Iron Class 300 Threaded Pipe Fittings

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256 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.

Medium-Pressure Iron and Steel Threaded Pipe Fittings

With better strength than our low-pressure iron and steel pipe fittings, these can handle medium-pressure applications. They are for use in noncorrosive environments.

Union connectors separate into three pieces so you can access your line without unthreading pipe connections.

Female x male 90° elbow adapters are also known as street elbows.

Inline tees are also known as branch tees.

Straight Connectors

For Use With: Air, Steam, Oil, Water, Natural Gas
Pressure Class : 300
Specifications Met: ASTM A197, UL Listed, ASME B16.3, ASME B1.20.1
Pipe Nipples and Pipe: Use Schedule 80 steel
Flanges: Use Class 300 or 600 steel

NPT Female
Pipe Size	Max. Pressure	Max. Steam Pressure	Material		Each
1/4	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	000000
3/8	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1/2	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
3/4	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1 1/4	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1 1/2	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
2	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
2 1/2	1,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
3	1,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	000000

Union Straight Connectors

Exploded View

For Use With: Air, Steam, Oil, Water, Natural Gas
Pressure Class : 300
Specifications Met: ASTM A197, UL Listed, ASME B16.39, ASME B1.20.1
Pipe Nipples and Pipe: Use Schedule 80 steel
Flanges: Use Class 300 or 600 steel

NPT Female
Pipe Size	Max. Pressure	Max. Steam Pressure	Material		Each
1/8	600 psi @ 72° F	230 psi @ 550° F	Iron	00000000	000000
1/4	600 psi @ 72° F	230 psi @ 550° F	Iron	00000000	00000
3/8	600 psi @ 72° F	230 psi @ 550° F	Iron	00000000	00000
1/2	600 psi @ 72° F	230 psi @ 550° F	Iron	00000000	00000
3/4	600 psi @ 72° F	230 psi @ 550° F	Iron	00000000	00000
1	600 psi @ 72° F	230 psi @ 550° F	Iron	00000000	00000
1 1/4	600 psi @ 72° F	230 psi @ 550° F	Iron	00000000	00000
1 1/2	600 psi @ 72° F	230 psi @ 550° F	Iron	00000000	00000
2	600 psi @ 72° F	230 psi @ 550° F	Iron	00000000	00000
2 1/2	600 psi @ 72° F	230 psi @ 550° F	Iron	00000000	000000
3	600 psi @ 72° F	230 psi @ 550° F	Iron	00000000	000000

Straight Reducers

For Use With: Air, Steam, Oil, Water, Natural Gas
Pressure Class : 300
Specifications Met: ASTM A197, UL Listed, ASME B16.3, ASME B1.20.1
Pipe Nipples and Pipe: Use Schedule 80 steel
Flanges: Use Class 300 or 600 steel

Pipe Size
(A)	(B)	Max. Pressure	Max. Steam Pressure	Material		Each
NPT Female
3/8	1/4	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	000000
1/2	1/4	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1/2	3/8	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
3/4	1/4	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
3/4	3/8	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
3/4	1/2	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1	1/4	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1	3/8	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1	1/2	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1	3/4	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1 1/4	1/2	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1 1/4	3/4	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1 1/4	1	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1 1/2	1/2	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1 1/2	3/4	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1 1/2	1	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1 1/2	1 1/4	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
2	1/2	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
2	3/4	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
2	1	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
2	1 1/4	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
2	1 1/2	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
2 1/2	1 1/2	1,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	000000
2 1/2	2	1,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	000000
3	1 1/2	1,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	000000
3	2	1,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	000000
3	2 1/2	1,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	000000

90° Elbow Connectors

For Use With: Air, Steam, Oil, Water, Natural Gas
Pressure Class : 300
Specifications Met: ASTM A197, UL Listed, ASME B16.3, ASME B1.20.1
Pipe Nipples and Pipe: Use Schedule 80 steel
Flanges: Use Class 300 or 600 steel

NPT Female
Pipe Size	Max. Pressure	Max. Steam Pressure	Material		Each
1/4	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	000000
3/8	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1/2	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
3/4	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1 1/4	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1 1/2	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
2	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
2 1/2	1,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	000000
3	1,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	000000

Union 90° Elbow Connectors

Exploded View

For Use With: Air, Steam, Oil, Water, Natural Gas
Pressure Class : 300
Specifications Met: ASTM A197, UL Listed, ASME B16.39, ASME B1.20.1
Pipe Nipples and Pipe: Use Schedule 80 steel
Flanges: Use Class 300 or 600 steel

NPT Female
Pipe Size	Max. Pressure	Max. Steam Pressure	Material		Each
3/8	600 psi @ 72° F	230 psi @ 550° F	Iron	00000000	0000000
1/2	600 psi @ 72° F	230 psi @ 550° F	Iron	00000000	00000
3/4	600 psi @ 72° F	230 psi @ 550° F	Iron	00000000	00000
1	600 psi @ 72° F	230 psi @ 550° F	Iron	00000000	000000

90° Elbow Adapters

For Use With: Air, Steam, Oil, Water, Natural Gas
Pressure Class : 300
Specifications Met: ASTM A197, UL Listed, ASME B16.3, ASME B1.20.1
Pipe Nipples and Pipe: Use Schedule 80 steel
Flanges: Use Class 300 or 600 steel

NPT Female × NPT Male
Pipe Size	Max. Pressure	Max. Steam Pressure	Material		Each
1/4	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	000000
3/8	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1/2	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
3/4	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1 1/4	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1 1/2	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
2	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
3	1,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	000000

90° Elbow Reducers

For Use With: Air, Steam, Oil, Water, Natural Gas
Pressure Class : 300
Specifications Met: ASTM A197, UL Listed, ASME B16.3, ASME B1.20.1
Pipe Nipples and Pipe: Use Schedule 80 steel
Flanges: Use Class 300 or 600 steel

Pipe Size
(A)	(B)	Max. Pressure	Max. Steam Pressure	Material		Each
NPT Female
3/8	1/4	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	000000
1/2	3/8	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
3/4	1/2	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1	1/2	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1	3/4	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1 1/4	3/4	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1 1/4	1	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1 1/2	1	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1 1/2	1 1/4	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
2	1 1/4	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	000000
2	1 1/2	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	000000

45° Elbow Connectors

For Use With: Air, Steam, Oil, Water, Natural Gas
Pressure Class : 300
Specifications Met: ASTM A197, UL Listed, ASME B16.3, ASME B1.20.1
Pipe Nipples and Pipe: Use Schedule 80 steel
Flanges: Use Class 300 or 600 steel

NPT Female
Pipe Size	Max. Pressure	Max. Steam Pressure	Material		Each
1/4	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	000000
3/8	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1/2	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
3/4	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1 1/4	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1 1/2	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
2	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
2 1/2	1,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	000000
3	1,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	000000

45° Elbow Adapters

For Use With: Air, Steam, Oil, Water, Natural Gas
Pressure Class : 300
Specifications Met: ASTM A197, UL Listed, ASME B16.3, ASME B1.20.1
Pipe Nipples and Pipe: Use Schedule 80 steel
Flanges: Use Class 300 or 600 steel

NPT Female × NPT Male
Pipe Size	Max. Pressure	Max. Steam Pressure	Material		Each
1/2	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	000000
3/4	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1 1/4	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1 1/2	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
2	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	000000

Tee Connectors

For Use With: Air, Steam, Oil, Water, Natural Gas
Pressure Class : 300
Specifications Met: ASTM A197, UL Listed, ASME B16.3, ASME B1.20.1
Pipe Nipples and Pipe: Use Schedule 80 steel
Flanges: Use Class 300 or 600 steel

NPT Female
Pipe Size	Max. Pressure	Max. Steam Pressure	Material		Each
1/4	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	000000
3/8	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1/2	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
3/4	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1 1/4	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1 1/2	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
2	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
2 1/2	1,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	000000
3	1,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	000000

Inline Tee Reducers

For Use With: Air, Steam, Oil, Water, Natural Gas
Pressure Class : 300
Specifications Met: ASTM A197, UL Listed, ASME B16.3, ASME B1.20.1
Pipe Nipples and Pipe: Use Schedule 80 steel
Flanges: Use Class 300 or 600 steel

Pipe Size
(A)	(B)	Max. Pressure	Max. Steam Pressure	Material		Each
NPT Female
3/8	1/4	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	000000
1/2	1/4	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1/2	3/8	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1/2	3/4	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
3/4	1/4	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
3/4	3/8	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
3/4	1/2	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1	1/4	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1	1/2	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1	3/4	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1 1/4	1/2	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1 1/4	3/4	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1 1/2	1/2	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1 1/2	3/4	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1 1/2	1	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1 1/2	1 1/4	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
2	1/2	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	000000
2	3/4	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	000000
2	1	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	000000
2	1 1/4	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	000000
2	1 1/2	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	000000
2 1/2	1 1/2	1,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	000000

Cross Connectors

For Use With: Air, Steam, Oil, Water, Natural Gas
Pressure Class : 300
Specifications Met: ASTM A197, UL Listed, ASME B16.3, ASME B1.20.1
Pipe Nipples and Pipe: Use Schedule 80 steel
Flanges: Use Class 300 or 600 steel

NPT Female
Pipe Size	Max. Pressure	Max. Steam Pressure	Material		Each
1/4	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	000000
1/2	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
3/4	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1 1/4	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	000000
1 1/2	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	000000
2	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	000000

Caps

For Use With: Air, Steam, Oil, Water, Natural Gas
Pressure Class : 300
Specifications Met: ASTM A197, UL Listed, ASME B16.3, ASME B1.20.1
Pipe Nipples and Pipe: Use Schedule 80 steel
Flanges: Use Class 300 or 600 steel

NPT Female
Pipe Size	Max. Pressure	Max. Steam Pressure	Material		Each
1/4	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	000000
3/8	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1/2	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
3/4	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1	2,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1 1/4	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
1 1/2	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
2	1,500 psi @ 72° F	300 psi @ 550° F	Iron	00000000	00000
2 1/2	1,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	000000
3	1,000 psi @ 72° F	300 psi @ 550° F	Iron	00000000	000000

Plugs with External Square Drive

For Use With: Air, Steam, Oil, Water, Natural Gas
Pressure Class : 300
Specifications Met: See Table
Pipe Nipples and Pipe: Use Schedule 80 steel
Flanges: Use Class 300 steel

NPT Male
Pipe Size	Plug Construction	Max. Pressure	Max. Steam Pressure	Material	Specifications Met		Each
1/2	Solid	400 psi @ 72° F	300 psi @ 550° F	Iron	ASME B1.20.1, ASME B16.14, ASTM A126, UL Listed	00000000	00000
3/4	Solid	400 psi @ 72° F	300 psi @ 550° F	Iron	ASME B1.20.1, ASME B16.14, ASTM A126, UL Listed	00000000	0000
1	Solid	400 psi @ 72° F	300 psi @ 550° F	Iron	ASME B1.20.1, ASME B16.14, ASTM A126, UL Listed	00000000	0000
1 1/4	Solid	400 psi @ 72° F	300 psi @ 550° F	Iron	ASME B1.20.1, ASME B16.14, ASTM A126, UL Listed	00000000	00000
1 1/2	Solid	400 psi @ 72° F	300 psi @ 550° F	Iron	ASME B1.20.1, ASME B16.14, ASTM A126, UL Listed	00000000	00000
2	Solid	400 psi @ 72° F	300 psi @ 550° F	Iron	ASME B1.20.1, ASME B16.14, ASTM A126, UL Listed	00000000	00000
2 1/2	Solid	400 psi @ 72° F	300 psi @ 550° F	Iron	ASME B1.20.1, ASME B16.14, ASTM A126, UL Listed	00000000	00000

Medium-Pressure Galvanized Iron and Steel Threaded Pipe Fittings

A galvanized finish gives these fittings fair corrosion resistance. They have the strength to handle medium-pressure applications.

Union connectors separate into three pieces so you can access your line without unthreading pipe connections.

Female x male 90° elbow adapters are also known as street elbows.

Inline tees are also known as branch tees.

Straight Connectors

For Use With: Air, Natural Gas, Steam, Water
Pressure Class : 300
Specifications Met: ASTM A153, ASTM A197, ASME B16.3, ASME B1.20.1
Pipe Nipples and Pipe: Use Schedule 80 steel
Flanges: Use Class 300 steel

NPT Female
Pipe Size	Max. Pressure	Max. Steam Pressure	Material		Each
1/4	2,000 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	000000
3/8	2,000 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	00000
1/2	2,000 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	00000
3/4	2,000 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	00000
1	2,000 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	00000
1 1/4	1,500 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	00000
1 1/2	1,500 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	00000
2	1,500 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	00000

Union Straight Connectors

Exploded View

For Use With: Air, Natural Gas, Steam, Water
Pressure Class : 300
Specifications Met: FM Approved, UL Listed, ASTM A197, ASTM A153, ASME B1.20.1, ASME B16.39
Pipe Nipples and Pipe: Use Schedule 80 steel
Flanges: Use Class 300 steel

NPT Female
Pipe Size	Max. Pressure	Max. Steam Pressure	Material		Each
1/4	600 psi @ 72° F	230 psi @ 550° F	Galvanized Iron	0000000	000000
3/8	600 psi @ 72° F	230 psi @ 550° F	Galvanized Iron	0000000	00000
1/2	600 psi @ 72° F	230 psi @ 550° F	Galvanized Iron	0000000	00000
3/4	600 psi @ 72° F	230 psi @ 550° F	Galvanized Iron	0000000	00000
1	600 psi @ 72° F	230 psi @ 550° F	Galvanized Iron	0000000	00000
1 1/4	600 psi @ 72° F	230 psi @ 550° F	Galvanized Iron	0000000	00000
1 1/2	600 psi @ 72° F	230 psi @ 550° F	Galvanized Iron	0000000	000000
2	600 psi @ 72° F	230 psi @ 550° F	Galvanized Iron	000000	000000

Straight Reducers

For Use With: Air, Natural Gas, Steam, Water
Pressure Class : 300
Specifications Met: ASTM A153, ASTM A197, ASME B16.3, ASME B1.20.1
Pipe Nipples and Pipe: Use Schedule 80 steel
Flanges: Use Class 300 steel

Pipe Size
(A)	(B)	Max. Pressure	Max. Steam Pressure	Material		Each
NPT Female
3/8	1/4	2,000 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	000000
1/2	1/4	2,000 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	00000
1/2	3/8	2,000 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	000000	00000
3/4	1/2	2,000 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	00000
1	1/2	2,000 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	00000
1	3/4	2,000 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	00000
1 1/4	1	1,500 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	00000
1 1/2	3/4	1,500 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	00000000	00000
1 1/2	1	1,500 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	00000000	00000
1 1/2	1 1/4	1,500 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	00000000	00000
2	3/4	1,500 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	00000000	000000
2	1	1,500 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	00000000	000000
2	1 1/2	1,500 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	00000000	000000

90° Elbow Connectors

For Use With: Air, Natural Gas, Steam, Water
Pressure Class : 300
Pipe Nipples and Pipe: Use Schedule 80 steel
Flanges: Use Class 300 steel

NPT Female
Pipe Size	Max. Pressure	Max. Steam Pressure	Material		Each
1/4	2,000 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	000000	000000
3/8	2,000 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	00000
1/2	2,000 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	00000
3/4	2,000 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	00000
1	2,000 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	00000
1 1/4	1,500 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	00000
1 1/2	1,500 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	00000
2	1,500 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	000000

90° Elbow Adapters

For Use With: Air, Natural Gas, Steam, Water
Pressure Class : 300
Specifications Met: ASTM A153, ASTM A197, ASME B16.3, ASME B1.20.1
Pipe Nipples and Pipe: Use Schedule 80 steel
Flanges: Use Class 300 steel

NPT Female × NPT Male
Pipe Size	Max. Pressure	Max. Steam Pressure	Material		Each
1/4	2,000 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	000000
3/8	2,000 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	00000
1/2	2,000 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	000000	00000
3/4	2,000 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	00000
1	2,000 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	00000
1 1/4	1,500 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	000000
1 1/2	1,500 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	000000

90° Elbow Reducers

For Use With: Air, Natural Gas, Steam, Water
Pressure Class : 300
Specifications Met: ASTM A153, ASTM A197, ASME B16.3, ASME B1.20.1
Pipe Nipples and Pipe: Use Schedule 80 steel
Flanges: Use Class 300 steel

Pipe Size
(A)	(B)	Max. Pressure	Max. Steam Pressure	Material		Each
NPT Female
3/4	1/2	2,000 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	000000
1	1/2	2,000 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	00000

45° Elbow Connectors

Pressure Class : 300
Specifications Met: ASTM A153, ASTM A197, ASME B16.3, ASME B1.20.1
Pipe Nipples and Pipe: Use Schedule 80 steel
Flanges: Use Class 300 steel

NPT Female
Pipe Size	Max. Pressure	Max. Steam Pressure	Material		Each
1/4	2,000 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	000000
1/2	2,000 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	00000
3/4	2,000 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	00000
1	2,000 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	000000	00000
1 1/2	1,500 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	000000
2	1,500 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	000000

Tee Connectors

For Use With: Air, Natural Gas, Steam, Water
Pressure Class : 300
Specifications Met: ASTM A153, ASTM A197, ASME B16.3, ASME B1.20.1
Pipe Nipples and Pipe: Use Schedule 80 steel
Flanges: Use Class 300 steel

NPT Female
Pipe Size	Max. Pressure	Max. Steam Pressure	Material		Each
1/4	2,000 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	000000
3/8	2,000 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	00000
1/2	2,000 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	00000
3/4	2,000 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	00000
1	2,000 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	00000
1 1/4	1,500 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	00000
1 1/2	1,500 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	000000	000000
2	1,500 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	000000

Inline Tee Reducers

For Use With: Air, Natural Gas, Steam, Water
Pressure Class : 300
Specifications Met: ASTM A153, ASTM A197, ASME B16.3, ASME B1.20.1
Pipe Nipples and Pipe: Use Schedule 80 steel
Flanges: Use Class 300 steel

Pipe Size
(A)	(B)	Max. Pressure	Max. Steam Pressure	Material		Each
NPT Female
3/4	1/2	2,000 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	000000
1	1/2	2,000 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	00000
1 1/4	1/2	1,500 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	000000
1 1/4	3/4	1,500 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	000000
1 1/4	1	1,500 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	000000
1 1/2	1/2	1,500 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	000000	000000
1 1/2	3/4	1,500 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	000000
1 1/2	1	1,500 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	000000
2	1/2	1,500 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	000000
2	3/4	1,500 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	000000
2	1	1,500 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	000000
2	1 1/2	1,500 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	000000

Caps

For Use With: Air, Natural Gas, Steam, Water
Pressure Class : 300
Specifications Met: ASTM A153, ASTM A197, ASME B16.3, ASME B1.20.1
Pipe Nipples and Pipe: Use Schedule 80 steel
Flanges: Use Class 300 steel

NPT Female
Pipe Size	Max. Pressure	Max. Steam Pressure	Material		Each
1/4	2,000 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	000000
3/8	2,000 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	000000	00000
1/2	2,000 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	00000
3/4	2,000 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	00000
1	2,000 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	00000
1 1/4	1,500 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	00000
1 1/2	1,500 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	00000
2	1,500 psi @ 72° F	300 psi @ 550° F	Galvanized Iron	0000000	000000

Thick-Wall Galvanized Iron and Steel Threaded Pipe Nipples and Pipe

Made of galvanized iron or steel, this pipe has fair corrosion resistance. It has thick, Schedule 80 walls for good strength in medium-pressure applications.

Seamless pipe has a smooth interior for unrestricted flow and is stronger than welded pipe.

Straight reducers are also known as swage nipples.

Reducers, Threaded on Both Ends

Reducer

For Use With: Air, Natural Gas, Nitrogen Gas, Oil, Steam, Water
Specifications Met: ASTM B633, ASTM A234, MSS SP-95, ASME B1.20.1
Fittings: Use Class 300 iron or steel
Flanges: Use Class 300 steel

Pipe Size
(A)	(B)	Lg.	Thread Type	Construction	Material		Each
3/4	1/8	3"	NPT	Seamless	Galvanized Iron	00000000	000000
2	1/4	6 1/2"	NPT	Seamless	Galvanized Iron	00000000	000000
2 1/2	3/4	7"	NPT	Seamless	Galvanized Iron	00000000	000000
2 1/2	1	7"	NPT	Seamless	Galvanized Iron	00000000	000000
2 1/2	1 1/4	7"	NPT	Seamless	Galvanized Iron	00000000	000000
2 1/2	1 1/2	7"	NPT	Seamless	Galvanized Iron	00000000	000000
2 1/2	2	7"	NPT	Seamless	Galvanized Iron	00000000	000000
3	1/2	8"	NPT	Seamless	Galvanized Iron	00000000	000000
3	3/4	8"	NPT	Seamless	Galvanized Iron	00000000	000000
3	1	8"	NPT	Seamless	Galvanized Iron	00000000	000000
3	1 1/4	8"	NPT	Seamless	Galvanized Iron	00000000	000000
3	1 1/2	8"	NPT	Seamless	Galvanized Iron	00000000	000000
3	2	8"	NPT	Seamless	Galvanized Iron	00000000	000000
3	2 1/2	8"	NPT	Seamless	Galvanized Iron	00000000	000000
4	1/2	9"	NPT	Seamless	Galvanized Iron	00000000	000000
4	3/4	9"	NPT	Seamless	Galvanized Iron	00000000	000000
4	1	9"	NPT	Seamless	Galvanized Iron	00000000	000000
4	1 1/4	9"	NPT	Seamless	Galvanized Iron	00000000	000000
4	1 1/2	9"	NPT	Seamless	Galvanized Iron	00000000	000000
4	2	9"	NPT	Seamless	Galvanized Iron	00000000	000000
4	2 1/2	9"	NPT	Seamless	Galvanized Iron	00000000	000000
4	3	9"	NPT	Seamless	Galvanized Iron	00000000	000000