: FM Approved, UL Listed, ASTM A126, ANSI/ASME B1.20.1, ANSI/ASME B16.4
Pipe Nipples and Pipe: Use Schedule 40 steel

NPT Female
Pipe Size	Max. Pressure	Max. Steam Pressure	Material		Each
1/2	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	00000
3/4	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	0000
1	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	0000
1 1/4	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	0000
1 1/2	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	00000
2	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	00000
2 1/2	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	00000
3	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	00000
4	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	000000

45° Elbow Connectors

For Use With: Air, Steam, Oil, Water, Natural Gas
Class: 125
Specifications Met: FM Approved, UL Listed, ASTM A126, ANSI/ASME B1.20.1, ANSI/ASME B16.4
Pipe Nipples and Pipe: Use Schedule 40 steel

NPT Female
Pipe Size	Max. Pressure	Max. Steam Pressure	Material		Each
1/2	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	00000
3/4	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	0000
1	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	0000
1 1/4	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	00000
1 1/2	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	00000
2	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	00000
2 1/2	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	00000
3	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	00000
4	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	000000

Tee Connectors

For Use With: Air, Steam, Oil, Water, Natural Gas
Class: 125
Specifications Met: FM Approved, UL Listed, ASTM A126, ANSI/ASME B1.20.1, ANSI/ASME B16.4
Pipe Nipples and Pipe: Use Schedule 40 steel

NPT Female
Pipe Size	Max. Pressure	Max. Steam Pressure	Material		Each
1/2	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	00000
3/4	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	0000
1	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	0000
1 1/4	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	00000
1 1/2	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	00000
2	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	00000
2 1/2	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	00000
3	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	00000
4	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	000000

Inline Tee Reducers

For Use With: Air, Steam, Oil, Water, Natural Gas
Class: 125
Specifications Met: FM Approved, UL Listed, ASTM A126, ANSI/ASME B1.20.1, ANSI/ASME B16.4
Pipe Nipples and Pipe: Use Schedule 40 steel

Pipe Size
(A)	(B)	Max. Pressure	Max. Steam Pressure	Material		Each
NPT Female
3/4	1/2	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	000000
1	1/2	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	0000
1	3/4	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	00000
1 1/4	1/2	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	00000
1 1/4	3/4	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	00000
1 1/4	1	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	00000
1 1/2	1/2	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	00000
1 1/2	3/4	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	00000
1 1/2	1	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	00000
1 1/2	1 1/4	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	00000
2	1/2	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	00000
2	3/4	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	00000
2	1	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	00000
2	1 1/4	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	00000
2	1 1/2	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	00000000	00000

Low-Pressure Cast Iron Threaded Pipe Fittings

Made of cast iron, these fittings are brittle and can be quickly opened with the strike of a sledge hammer in case of an emergency. They are also known as Class 125 fittings. Use in noncorrosive environments.

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

Bushing Straight Reducing Adapters

For Use With: Air, Steam, Oil, Water, Natural Gas
Class: 125
Specifications Met: ANSI/ASME B16.4, ASTM A126, UL Listed, ANSI/ASME B16.14, ANSI/ASME B1.20.1
Pipe Nipples and Pipe: Use Schedule 40 steel

Pipe Size
(A)	(B)	Max. Pressure	Max. Steam Pressure	Material		Each
NPT Male × NPT Female
1	1/4	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
1	3/8	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	0000
1	1/2	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	0000
1	3/4	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	0000

Caps

For Use With: Air, Steam, Oil, Water, Natural Gas
Class: 125
Specifications Met: ASTM A126, UL Listed, ANSI/ASME B16.4, ANSI/ASME B1.20.1
Pipe Nipples and Pipe: Use Schedule 40 steel

NPT Female
Pipe Size	Max. Pressure	Max. Steam Pressure	Material		Each
3/4	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
1	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	0000
1 1/4	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	0000
1 1/2	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	0000
2	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	0000
2 1/2	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000

Plugs with Square Drive

For Use With: Air, Steam, Oil, Water, Natural Gas
Class: 125
Specifications Met: ANSI/ASME B16.4, ASTM A126, UL Listed, ANSI/ASME B16.14, ANSI/ASME B1.20.1
Pipe Nipples and Pipe: Use Schedule 40 steel

NPT Male
Pipe Size	Plug Construction	Max. Pressure	Max. Steam Pressure	Material		Each
1	Solid	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
1 1/4	Solid	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	0000
1 1/2	Solid	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	0000
2	Solid	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	0000
2 1/2	Solid	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
3	Solid	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
4	Solid	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000

Plugs with External Square Drive

For Use With: Air, Steam, Oil, Water, Natural Gas
Class: 125
Specifications Met: ANSI/ASME B16.4, ASTM A126, UL Listed, ANSI/ASME B16.14, ANSI/ASME B1.20.1
Pipe Nipples and Pipe: Use Schedule 40 steel

NPT Male
Pipe Size	Plug Construction	Max. Pressure	Max. Steam Pressure	Material		Each
1	Hollow	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
1 1/4	Hollow	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	0000
1 1/2	Hollow	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	0000
2	Hollow	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	0000
2 1/2	Hollow	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
3	Hollow	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
4	Hollow	125 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000

Low-Pressure Iron and Steel Threaded Pipe Fittings

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

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

Bushing Straight Reducing Adapters

For Use With: Air, Steam, Oil, Water, Natural Gas
Class: See table
Specifications Met: ANSI/ASME B16.14
Pipe Nipples and Pipe: Use Schedule 40 steel

Pipe Size
(A)	(B)	Class	Max. Pressure	Max. Steam Pressure	Material		Each
NPT Male × NPT Female
3	2	125	150 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	000000
4	3	125	150 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000

Bushing Straight Reducing Adapters with Hex Body

For Use With: Air, Steam, Oil, Water, Natural Gas
Class: See table
Pipe Nipples and Pipe: Use Schedule 40 steel

Pipe Size
(A)	(B)	Class	Max. Pressure	Max. Steam Pressure	Material		Each
NPT Male × NPT Female
1 1/2	1/4	125	175 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	000000
1 1/2	3/8	125	175 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
1 1/2	1/2	125	175 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
2	1/4	125	175 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
2	3/8	125	175 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
2	1/2	125	175 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
2	3/4	125	175 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
2 1/2	1/2	125	175 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
2 1/2	3/4	125	175 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
2 1/2	1	125	175 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
2 1/2	1 1/4	125	175 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
2 1/2	1 1/2	125	175 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
3	1/2	125	175 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
3	3/4	125	175 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
3	1	125	175 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
3	1 1/4	125	175 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
3	1 1/2	125	175 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
3	2	125	175 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
3	2 1/2	125	175 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
3 1/2	1	125	175 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
3 1/2	1 1/4	125	175 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
3 1/2	1 1/2	125	175 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
3 1/2	2	125	175 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
3 1/2	2 1/2	125	175 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
3 1/2	3	125	175 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
4	1	125	175 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
4	1 1/4	125	175 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
4	1 1/2	125	175 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
4	2	125	175 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
4	2 1/2	125	175 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
4	3	125	175 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
6	2	125	175 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
6	2 1/2	125	175 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
6	3	125	175 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
6	4	125	175 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
6	5	125	175 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000

Plugs with Square Drive

For Use With: Air, Steam, Oil, Water, Natural Gas
Class:
Steel: 150
Iron: 125
Pipe Nipples and Pipe: Use Schedule 40 steel

NPT Male
Pipe Size	Plug Construction	Max. Pressure	Max. Steam Pressure	Material		Each
2 1/2	Hollow	175 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	000000
3	Hollow	175 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
3 1/2	Hollow	175 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
4	Hollow	175 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	000000

Plugs with External Square Drive

For Use With:
NPT and BSPT: Air, Natural Gas, Oil, Steam, Water
NPTF: Air, Natural Gas, Steam, Water
Class:
NPT Steel: 125
NPT Iron and BSPT: 150
Specifications Met:
BSPT: DIN EN 10226
Pipe Nipples and Pipe:
NPT and BPST: Use Schedule 40 steel

NPT Male
Pipe Size	Plug Construction	Max. Pressure	Max. Steam Pressure	Material		Each
2 1/2	Hollow	175 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	000000
3	Hollow	175 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
3 1/2	Hollow	175 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000
4	Hollow	175 psi @ 72° F	125 psi @ 350° F	Black-Coated Iron	000000000	00000

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How to Identify and Measure Fittings

FM-Approved Low-PressureCast Iron Threaded Pipe Fittings

Low-Pressure Cast Iron Threaded 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 Iron and Steel Threaded Pipe Fittings

FM-Approved Low-Pressure
Cast Iron Threaded Pipe Fittings

FM-Approved Low-Pressure
Cast Iron Threaded Pipe Fittings